All Stories

  1. Towards thick layer formation and microstructural evolution in multi-layer friction surfacing of AA2011 alloy

    Article • Materials Science and Engineering A, January 2026, Elsevier

    Prof. Livan Fratini

  2. Cost and Environmental Impact Savings Enabled by Industrial Symbiosis Implementation

    Article • January 2026, Springer Science + Business Media

    Prof. Livan Fratini

  3. Efficient virtual element modeling of the bending failure in BCC lattice sandwich panels manufactured by L-PBF

    Article • International Journal of Solids and Structures, July 2025, Elsevier

    Prof Alberto Milazzo, Prof. Livan Fratini

  4. Life Cycle Assessment of a steel component produced from electric arc furnace

    Article • CIRP Journal of Manufacturing Science and Technology, July 2025, Elsevier

    Prof. Livan Fratini

  5. Exploring the feasibility of a closed-loop industrial symbiosis link through Friction Stir Extrusion-based Additive Manufacturing

    Article • CIRP Annals, January 2025, Elsevier

    Prof. Livan Fratini

  6. Analysis of continuous magnetic field-assisted double-sided incremental forming

    Article • CIRP Journal of Manufacturing Science and Technology, December 2024, Elsevier

    Prof. Livan Fratini

  7. Effect of process parameters on the mechanical properties of wires produced from A356 aluminum alloy chips by Continuous Friction Stir Extrusion: Experiments and numerical simulation

    Article • CIRP Journal of Manufacturing Science and Technology, November 2024, Elsevier

    Prof. Livan Fratini

  8. Unveiling the mechanical and microstructural properties of SiC reinforced aluminum wires recycled from scraps by friction stir extrusion

    Article • Materials Science and Engineering A, November 2024, Elsevier

    Prof. Livan Fratini

  9. Defining a new process window for LPBF of Ti-6Al-4V based on micro-warping phenomena

    Article • CIRP Journal of Manufacturing Science and Technology, September 2024, Elsevier

    Prof. Livan Fratini

  10. Solid bonding criteria design for aluminum chips recycling through Friction Stir Consolidation

    Article • Journal of Materials Processing Technology, October 2023, Elsevier

    Prof. Livan Fratini

  11. Life Cycle Assessment of aluminum alloys chips recycling through single and multi-step Friction Stir Consolidation processes

    Article • Journal of Manufacturing Systems, June 2023, Elsevier

    Prof. Livan Fratini

  12. Characterization of friction stir consolidated recycled billet by uniaxial compression tests with miniaturized cylindrical specimen

    Article • April 2023, Materials Research Forum, LLC

    Prof. Livan Fratini

  13. FSW process mechanics and resulting properties for dissimilar Al-Ti T-joints

    Article • April 2023, Materials Research Forum, LLC

    Prof. Livan Fratini

  14. Process parameters and surface treatment effects on the mechanical and corrosion resistance properties of Ti6Al4V components produced by laser powder bed fusion

    Article • Progress in Additive Manufacturing, April 2023, Springer Science + Business Media

    Prof. Livan Fratini

  15. Design and development of a new machine tool for continuous friction stir extrusion

    Article • CIRP Journal of Manufacturing Science and Technology, April 2023, Elsevier

    Prof. Livan Fratini

  16. Influence of distinct tool pin geometries on aluminum 8090 FSW joint properties

    Article • March 2023, Materials Research Forum, LLC

    Prof. Livan Fratini

  17. Optimization of the sheet hydroforming process parameters to improve the quality of reshaped EoL components

    Article • March 2023, Materials Research Forum, LLC

    Prof. Livan Fratini

  18. Process mechanics in continuous friction stir extrusion process of aluminum alloy

    Article • March 2023, Materials Research Forum, LLC

    Prof. Livan Fratini

  19. Progresses in multi-materials billet manufacturing out of metal scraps through friction stir consolidation

    Article • March 2023, Materials Research Forum, LLC

    Prof. Livan Fratini

  20. A new control parameter to predict micro-warping-induced job failure in LPBF of TI6AL4V titanium alloy

    Article • The International Journal of Advanced Manufacturing Technology, March 2023, Springer Science + Business Media

    Prof. Livan Fratini

  21. Correction to: Properties Augmentation of Cast Hypereutectic Al–Si Alloy Through Friction Stir Processing

    Article • Metals and Materials International, January 2023, Springer Science + Business Media

    Prof. Livan Fratini

  22. Elucidating Role of Sheets Mutual Position and Copper Interlayer in Fsw of Dissimilar Ti6al4v-Ss316l Lap Joints: Metallurgical and Mechanical Characterization

    Article • January 2023, Elsevier

    Prof. Livan Fratini

  23. Study of the implementation of SPIF as a Reshaping strategy in terms of formability and accuracy performance

    Article • Journal of the Brazilian Society of Mechanical Sciences and Engineering, September 2022, Springer Science + Business Media

    Prof. Livan Fratini

  24. Preface

    Article • Manufacturing Letters, September 2022, Elsevier

    Prof. Livan Fratini

  25. Residual stress and material flow prediction in Friction Stir Welding of Gr2 Titanium T-joints

    Article • Manufacturing Letters, September 2022, Elsevier

    Prof. Livan Fratini

  26. Dissimilar titanium-aluminum skin-stringer joints by FSW: process mechanics and performance

    Article • Materials and Manufacturing Processes, August 2022, Taylor & Francis

    Prof. Livan Fratini

  27. Mechanical and microstructural characterization of titanium gr.5 parts produced by different manufacturing routes

    Article • The International Journal of Advanced Manufacturing Technology, August 2022, Springer Science + Business Media

    Prof. Livan Fratini

  28. Reshaping End-of-Life components by sheet hydroforming: An experimental and numerical analysis

    Article • Journal of Materials Processing Technology, August 2022, Elsevier

    Prof. Livan Fratini

  29. Fabrication of Billet from Aluminum Alloys AA 2011-T3/7075 Chips through Friction Stir Consolidation

    Article • Key Engineering Materials, July 2022, Trans Tech Publications

    Prof. Livan Fratini

  30. Selective Laser Melting of Ti6Al4V: Effects of Heat Accumulation Phenomena due to Building Orientation

    Article • Key Engineering Materials, July 2022, Trans Tech Publications

    Prof. Livan Fratini

  31. Advances and innovations in manufacturing systems research 2022

    Article • Journal of Manufacturing Systems, July 2022, Elsevier

    Prof. Livan Fratini

  32. Study of forming mechanics of magnetic field–assisted single point incremental forming

    Article • Journal of Manufacturing Processes, July 2022, Elsevier

    Prof. Livan Fratini

  33. Properties Augmentation of Cast Hypereutectic Al–Si Alloy Through Friction Stir Processing

    Article • Metals and Materials International, June 2022, Springer Science + Business Media

    Prof. Livan Fratini

  34. Review on mechanical joining by plastic deformation

    Article • Journal of Advanced Joining Processes, June 2022, Elsevier

    Prof. Livan Fratini

  35. Prediction of phase evolutions during friction stir welding of Ti-grade 5 T-joints using finite element modeling

    Article • Production Engineering, May 2022, Springer Science + Business Media

    Prof. Livan Fratini

  36. Hybrid prediction-optimization approaches for maximizing parts density in SLM of Ti6Al4V titanium alloy

    Article • Journal of Intelligent Manufacturing, April 2022, Springer Science + Business Media

    Prof. Livan Fratini

  37. Joining by forming technologies: current solutions and future trends

    Article • International Journal of Material Forming, March 2022, Springer Science + Business Media

    Prof. Livan Fratini

  38. Mechanical and microstructural characterization of titanium gr.5 parts produced by different manufacturing routes

    Article • February 2022, Research Square

    Prof. Livan Fratini

  39. The role of thermal contribution in the design of AA2024 friction stir welded butt and lap joints: mechanical properties and energy demand

    Article • Production Engineering, January 2022, Springer Science + Business Media

    Prof. Livan Fratini

  40. 3D Printing and Computational Modeling for the Evaluation of LVOT obstruction in Transcatheter Mitral Valve Replacement

    Article • Procedia CIRP, January 2022, Elsevier

    Prof. Livan Fratini

  41. Multi-material based functionally graded billets manufacturing through friction stir consolidation of aluminium alloys chips

    Article • CIRP Annals, January 2022, Elsevier

    Prof. Livan Fratini

  42. Sample building orientation effect on porosity and mechanical properties in Selective Laser Melting of Ti6Al4V titanium alloy

    Article • Materials Science and Engineering A, January 2022, Elsevier

    Prof. Livan Fratini

  43. A novel approach to enhance mechanical properties during recycling of aluminum alloy scrap through friction stir consolidation

    Article • The International Journal of Advanced Manufacturing Technology, December 2021, Springer Science + Business Media

    Prof. Livan Fratini

  44. A two steps Lagrangian–Eulerian numerical model for the simulation of explosive welding of three dissimilar materials joints

    Article • CIRP Journal of Manufacturing Science and Technology, November 2021, Elsevier

    Prof. Livan Fratini

  45. Outlining the Limits of Friction Stir Consolidation as Used as an Aluminum Alloys Recycling Approach

    Article • September 2021, Springer Science + Business Media

    Prof. Livan Fratini

  46. The Effect of Building Direction on Microstructure and Microhardness during Selective Laser Melting of Ti6Al4V Titanium Alloy

    Article • Journal of Materials Engineering and Performance, September 2021, Springer Science + Business Media

    Prof. Livan Fratini

  47. Smart and resilient manufacturing in the wake of COVID-19

    Article • Journal of Manufacturing Systems, July 2021, Elsevier

    Prof. Livan Fratini

  48. Geometrical deviation of end-of-life parts as a consequence of reshaping by single point incremental forming

    Article • The International Journal of Advanced Manufacturing Technology, May 2021, Springer Science + Business Media

    Prof. Livan Fratini

  49. Development of Magnetic Field-Assisted Single-Point Incremental Forming

    Article • Key Engineering Materials, April 2021, Trans Tech Publications

    Prof. Livan Fratini

  50. On the Effectiveness of SPIF Process to Re-Form End-of-Life Components as Compared to Conventional Forming Approach

    Article • Key Engineering Materials, April 2021, Trans Tech Publications

    Prof. Livan Fratini

  51. A numerical approach for the modelling of forming limits in hot incremental forming of AZ31 magnesium alloy

    Article • The International Journal of Advanced Manufacturing Technology, April 2021, Springer Science + Business Media

    Prof. Livan Fratini

  52. Comparative evaluation of the effect of the substrate thickness and inherent process defects on the static and fatigue performance of FSW and adhesive-bonded overlap-joints in an AA6016 alloy

    Article • Journal of Manufacturing Processes, April 2021, Elsevier

    Prof. Livan Fratini

  53. New trends in manufacturing systems research 2021

    Article • Journal of Manufacturing Systems, April 2021, Elsevier

    Prof. Livan Fratini

  54. Understanding formability and geometrical accuracy of SPIF process used as Reshaping approach

    Article • April 2021, University of Liege

    Prof. Livan Fratini

  55. Friction Stir Welding of dissimilar aluminum-steel joints for the shipbuilding industry

    Article • March 2021, University of Liege

    Prof. Livan Fratini

  56. Magnetic field-assisted single-point incremental forming with a magnet ball tool

    Article • CIRP Annals, January 2021, Elsevier

    Prof. Livan Fratini

  57. Manufacturing processes as material and energy efficiency strategies enablers: The case of Single Point Incremental Forming to reshape end-of-life metal components

    Article • CIRP Journal of Manufacturing Science and Technology, January 2021, Elsevier

    Prof. Livan Fratini

  58. NAMRC 49 Fast-Tracked Research Papers to Journal of Manufacturing Systems and Journal of Manufacturing Processes

    Article • Procedia Manufacturing, January 2021, Elsevier

    Prof. Livan Fratini

  59. Preface

    Article • Procedia Manufacturing, January 2021, Elsevier

    Prof. Livan Fratini

  60. Microstructural, mechanical and energy demand characterization of alternative WAAM techniques for Al-alloy parts production

    Article • CIRP Journal of Manufacturing Science and Technology, November 2020, Elsevier

    Prof. Livan Fratini

  61. Application of linear friction welding for joining ultrafine grained aluminium

    Article • Journal of Manufacturing Processes, August 2020, Elsevier

    Prof. Livan Fratini

  62. New Trends in Manufacturing Processes Research 2020

    Article • Journal of Manufacturing Processes, August 2020, Elsevier

    Prof. Livan Fratini

  63. Surface and mechanical characterization of stationary shoulder friction stir welded lap joints: experimental and numerical approach

    Article • International Journal of Material Forming, July 2020, Springer Science + Business Media

    Prof. Livan Fratini

  64. Multi-directional vs. mono-directional multi-step strategies for single point incremental forming of non-axisymmetric components

    Article • Journal of Manufacturing Processes, July 2020, Elsevier

    Prof. Livan Fratini

  65. New trends in Manufacturing Systems Research 2020

    Article • Journal of Manufacturing Systems, July 2020, Elsevier

    Prof. Livan Fratini

  66. Re-forming end-of-life components through single point incremental forming

    Article • Manufacturing Letters, April 2020, Elsevier

    Prof. Livan Fratini

  67. Effect of position and force tool control in friction stir welding of dissimilar aluminum-steel lap joints for automotive applications

    Article • Advances in Manufacturing, February 2020, Springer Science + Business Media

    Prof. Livan Fratini

  68. Uncovering Technological and Environmental Potentials of Aluminum Alloy Scraps Recycling Through Friction Stir Consolidation

    Article • International Journal of Precision Engineering and Manufacturing-Green Technology, January 2020, Springer Science + Business Media

    Prof. Livan Fratini

  69. Mechanical and metallurgical characterization of AA6082-T6 sheet-bulk joints produced through a linear friction welding based approach

    Article • International Journal of Material Forming, January 2020, Springer Science + Business Media

    Prof. Livan Fratini

  70. An energy efficiency analysis of Single Point Incremental Forming as an Approach for Sheet Metal Based Component Reuse

    Article • Procedia CIRP, January 2020, Elsevier

    Prof. Livan Fratini

  71. Friction Stir Welding of Ti6Al4V complex geometries for aeronautical applications: a feasibility study

    Article • Procedia Manufacturing, January 2020, Elsevier

    Prof. Livan Fratini

  72. Preface

    Article • Procedia Manufacturing, January 2020, Elsevier

    Prof. Livan Fratini

  73. Solid State Joining of Thin Hybrid Sandwiches Made of Steel and Polymer: a Feasibility Study

    Article • Procedia Manufacturing, January 2020, Elsevier

    Prof. Livan Fratini

  74. Special Issue of Journal of Manufacturing Systems on New Trends in Manufacturing Systems Research 2020

    Article • Procedia Manufacturing, January 2020, Elsevier

    Prof. Livan Fratini

  75. Friction stir extrusion to recycle aluminum alloys scraps: Energy efficiency characterization

    Article • Journal of Manufacturing Processes, July 2019, Elsevier

    Prof. Livan Fratini

  76. New trends in manufacturing processes research

    Article • Journal of Manufacturing Processes, July 2019, Elsevier

    Prof. Livan Fratini

  77. New trends in manufacturing systems research

    Article • Journal of Manufacturing Systems, July 2019, Elsevier

    Prof. Livan Fratini

  78. Constant Heat Input Friction Stir Welding of Variable Thickness AZ31 Sheets Through In-Process Tool Rotation Control

    Article • Journal of Manufacturing Science and Engineering, June 2019, ASME International

    Prof. Livan Fratini

  79. A novel linear friction welding based approach for sheet-bulk joining

    Article • January 2019, American Institute of Physics

    Prof. Livan Fratini

  80. Aluminium sheet metal scrap recycling through friction consolidation

    Article • Procedia Manufacturing, January 2019, Elsevier

    Prof. Livan Fratini

  81. Energy Demand Reduction Of Aluminum Alloys Recycling Through Friction Stir Extrusion Processes Implementation

    Article • Procedia Manufacturing, January 2019, Elsevier

    Prof. Livan Fratini

  82. History of NAMRI and NAMRC

    Article • Procedia Manufacturing, January 2019, Elsevier

    Prof. Livan Fratini

  83. Preface

    Article • Procedia Manufacturing, January 2019, Elsevier

    Prof. Livan Fratini

  84. Special Issue of Journal of Manufacturing Processes on New Trends in Manufacturing Processes Research

    Article • Procedia Manufacturing, January 2019, Elsevier

    Prof. Livan Fratini

  85. Special Issue of Journal of Manufacturing Systems on New Trends in Manufacturing Systems Research

    Article • Procedia Manufacturing, January 2019, Elsevier

    Prof. Livan Fratini

  86. An insight into the electrical energy demand of friction stir welding processes: the role of process parameters, material and machine tool architecture

    Article • The International Journal of Advanced Manufacturing Technology, October 2018, Springer Science + Business Media

    Prof. Livan Fratini

  87. Advancing manufacturing processes research at NAMRC 46

    Article • Journal of Manufacturing Processes, August 2018, Elsevier

    Prof. Livan Fratini

  88. Experimental and numerical investigation on a new FSW based metal to composite joining technique

    Article • Journal of Manufacturing Processes, August 2018, Elsevier

    Prof. Livan Fratini

  89. Single block 3D numerical model for linear friction welding of titanium alloy

    Article • Science and Technology of Welding & Joining, July 2018, Taylor & Francis

    Prof. Livan Fratini

  90. Advancing manufacturing systems research at NAMRC 46

    Article • Journal of Manufacturing Systems, July 2018, Elsevier

    Prof. Livan Fratini

  91. Influence of Oblique Edge Blanking on the Online Punching Quality after Stretch Bending

    Article • Defect and Diffusion Forum, July 2018, Trans Tech Publications

    Prof. Livan Fratini

  92. Bonding prediction in friction stir consolidation of aluminum alloys: A preliminary study

    Article • January 2018, American Institute of Physics

    Prof. Livan Fratini

  93. Design of continuous Friction Stir Extrusion machines for metal chip recycling: issues and difficulties

    Article • Procedia Manufacturing, January 2018, Elsevier

    Prof. Livan Fratini

  94. Preface

    Article • Procedia Manufacturing, January 2018, Elsevier

    Prof. Livan Fratini

  95. Preface

    Article • Procedia Manufacturing, January 2018, Elsevier

    Prof. Livan Fratini

  96. Preface: 21st International ESAFORM Conference on Material Forming (ESAFORM 2018)

    Article • January 2018, American Institute of Physics

    Prof. Livan Fratini

  97. Special Issue of Journal of Manufacturing Processes on Advancing Manufacturing Processes Research at NAMRC 46

    Article • Procedia Manufacturing, January 2018, Elsevier

    Prof. Livan Fratini

  98. Special Issue of Journal of Manufacturing Systems on Advancing Manufacturing Systems Research at NAMRC 46

    Article • Procedia Manufacturing, January 2018, Elsevier

    Prof. Livan Fratini

  99. Welding abilities of UFG metals

    Article • January 2018, American Institute of Physics

    Prof. Livan Fratini

  100. In-process control strategies for friction stir welding of AZ31 sheets with non-uniform thickness

    Article • The International Journal of Advanced Manufacturing Technology, October 2017, Springer Science + Business Media

    Professor Michela Simoncini, Prof. Livan Fratini

  101. Process mechanics in Friction Stir Extrusion of magnesium alloys chips through experiments and numerical simulation

    Article • Journal of Manufacturing Processes, October 2017, Elsevier

    Prof. Livan Fratini

  102. Residual Stress Measurement in Innovative Friction Stir Welding Processes

    Article • Key Engineering Materials, September 2017, Trans Tech Publications

    Prof. Livan Fratini

  103. A numerical model for Wire integrity prediction in Friction Stir Extrusion of magnesium alloys

    Article • Journal of Materials Processing Technology, September 2017, Elsevier

    Prof. Livan Fratini

  104. Enhancement of mechanical properties of FSWed AA7075 lap joints through in-situ fabrication of MMC

    Article • Journal of Manufacturing Processes, August 2017, Elsevier

    Prof. Livan Fratini

  105. Influence of processing parameters and initial temper on Friction Stir Extrusion of 2050 aluminum alloy

    Article • Journal of Manufacturing Processes, August 2017, Elsevier

    Prof. Livan Fratini

  106. Latest developments in manufacturing processes at NAMRC 45

    Article • Journal of Manufacturing Processes, August 2017, Elsevier

    Prof. Livan Fratini

  107. Latest advancements in manufacturing systems at NAMRC 45

    Article • Journal of Manufacturing Systems, July 2017, Elsevier

    Prof. Livan Fratini

  108. Strategies for numerical simulation of linear friction welding of metals: a review

    Article • Production Engineering, March 2017, Springer Science + Business Media

    Prof. Livan Fratini

  109. A macroscale FEM-based approach for selective laser sintering of thermoplastics

    Article • The International Journal of Advanced Manufacturing Technology, January 2017, Springer Science + Business Media

    Prof. Livan Fratini

  110. In-process tool rotational speed variation with constant heat input in friction stir welding of AZ31 sheets with variable thickness

    Article • January 2017, American Institute of Physics

    Professor Michela Simoncini, Prof. Livan Fratini

  111. Al-SiC Metal Matrix Composite production through Friction Stir Extrusion of aluminum chips

    Article • Procedia Engineering, January 2017, Elsevier

    Prof. Livan Fratini

  112. An Exploratory Study for Analyzing the Energy Savings Obtainable by Reshaping Processes of Sheet Metal Based Components

    Article • Procedia Engineering, January 2017, Elsevier

    Prof. Livan Fratini

  113. Analysis of Electrical Energy Demands in Friction Stir Welding of Aluminum Alloys

    Article • Procedia Engineering, January 2017, Elsevier

    Prof. Livan Fratini

  114. Comparison between FSW and bonded lap joints – A preliminary investigation

    Article • January 2017, American Institute of Physics

    Prof. Livan Fratini

  115. Preface

    Article • Procedia Manufacturing, January 2017, Elsevier

    Prof. Livan Fratini

  116. Dissimilar titanium/aluminum friction stir welding lap joints by experiments and numerical simulation

    Article • Advances in Manufacturing, December 2016, Springer Science + Business Media

    Prof. Livan Fratini

  117. Influence of Process Parameters on the Product Integrity in Friction Stir Extrusion of Magnesium Alloys

    Article • Key Engineering Materials, October 2016, Trans Tech Publications

    Prof. Livan Fratini

  118. Life cycle energy and CO2 emissions analysis of food packaging: an insight into the methodology from an Italian perspective

    Article • International Journal of Sustainable Engineering, September 2016, Taylor & Francis

    Prof. Livan Fratini

  119. Effect of the mutual position between weld seam and reinforcement on the residual stress distribution in Friction Stir Welding of AA6082 skin and stringer structures

    Article • Thin-Walled Structures, June 2016, Elsevier

    Prof. Livan Fratini

  120. Weld quality prediction in linear friction welding of AA6082-T6 through an integrated numerical tool

    Article • Journal of Materials Processing Technology, May 2016, Elsevier

    Prof. Livan Fratini

  121. Comparative analysis of bonding mechanism in solid state metal working processes

    Article • MATEC Web of Conferences, January 2016, EDP Sciences

    Prof. Livan Fratini

  122. Material flow analysis in dissimilar friction stir welding of AA2024 and Ti6Al4V butt joints

    Article • MATEC Web of Conferences, January 2016, EDP Sciences

    Prof. Livan Fratini

  123. In-process tool force and rotation variation to control sheet thickness change in friction stir welding of magnesium alloys

    Article • January 2016, American Institute of Physics

    Professor Michela Simoncini, Prof. Livan Fratini

  124. An Innovative Friction Stir Welding Based Technique to Produce Dissimilar Light Alloys to Thermoplastic Matrix Composite Joints

    Article • Procedia Manufacturing, January 2016, Elsevier

    Prof. Livan Fratini

  125. Dissimilar Al/steel friction stir welding lap joints for automotive applications

    Article • January 2016, American Institute of Physics

    Prof. Livan Fratini

  126. Linear friction welding of dissimilar AA6082 and AA2011 aluminum alloys: microstructural characterization and design guidelines

    Article • International Journal of Material Forming, December 2015, Springer Science + Business Media

    Prof. Livan Fratini

  127. Dual phase titanium alloy hot forging process design: experiments and numerical modeling

    Article • Advances in Manufacturing, November 2015, Springer Science + Business Media

    Prof. Livan Fratini

  128. Phase evolution in hot forging of dual phase titanium alloys: Experiments and numerical analysis

    Article • Journal of Manufacturing Processes, October 2015, Elsevier

    Dr Andrea Ghiotti, Prof. Livan Fratini

  129. Shear coefficient determination in linear friction welding of aluminum alloys

    Article • Materials & Design, October 2015, Elsevier

    Prof. Livan Fratini

  130. Metallurgical Evolutions in Hot Forging of Dual Phase Titanium Alloys: Numerical Simulation and Experiments

    Article • Key Engineering Materials, July 2015, Trans Tech Publications

    Prof. Livan Fratini

  131. AZ31 magnesium alloy recycling through friction stir extrusion process

    Article • International Journal of Material Forming, July 2015, Springer Science + Business Media

    Prof. Livan Fratini

  132. Friction stir welding of dissimilar aluminium–magnesium joints: sheet mutual position effects

    Article • Science and Technology of Welding & Joining, March 2015, Taylor & Francis

    Prof. Livan Fratini

  133. Modeling of the Plastic Characteristics of AA6082 for the Friction Stir Welding Process

    Article • Key Engineering Materials, March 2015, Trans Tech Publications

    Prof. Livan Fratini

  134. Design of Numerical Simulations of Linear Friction Welding Processes: Issues and Difficulties

    Article • Key Engineering Materials, March 2015, Trans Tech Publications

    Prof. Livan Fratini

  135. On the Solid Bonding Phenomena in Linear Friction Welding and Accumulative Roll Bonding Processes: Numerical Simulation Insights

    Article • Key Engineering Materials, March 2015, Trans Tech Publications

    Prof. Livan Fratini

  136. Experimental and Numerical Analysis of Microstructure Evolution during Linear Friction Welding of Ti6Al4V

    Article • Procedia Manufacturing, January 2015, Elsevier

    Prof. Livan Fratini

  137. Analytical bonding criteria for joint integrity prediction in friction stir welding of aluminum alloys

    Article • Journal of Materials Processing Technology, October 2014, Elsevier

    Prof. Livan Fratini

  138. Effective Linear Friction Welding Machine Redesign through Process Analysis

    Article • Key Engineering Materials, September 2014, Trans Tech Publications

    Professor Achilles Vairis, Prof. Livan Fratini

  139. Beta-Forging of Ti6Al4V Titanium Alloy Powders Consolidated by HIP: Plastic Flow and Strain-Rate Relation

    Article • Materials Science Forum, May 2014, Trans Tech Publications

    Prof. Livan Fratini

  140. Experimental and Numerical Study on Linear Friction Welding of AA2011 Aluminum Alloy

    Article • Key Engineering Materials, May 2014, Trans Tech Publications

    Prof. Livan Fratini

  141. Using a neural network for qualitative and quantitative predictions of weld integrity in solid bonding dominated processes

    Article • Computers & Structures, April 2014, Elsevier

    Prof. Livan Fratini

  142. Friction Stir Welding as an Effective Alternative Technique for Light Structural Alloys Mixed Joints

    Article • Procedia Engineering, January 2014, Elsevier

    Prof. Livan Fratini

  143. Friction based Solid State Welding Techniques for Transportation Industry Applications

    Article • Procedia CIRP, January 2014, Elsevier

    Prof. Livan Fratini

  144. Influence of Geometrical Ratios in Forgeability of Complex Shapes during Hot Forging of Ti-6Al-4V Titanium Alloy

    Article • Procedia Engineering, January 2014, Elsevier

    Prof. Livan Fratini

  145. Influence of Joint Geometry on Micro and Macro Mechanical Properties of Friction Stir Spot Welded Joints

    Article • Procedia Engineering, January 2014, Elsevier

    Prof. Livan Fratini

  146. Micro and macro mechanical characterization of friction stir welded Ti–6Al–4V lap joints through experiments and numerical simulation

    Article • Journal of Materials Processing Technology, December 2013, Elsevier

    Prof. Livan Fratini

  147. Mechanical and microstructural characterization of friction stir welded skin and stringer joints

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, November 2013, SAGE Publications

    Prof. Livan Fratini

  148. FEM based prediction of phase transformations during Friction Stir Welding of Ti6Al4V titanium alloy

    Article • Materials Science and Engineering A, October 2013, Elsevier

    Prof. Livan Fratini

  149. Beta Forging of Ti-6Al-4V: Microstructure Evolution and Mechanical Properties

    Article • Key Engineering Materials, June 2013, Trans Tech Publications

    Prof. Livan Fratini

  150. Coupled Thermo-Mechanical-Metallurgical Analysis of an Hot Forging Process of Titanium Alloy

    Article • Key Engineering Materials, June 2013, Trans Tech Publications

    Prof. Livan Fratini

  151. Effect of Process Parameters on the Joint Integrity in Friction Stir Welding of Ti-6Al-4V Lap Joints

    Article • Key Engineering Materials, June 2013, Trans Tech Publications

    Prof. Livan Fratini

  152. Influence of Parameters in a Hybrid Joints (SPR/Bonded) GFRP-Aluminum

    Article • Key Engineering Materials, June 2013, Trans Tech Publications

    Prof. Livan Fratini

  153. Improving Formability in SPIF Processes through High Speed Rotating Tool: Experimental and Numerical Analysis

    Article • Key Engineering Materials, April 2013, Trans Tech Publications

    Prof. Livan Fratini

  154. Modelling Aspects in Accumulative Roll Bonding Process by Explicit Finite Element Analysis

    Article • Key Engineering Materials, April 2013, Trans Tech Publications

    Prof. Livan Fratini

  155. On the Field Variables Influence on Bonding Phenomena during FSW Processes: Experimental and Numerical Study

    Article • Key Engineering Materials, April 2013, Trans Tech Publications

    Prof. Livan Fratini

  156. Analysis of the mechanical performance of hybrid (SPR/bonded) single-lap joints between CFRP panels and aluminum blanks

    Article • International Journal of Adhesion and Adhesives, March 2013, Elsevier

    Prof. Livan Fratini

  157. Prediction of phase transformation of Ti-6Al-4V titanium alloy during hot-forging processes using a numerical model

    Article • Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications, February 2013, SAGE Publications

    Prof. Livan Fratini

  158. On tool stirring action in friction stir welding of work hardenable aluminium alloys

    Article • Science and Technology of Welding & Joining, February 2013, Taylor & Francis

    Prof. Livan Fratini

  159. Advanced numerical models for the thermo-mechanical-metallurgical analysis in hot forging processes

    Article • January 2013, American Institute of Physics

    Prof. Livan Fratini

  160. An Automated Visual Inspection System for the Classification of the Phases of Ti-6Al-4V Titanium Alloy

    Article • January 2013, Springer Science + Business Media

    Prof. Livan Fratini

  161. Dissimilar material lap joints by friction stir welding of steel and titanium sheets: Process modeling

    Article • January 2013, American Institute of Physics

    Prof. Livan Fratini

  162. Joining by plastic deformation

    Article • CIRP Annals, January 2013, Elsevier

    Prof. Livan Fratini

  163. On the linear friction welding process of aluminum alloys: Experimental insights through process monitoring

    Article • CIRP Annals, January 2013, Elsevier

    Prof. Livan Fratini

  164. Investigations on the linear friction welding process through numerical simulations and experiments

    Article • Materials & Design (1980-2015), September 2012, Elsevier

    Prof. Livan Fratini

  165. On the improvement of material formability in SPIF operation through tool stirring action

    Article • The International Journal of Advanced Manufacturing Technology, August 2012, Springer Science + Business Media

    Prof. Livan Fratini

  166. Mechanical and microstructural properties prediction by artificial neural networks in FSW processes of dual phase titanium alloys

    Article • Journal of Manufacturing Processes, August 2012, Elsevier

    Prof. Livan Fratini

  167. Fatigue behaviour of self-piercing riveting of aluminium blanks and carbon fibre composite panels

    Article • Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications, April 2012, SAGE Publications

    Prof. Livan Fratini

  168. Influence of the distance between rivets in self-piercing riveting bonded joints made of carbon fiber panels and AA2024 blanks

    Article • Materials & Design (1980-2015), March 2012, Elsevier

    Prof. Livan Fratini

  169. Experimental and Numerical Analysis on FSWed Magnesium Alloy Thin Sheets Obtained Using “Pin” and “Pinless” Tool

    Article • Key Engineering Materials, February 2012, Trans Tech Publications

    Professor Michela Simoncini, Prof. Livan Fratini

  170. Friction Based Solid State Welding Processes

    Article • Key Engineering Materials, February 2012, Trans Tech Publications

    Prof. Livan Fratini

  171. Process Mechanics in Friction Stir Welding of Magnesium Alloys: Experimental and Numerical Analysis

    Article • Key Engineering Materials, February 2012, Trans Tech Publications

    Prof. Livan Fratini

  172. On the self-piercing riveting of aluminium blanks and carbon fibre composite panels

    Article • International Journal of Material Forming, October 2011, Springer Science + Business Media

    Prof. Livan Fratini

  173. Factors Influencing Bonding Mechanics in FSW of AA5754

    Article • Key Engineering Materials, September 2011, Trans Tech Publications

    Prof. Livan Fratini

  174. Residual stresses in friction stir welded parts of complex geometry

    Article • The International Journal of Advanced Manufacturing Technology, July 2011, Springer Science + Business Media

    Prof. Livan Fratini

  175. Numerical procedure for residual stresses prediction in friction stir welding

    Article • Finite Elements in Analysis and Design, April 2011, Elsevier

    Prof. Livan Fratini

  176. Fracture analysis of semielliptical cracks at the interface of two functionally gradient materials using three-dimensional finite-element method

    Article • Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications, April 2011, SAGE Publications

    Prof. Livan Fratini

  177. Computer Aided Design of an Effective Fixture for FSW Processes of Titanium Alloys

    Article • Key Engineering Materials, March 2011, Trans Tech Publications

    Prof. Livan Fratini

  178. Shape Distortion and Thickness Distribution during SPIF Processes: Expermental and Numerical Analysis

    Article • Key Engineering Materials, March 2011, Trans Tech Publications

    Prof. Livan Fratini

  179. Fatigue strength of a single lap joint SPR-bonded

    Article • January 2011, American Institute of Physics

    Prof. Livan Fratini

  180. Numerical simulation of linear fiction welding (LFW) processes

    Article • January 2011, American Institute of Physics

    Prof. Livan Fratini

  181. Mechanical and metallurgical properties of titanium alloy friction stir welded butt joints

    Article • Computer Methods in Materials Science, January 2011, AGHU University of Science and Technology Press

    Prof. Livan Fratini

  182. On the Residual Stresses in Friction Stir-Welded Parts: Effect of the Geometry of the Joints

    Article • Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications, September 2010, SAGE Publications

    Prof. Livan Fratini

  183. Mechanical behaviour and failure modes of metal to composite adhesive joints for nautical applications

    Article • The International Journal of Advanced Manufacturing Technology, August 2010, Springer Science + Business Media

    Prof. Livan Fratini

  184. Improved FE model for simulation of friction stir welding of different materials

    Article • Science and Technology of Welding & Joining, April 2010, Taylor & Francis

    Prof. Livan Fratini

  185. A new friction stir welding based technique for corner fillet joints: experimental and numerical study

    Article • International Journal of Material Forming, April 2010, Springer Science + Business Media

    Prof. Livan Fratini

  186. Friction stir processing of Niti shape memory alloy: microstructural characterization

    Article • International Journal of Material Forming, April 2010, Springer Science + Business Media

    Prof. Livan Fratini

  187. Mechanical and metallurgical effects of in process cooling during friction stir welding of AA7075-T6 butt joints

    Article • Acta Materialia, April 2010, Elsevier

    Prof. Livan Fratini

  188. Numerical modelling of the linear friction welding process

    Article • International Journal of Material Forming, April 2010, Springer Science + Business Media

    Prof. Livan Fratini

  189. On the self-piercing riveting of aluminium blanks and carbon fibre composite panels

    Article • International Journal of Material Forming, April 2010, Springer Science + Business Media

    Prof. Livan Fratini

  190. A new fixture for FSW processes of titanium alloys

    Article • CIRP Annals, January 2010, Elsevier

    Prof. Livan Fratini

  191. Formability of Friction Stir Welded AZ31 Magnesium Alloy Sheets

    Article • Materials Science Forum, January 2010, Trans Tech Publications

    Prof. Livan Fratini

  192. Friction Stir Welding of Magnesium Alloys under Different Process Parameters

    Article • Materials Science Forum, January 2010, Trans Tech Publications

    Prof. Livan Fratini

  193. Analysis of Joint Quality along Welding Plane

    Article • Key Engineering Materials, December 2009, Trans Tech Publications

    Prof. Livan Fratini

  194. Towards Tool Path Numerical Simulation in Modified Friction Stir Spot Welding Processes

    Article • Advanced Materials Research, December 2009, Trans Tech Publications

    Prof. Livan Fratini

  195. On the FSW of AA2024-T4 and AA7075-T6 T-joints: an industrial case study

    Article • The International Journal of Advanced Manufacturing Technology, October 2009, Springer Science + Business Media

    Prof. Livan Fratini

  196. Using a neural network for predicting the average grain size in friction stir welding processes

    Article • Computers & Structures, September 2009, Elsevier

    Prof. Livan Fratini

  197. Friction stir welding of tailored joints for industrial applications

    Article • International Journal of Material Forming, August 2009, Springer Science + Business Media

    Prof. Livan Fratini

  198. Friction stir welding of lap joints: Influence of process parameters on the metallurgical and mechanical properties

    Article • Materials Science and Engineering A, August 2009, Elsevier

    Prof. Livan Fratini

  199. Influence of material characteristics on plastomechanics of the FSW process for T-joints

    Article • Materials & Design (1980-2015), August 2009, Elsevier

    Prof. Livan Fratini

  200. Residual stresses and FCP prediction in FSW through a continuous FE model

    Article • Journal of Materials Processing Technology, August 2009, Elsevier

    Prof. Livan Fratini

  201. On the slabbing of stones through diamond wire cutting operations

    Article • Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science, July 2009, SAGE Publications

    Prof. Livan Fratini

  202. Friction stir welding of steels: process design through continuum based FEM model

    Article • Science and Technology of Welding & Joining, April 2009, Taylor & Francis

    Prof. Livan Fratini

  203. A Neural Network Based Approach for the Design of FSW Processes

    Article • Key Engineering Materials, March 2009, Trans Tech Publications

    Prof. Livan Fratini

  204. Fatigue crack growth in 2024-T351 friction stir welded joints: Longitudinal residual stress and microstructural effects

    Article • International Journal of Fatigue, March 2009, Elsevier

    Prof. Livan Fratini

  205. Tool Geometry in Friction Stir Welding of Magnesium Alloy Sheets

    Article • Key Engineering Materials, March 2009, Trans Tech Publications

    Prof. Livan Fratini

  206. Wear Analysis during Friction Stir Processing of A359+20%SiC MMC

    Article • Key Engineering Materials, March 2009, Trans Tech Publications

    Prof. Livan Fratini

  207. A new approach to study material bonding in extrusion porthole dies

    Article • CIRP Annals, January 2009, Elsevier

    Prof. Livan Fratini

  208. Friction stir processing: Thermo-mechanical loads and consequent effects on the local material characteristics

    Article • Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications, December 2008, SAGE Publications

    Prof. Livan Fratini

  209. On the material flow in FSW of T-joints: Influence of geometrical and tecnological parameters

    Article • The International Journal of Advanced Manufacturing Technology, November 2008, Springer Science + Business Media

    Prof. Livan Fratini

  210. On the influence of tool path in friction stir spot welding of aluminum alloys

    Article • Journal of Materials Processing Technology, November 2008, Elsevier

    Prof. Livan Fratini

  211. In-process heat treatments to improve FS-welded butt joints

    Article • The International Journal of Advanced Manufacturing Technology, September 2008, Springer Science + Business Media

    Prof. Livan Fratini

  212. Self-piercing riveting for aluminium alloys-composites hybrid joints

    Article • The International Journal of Advanced Manufacturing Technology, August 2008, Springer Science + Business Media

    Prof. Livan Fratini

  213. Metallurgical Phenomena Modeling in Friction Stir Welding of Aluminium Alloys: Analytical Versus Neural Network Based Approaches

    Article • Journal of Engineering Materials and Technology, May 2008, ASME International

    Prof. Livan Fratini

  214. Mode I failure modeling of friction stir welding joints

    Article • The International Journal of Advanced Manufacturing Technology, April 2008, Springer Science + Business Media

    Prof. Livan Fratini

  215. Friction Stir Knead Welding of steel aluminium butt joints

    Article • International Journal of Machine Tools and Manufacture, April 2008, Elsevier

    Prof. Livan Fratini

  216. Material Flow in FSW of T-joints: Experimental and Numerical Analysis

    Article • International Journal of Material Forming, April 2008, Springer Science + Business Media

    Prof. Livan Fratini

  217. Numerical Simulation of Friction Stir Welding by Natural Element Methods

    Article • International Journal of Material Forming, April 2008, Springer Science + Business Media

    Prof. Livan Fratini

  218. Finite element studies on friction stir welding processes of tailored blanks

    Article • Computers & Structures, January 2008, Elsevier

    Prof. Livan Fratini

  219. On the thermo-mechanical loads and the resultant residual stresses in friction stir processing operations

    Article • CIRP Annals, January 2008, Elsevier

    Prof. Livan Fratini

  220. CDRX modelling in friction stir welding of AA7075-T6 aluminum alloy: Analytical approaches

    Article • Journal of Materials Processing Technology, August 2007, Elsevier

    Prof. Livan Fratini

  221. Experimental Characterization of FSW T-Joints of Light Alloys

    Article • July 2007, CrossRef Test Account

    Prof. Livan Fratini

  222. Incremental Forming Process for the Accomplishment of Automotive Details

    Article • July 2007, CrossRef Test Account

    Prof. Livan Fratini

  223. Investigations on the Mechanical Properties and Formability of Friction Stir Welded Tailored Blanks

    Article • July 2007, CrossRef Test Account

    Prof. Livan Fratini

  224. Tool Path Design in Friction Stir Spot Welding of AA6082-T6 Aluminum Alloys

    Article • July 2007, CrossRef Test Account

    Prof. Livan Fratini

  225. Friction stir spot welding of AA6082-T6: Influence of the most relevant process parameters and comparison with classic mechanical fastening techniques

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, July 2007, SAGE Publications

    Prof. Livan Fratini

  226. Friction Stir Welding Lap Joint Resistance Optimization Through Gradient Techniques

    Article • Journal of Manufacturing Science and Engineering, June 2007, ASME International

    Prof. Livan Fratini

  227. Improving friction stir welding of blanks of different thicknesses

    Article • Materials Science and Engineering A, June 2007, Elsevier

    Prof. Livan Fratini

  228. Continuous dynamic recrystallization phenomena modelling in friction stir welding of aluminium alloys: A neural-network-based approach

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, May 2007, SAGE Publications

    Prof. Livan Fratini

  229. Measuring of Geometrical Precision of Some parts Obtained by Asymmetric Incremental Forming Process After Trimming

    Article • January 2007, American Institute of Physics

    Prof. Livan Fratini

  230. Meshless Simulation of Friction Stir Welding

    Article • January 2007, American Institute of Physics

    Prof. Livan Fratini

  231. Numerical Prediction Of Elastic Springback In An Automotive Complex Structural Part

    Article • January 2007, American Institute of Physics

    Prof. Livan Fratini

  232. The Relevance Of The Preform Design In Coining Processes Of Cupronickel Alloy

    Article • January 2007, American Institute of Physics

    Prof. Livan Fratini

  233. Springback effect evaluation in three-dimensional stamping processes at the varying of blankholder force

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, November 2006, SAGE Publications

    Prof. Livan Fratini

  234. Design of Experiments for the Optimization the Process Parameters of Thixotropic Aluminum Alloy

    Article • October 2006, CrossRef Test Account

    Prof. Livan Fratini

  235. Material flow in FSW of AA7075–T6 butt joints: numerical simulations and experimental verifications

    Article • Science and Technology of Welding & Joining, July 2006, Taylor & Francis

    Prof. Livan Fratini

  236. Forming of aluminum foam sandwich panels: Numerical simulations and experimental tests

    Article • Journal of Materials Processing Technology, July 2006, Elsevier

    Prof. Livan Fratini

  237. On microstructural phenomena occurring in friction stir welding of aluminium alloys

    Article • Journal of Materials Processing Technology, July 2006, Elsevier

    Prof. Livan Fratini

  238. Solid state bonding in extrusion and FSW: Process mechanics and analogies

    Article • Journal of Materials Processing Technology, July 2006, Elsevier

    Prof. Livan Fratini

  239. AA6082-T6 Friction Stir Welded Joints Fatigue Resistance: Influence of Process Parameters

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, June 2006, SAGE Publications

    Prof. Livan Fratini

  240. Local Mechanical and Morphological Characterization of Friction Stir-Welded Butt Joints

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, June 2006, SAGE Publications

    Prof. Livan Fratini

  241. An analysis of through-thickness residual stresses in aluminium FSW butt joints

    Article • International Journal of Machine Tools and Manufacture, May 2006, Elsevier

    Prof. Livan Fratini

  242. Friction Stir Welding of AA6082-T6 T-joints: Process Engineering and Performance Measurement

    Article • Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, May 2006, SAGE Publications

    Prof. Livan Fratini

  243. A continuum based fem model for friction stir welding—model development

    Article • Materials Science and Engineering A, March 2006, Elsevier

    Prof. Livan Fratini

  244. Design of the friction stir welding tool using the continuum based FEM model

    Article • Materials Science and Engineering A, March 2006, Elsevier

    Prof. Livan Fratini

  245. Material Flow in FSW of AA7075-T6 Butt Joints: Continuous Dynamic Recrystallization Phenomena

    Article • Journal of Engineering Materials and Technology, February 2006, ASME International

    Prof. Livan Fratini

  246. A technical note on an experimental device to measure friction coefficient in sheet metal forming

    Article • Journal of Materials Processing Technology, February 2006, Elsevier

    Prof. Livan Fratini

  247. Friction Stir Welding of Tailored Blanks: Investigation on Process Feasibility

    Article • CIRP Annals, January 2006, Elsevier

    Prof. Livan Fratini

  248. CDRX modelling in friction stir welding of aluminium alloys

    Article • International Journal of Machine Tools and Manufacture, August 2005, Elsevier

    Prof. Livan Fratini

  249. Influence of some relevant process parameters on the dimensional accuracy in incremental forming: a numerical and experimental investigation

    Article • Journal of Materials Processing Technology, November 2004, Elsevier

    Prof. Livan Fratini

  250. Innovative sheet metal forming processes: numerical simulations and experimental tests

    Article • Journal of Materials Processing Technology, July 2004, Elsevier

    Prof. Livan Fratini

  251. Damage and fracture study of cold extrusion dies

    Article • Engineering Fracture Mechanics, May 2004, Elsevier

    Prof. Livan Fratini

  252. Comparison of analytical methods and AI tools for material characterisation in hot forming

    Article • Journal of Materials Processing Technology, September 2002, Elsevier

    Prof. Livan Fratini

  253. A modified moiré technique for three-dimensional surface topography

    Article • Measurement Science and Technology, March 2002, Institute of Physics Publishing

    Prof. Livan Fratini

  254. The application of AI techniques in the optimal design of multi-pass cold drawing processes

    Article • Journal of Materials Processing Technology, June 2001, Elsevier

    Prof. Livan Fratini

  255. An Optical Technique for Springback Measurement in Axisymmetrical Deep Drawing Operations

    Article • Journal of Manufacturing Processes, January 2001, Elsevier

    Prof. Livan Fratini, Professor Zabih Ghassemlooy

  256. Prediction of Ductile Fractures Occurrence in Deep Drawing of Square Boxes

    Article • CIRP Annals, January 1996, Elsevier

    Prof. Livan Fratini

  257. An Explicit Model for the Thermal-Mechanical Analysis of Hot Metal Forming Processes

    Article • CIRP Annals, January 1995, Elsevier

    Prof. Livan Fratini

  258. Friction Stir Welding: A Solid State Joining Process

    Article • Springer Science + Business Media

    Prof. Livan Fratini

  259. Influence of Process Parameters for Thixotropic Alloys

    Article • Springer Science + Business Media

    Prof. Livan Fratini