All Stories

  1. Prediction of Deformation Behavior of Metallic Foams Using a Yield Criterion for Compressible Materials

    Article • MATERIALS TRANSACTIONS, December 2018, Japan Institute of Metals

    Ryo Matsumoto

  2. Deformation Twinning and Change in Mechanical Properties of Cu-15at%Al in Multi-Pass Cold Rolling

    Article • Materials Science Forum, December 2018, Trans Tech Publications

    Ryo Matsumoto

  3. Formation of skin surface layer on aluminum foam by friction stir powder incremental forming

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

    Ryo Matsumoto

  4. Prediction of Flow Stress Curve of Metallic Foam using Compressible Constitutive Equation

    Article • Journal of Physics Conference Series, July 2018, Institute of Physics Publishing

    Ryo Matsumoto

  5. Lubrication in Hot Forging with Pulsed Ram Motion

    Article • Key Engineering Materials, April 2018, Trans Tech Publications

    Ryo Matsumoto

  6. Nano Precipitation and Hardening of Die-Quenched 6061 Aluminum Alloy

    Article • Journal of Nanoscience and Nanotechnology, March 2018, American Scientific Publishers

    Ryo Matsumoto

  7. Necking condition of layers in clad sheets during rolling

    Article • CIRP Annals, January 2018, Elsevier

    Ryo Matsumoto

  8. Experimental Study of Roll Flattening in Cold Rolling Process

    Article • ISIJ International, January 2018, Iron and Steel Institute of Japan

    Ryo Matsumoto

  9. Mechanism of oxide scale to decrease friction in hot steel rolling

    Article • Procedia Manufacturing, January 2018, Elsevier

    Ryo Matsumoto

  10. Peripheral speed of steel ring during hot ring rolling

    Article • Procedia Manufacturing, January 2018, Elsevier

    Ryo Matsumoto

  11. Influence of uneven interface between steel and oxide scale on deformation behavior of oxide scale in hot ring compression

    Article • Procedia Manufacturing, January 2018, Elsevier

    Ryo Matsumoto

  12. Forming accuracy improvement by double-side incremental forming

    Article • Procedia Manufacturing, January 2018, Elsevier

    Ryo Matsumoto

  13. Reduction in axial forging load by low-frequency torsional oscillation in cold upsetting

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

    Ryo Matsumoto

  14. Formation of roll coating in cold rolling of titanium sheets

    Article • Procedia Engineering, January 2017, Elsevier

    Ryo Matsumoto

  15. Deformation and Density Change of Open-Cell Nickel Foam in Compression Test

    Article • MATERIALS TRANSACTIONS, January 2017, Japan Institute of Metals

    Ryo Matsumoto

  16. Finite Element Analysis of Plastic Instability Phenomenon in Cold Rolling of Clad Sheets

    Article • Procedia Engineering, January 2017, Elsevier

    Ryo Matsumoto

  17. Mechanism of the Unusual Wetting of a Surface Fine Crevice Structure Created by Laser Irradiation

    Article • MATERIALS TRANSACTIONS, January 2017, Japan Institute of Metals

    Ryo Matsumoto

  18. Characterization of surface profile of shot peened cemented tungsten carbide dies with micro valleys and their lubrication performance in cold forging

    Article • Procedia Engineering, January 2017, Elsevier

    Ryo Matsumoto

  19. Friction Stir Incremental Forming of Preformed Sheets with Improving Bending Stiffness

    Article • Procedia Engineering, January 2017, Elsevier

    Ryo Matsumoto

  20. Development of Friction Stir Incremental Forming Process Using Penetrating Tool

    Article • Procedia Engineering, January 2017, Elsevier

    Ryo Matsumoto

  21. Improvement of Forming Limit and Accuracy in Friction Stir Incremental Forming with Multistage Forming

    Article • Procedia Engineering, January 2017, Elsevier

    Ryo Matsumoto

  22. Enhancement of Forging Limit by Using Servo Press

    Article • Journal of the Japan Society for Technology of Plasticity, January 2017, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  23. Filling of surface pores of aluminum foam with polyamide by selective laser melting for improvement in mechanical properties

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

    Ryo Matsumoto

  24. Effects of TiCN Composite Die with Low Thermal Conductivity on Hot Forging Performances

    Article • Journal of Mechanics Engineering and Automation, February 2016, David Publishing Company

    Ryo Matsumoto

  25. Die motion control for die-quench forging process of AA6061 aluminum alloys

    Article • CIRP Annals, January 2016, Elsevier

    Ryo Matsumoto

  26. Joining of Copper Plates by Unusual Wetting with Liquid Tin and Tin–Lead Solder on “Surface Fine Crevice Structure”

    Article • MATERIALS TRANSACTIONS, January 2016, Japan Institute of Metals

    Ryo Matsumoto

  27. Wettability of Liquid Bi, In and Sn on Surface Fine Crevice Sructure of Laser-Irradiated Solid Iron Substrate

    Article • Journal of Smart Processing, January 2016, Sumart Processing Society for Minerals, Environment and Energy

    Ryo Matsumoto

  28. Thickness increase of skin layer on aluminum foam surface and compressive strength by combination of friction stir incremental forming and incremental hammering

    Article • Journal of Japan Institute of Light Metals, January 2016, Japan Institute of Light Metals

    Ryo Matsumoto

  29. Selective Laser Melting on Aluminum Foam Surface and Mechanical Properties of Fabricated Aluminum Foam with Nonporous Surface Layer

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

    Ryo Matsumoto

  30. Fabrication of skin layer on aluminum foam surface by friction stir incremental forming and its mechanical properties

    Article • Journal of Materials Processing Technology, April 2015, Elsevier

    Ryo Matsumoto

  31. Influence of Oxide Scale Formed on Chrome Steel Surface in Steam Atmosphere on Deformation Behavior of Chrome Steel in Hot Ring Compression

    Article • ISIJ International, January 2015, Iron and Steel Institute of Japan

    Ryo Matsumoto

  32. Metal–Metal Joining by Unusual Wetting on Surface Fine Crevice Structure Formed by Laser Treatment

    Article • MATERIALS TRANSACTIONS, January 2015, Japan Institute of Metals

    Ryo Matsumoto

  33. Determination of flow stress equation of Al–Mg alloy for sheet metal forming analysis

    Article • Journal of Japan Institute of Light Metals, January 2015, Japan Institute of Light Metals

    Ryo Matsumoto

  34. Cold Forging of Commercial AZ31B Magnesium Alloy

    Article • Journal of the Japan Society for Technology of Plasticity, January 2015, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  35. Die quenching limit of AA2024 aluminum alloy billet on servo press

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

    Ryo Matsumoto

  36. Influence of the press ram motion on the joining characteristics during indentation plastic joining using a servo press

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

    Ryo Matsumoto

  37. Residual Stress Distribution through Thickness in Cold-Rolled Aluminum Sheet

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

    Ryo Matsumoto

  38. Friction in Hot Forging of Chrome Steel Covered with Oxide Scale Film Generated at Steam Atmosphere

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

    Ryo Matsumoto

  39. Filling of Surface Pores on Aluminum Foam with Aluminum Powder by Selective Laser Melting

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

    Ryo Matsumoto

  40. Morphology of Edge Cracks of Rolled Magnesium Alloy Sheet

    Article • Advanced Materials Research, May 2014, Trans Tech Publications

    Ryo Matsumoto

  41. Microstructure of Oxide Scale on Hot-Rolled Iron

    Article • Advanced Materials Research, May 2014, Trans Tech Publications

    Ryo Matsumoto

  42. Punch Wear in the Forming of Deep Holes with Pulse Ram Motion on a Servo Press

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

    Ryo Matsumoto

  43. Microstructural Evolution of AA5052 Alloy Sheets in High-Speed Rolling

    Article • Advanced Materials Research, May 2014, Trans Tech Publications

    Ryo Matsumoto

  44. Feasibility Study on Die Quenching of AA2024 Aluminum Alloy Billet Using Servo Press

    Article • Advanced Materials Research, May 2014, Trans Tech Publications

    Ryo Matsumoto

  45. Experimental and numerical analysis of friction in high aspect ratio combined forward-backward extrusion with retreat and advance pulse ram motion on a servo press

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

    Ryo Matsumoto

  46. Reduction of friction of steel covered with oxide scale in hot forging

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

    Ryo Matsumoto

  47. Deformation Processes of Porous Metals and Metallic Foams (Review)

    Article • Procedia Materials Science, January 2014, Elsevier

    Ryo Matsumoto

  48. Flattening of Surface Grooves in Cold Flat Rolling

    Article • Procedia Engineering, January 2014, Elsevier

    Ryo Matsumoto

  49. Fabrication of Nonporous Layer on Surface of ALPORAS by Friction Stir Incremental Forming

    Article • Procedia Materials Science, January 2014, Elsevier

    Ryo Matsumoto

  50. Two-Step Die Motion for Die Quenching of AA2024 Aluminum Alloy Billet on Servo Press

    Article • MATERIALS TRANSACTIONS, January 2014, Japan Institute of Metals

    Ryo Matsumoto

  51. Identification of Friction Coefficient in High Aspect Ratio Combined Forward-backward Extrusion with Pulse Ram Motion on Servo Press

    Article • Procedia Engineering, January 2014, Elsevier

    Ryo Matsumoto

  52. Formation mechanism of surface scale defects in hot rolling process

    Article • CIRP Annals, January 2014, Elsevier

    Ryo Matsumoto

  53. Indentation Joining with Oscillation Using Servo Press

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2014, Japan Welding Society

    Ryo Matsumoto

  54. Research on Metal Forming Processes with Press Ram Motion Control

    Article • Journal of the Japan Society for Technology of Plasticity, January 2014, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  55. Cold Piercing of Cylindrical Aluminum Billet with Counter Punch Pressure

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

    Ryo Matsumoto

  56. Shape accuracy in the forming of deep holes with retreat and advance pulse ram motion on a servo press

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

    Ryo Matsumoto

  57. Forging induces changes in the formability and microstructure of extruded Mg 96 Zn 2 Y 2 alloy with a long-period stacking order phase

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

    Ryo Matsumoto

  58. Lubrication using porous surface layer for cold drawing of steel wire

    Article • CIRP Annals, January 2013, Elsevier

    Ryo Matsumoto

  59. Dry and Semi-Dry Forging

    Article • Journal of the Japan Society for Technology of Plasticity, January 2013, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  60. Influence of Thermal Conductivity of Die Material on Hot Forging Characteristics

    Article • Journal of the Japan Society for Technology of Plasticity, January 2013, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  61. Beyond metal forming limit of aluminum alloys

    Article • Journal of Japan Institute of Light Metals, January 2013, Japan Institute of Light Metals

    Ryo Matsumoto

  62. Advanced Materials Design with Forming

    Article • November 2012, Springer Science + Business Media

    Ryo Matsumoto

  63. Comparison between the RCF Performance of TiN- and TiO2-Laser Coated Ti64 Bearings

    Article • Advanced Materials Research, September 2012, Trans Tech Publications

    Ryo Matsumoto

  64. Evaluation ofr-value of steels using Vickers hardness test

    Article • Journal of Physics Conference Series, August 2012, Institute of Physics Publishing

    Ryo Matsumoto

  65. Influence of scale on hot rolling characteristics of Si-bearing steel sheets

    Article • Journal of Physics Conference Series, August 2012, Institute of Physics Publishing

    Ryo Matsumoto

  66. Improvement in rolling workability of Fe3Al by high-speed rolling

    Article • Journal of Physics Conference Series, August 2012, Institute of Physics Publishing

    Ryo Matsumoto

  67. Application of mixture rule to finite element analysis for forging of cast Mg–Zn–Y alloys with long period stacking ordered structure

    Article • Materials Science and Engineering A, June 2012, Elsevier

    Ryo Matsumoto

  68. Cold Backward Extrusion of Titanium Billet with Pulsating Lubricant Supply on Servo Press

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

    Ryo Matsumoto

  69. Wear Resistance Improvement of Titanium Bearings by Laser Gas Nitriding

    Article • Applied Mechanics and Materials, January 2012, Trans Tech Publications

    Ryo Matsumoto, Dr Hitonobu Koike

  70. Rolling Contact Fatigue of Titanium Alloys Coated by Gas Nitriding Using a Q-Sw Laser

    Article • Applied Mechanics and Materials, July 2011, Trans Tech Publications

    Ryo Matsumoto, Dr Hitonobu Koike

  71. Control of Hardness Distribution in Fabrication ofFunctionally Graded Cemented Carbide Model

    Article • Journal of the Japan Society for Technology of Plasticity, January 2011, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  72. Prevention of galling in forming of deep hole with retreat and advance pulse ram motion on servo press

    Article • CIRP Annals, January 2011, Elsevier

    Ryo Matsumoto

  73. Ductility of a magnesium alloy in warm forging with controlled forming speed using a CNC servo press

    Article • Journal of Materials Processing Technology, November 2010, Elsevier

    Ryo Matsumoto

  74. Ductility improvement methods for commercial AZ31B magnesium alloy in cold forging

    Article • Transactions of Nonferrous Metals Society of China, July 2010, Elsevier

    Ryo Matsumoto

  75. Fabrication of aluminium foams from powder by hot extrusion and foaming

    Article • Journal of Materials Processing Technology, June 2010, Elsevier

    Ryo Matsumoto

  76. Indentation Joining Process with Bar Oscillation on Servo-controlled Press

    Article • Journal of the Japan Society for Technology of Plasticity, January 2010, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  77. Forgeability and Flow Stress of Mg-Zn-Y Alloys with Long Period Stacking Ordered Structure at Elevated Temperatures

    Article • MATERIALS TRANSACTIONS, January 2009, Japan Institute of Metals

    Ryo Matsumoto

  78. Indentation Joining Process for Steel Bar ^|^ndash; Aluminium Plate

    Article • Journal of the Japan Society for Technology of Plasticity, January 2009, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  79. Improvement of Forgeability of a Commercial AZ31B Magnesium Alloy in Cold Backward Extrusion with Counter Pressure

    Article • MATERIALS TRANSACTIONS, January 2008, Japan Institute of Metals

    Ryo Matsumoto

  80. New plastic joining method using indentation of cold bar to hot forged part

    Article • CIRP Annals, January 2008, Elsevier

    Ryo Matsumoto

  81. Friction and Adhesion in Dry Warm Forging of Magnesium Alloy with Coated Tools

    Article • Journal of Solid Mechanics and Materials Engineering, January 2007, Japan Society of Mechanical Engineers

    Ryo Matsumoto

  82. Effect of heat treatment on forgeability of AZ31 magnesium alloy

    Article • Journal of Japan Institute of Light Metals, January 2007, Japan Institute of Light Metals

    Ryo Matsumoto

  83. Fracture of Magnesium Alloy in Cold Forging

    Article • CIRP Annals, January 2007, Elsevier

    Ryo Matsumoto

  84. Evaluation of Semidry Friction of Aluminium Alloyby Tapered Plug Penetration Test

    Article • Journal of the Japan Society for Technology of Plasticity, January 2007, The Japan Society for Technology and Plasticity

    Ryo Matsumoto

  85. Cold piercing of magnesium alloy billet with high aspect ratio

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

    Ryo Matsumoto

  86. Precision Extrusion Methods with Double Axis Servo-Press using Counter Pressure

    Article • CIRP Annals, January 2005, Elsevier

    Ryo Matsumoto

  87. Development of Warm Forging Method for Magnesium Alloy

    Article • MATERIALS TRANSACTIONS, January 2004, Japan Institute of Metals

    Ryo Matsumoto

  88. Measurement of Friction in Cold Upsetting with Mist Lubrication

    Article • MATERIALS TRANSACTIONS, January 2004, Japan Institute of Metals

    Ryo Matsumoto

  89. Lubrication and Friction of Magnesium Alloys in Warm Forging

    Article • CIRP Annals, January 2002, Elsevier

    Ryo Matsumoto

  90. Fundamental Study of Dry Metal Forming with Coated Tools

    Article • CIRP Annals, January 2000, Elsevier

    Ryo Matsumoto