All Stories

  1. New measurement technique of ductility curve for ductility-dip cracking susceptibility in Alloy 690 welds

    Article • Materials Science and Engineering A, August 2016, Elsevier

    Professor Motomichi Yamamoto

  2. Evaluation of Solidification Cracking Susceptibility for Austenitic Stainless Steel during Laser Trans-Varestraint Test Using Two-dimensional Temperature Measurement

    Article • ISIJ International, January 2016, Iron and Steel Institute of Japan

    Professor Motomichi Yamamoto

  3. Hot-wire Laser Welding Process Using Laser Diode for Large-Diameter Pipe with Narrow Gap Joint

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2015, Japan Welding Society

    Professor Motomichi Yamamoto

  4. Welding Phenomena during Vertical Welding on Thick Steel Plate using Hot-wire Laser Welding Method

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2015, Japan Welding Society

    Professor Motomichi Yamamoto

  5. Investigation of Evaluation Method for Hot Cracking Susceptibility of 310S Stainless Steel during Laser Welding using Trans-Varestraint Test

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2015, Japan Welding Society

    Professor Motomichi Yamamoto

  6. In-situ Temperature Measurement using a Multi-sensor Camera during Laser Welding

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2015, Japan Welding Society

    Professor Motomichi Yamamoto

  7. Weld Defect Prevention for Fillet Welded Joints on Steel Plates Coated with Shop Primer using Hot-wire Laser Welding

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2015, Japan Welding Society

    Professor Motomichi Yamamoto

  8. In Situ Observation Method for Quantitative Evaluation of Solidification Phenomena and Solidification Cracks during Welding

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

    Professor Motomichi Yamamoto

  9. Solidification cracking susceptibility of modified 9Cr1Mo steel weld metal during hot-wire laser welding with a narrow gap groove

    Article • Welding in the World, March 2014, Springer Science + Business Media

    Professor Motomichi Yamamoto

  10. The effect of welding conditions on solidification cracking susceptibility of type 310S stainless steel during laser welding using an in-situ observation technique

    Article • Welding in the World, March 2013, Springer Science + Business Media

    Professor Motomichi Yamamoto

  11. Material Flow on Dissimilar Friction Stir Spot Welded Joints of Mg Alloys

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2013, Japan Welding Society

    Professor Motomichi Yamamoto

  12. Development of a Heat Source Model for Narrow-gap Hot-wire Laser Welding

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2013, Japan Welding Society

    Professor Motomichi Yamamoto

  13. Bead formation and wire temperature distribution during ULTRA-HIGH-SPEED GTA WELDING using pulse-heated hot-wire

    Article • Welding in the World, March 2011, Springer Science + Business Media

    Professor Motomichi Yamamoto

  14. A Preface

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2011, Japan Welding Society

    Professor Motomichi Yamamoto

  15. Effects of Tool Geometry and Process Conditions on Material Flow and Strength of Friction Stir Spot Welded Joint

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2011, Japan Welding Society

    Professor Motomichi Yamamoto

  16. Development of Hot-wire Laser Welding Method for Lap Joint of Steel Sheet with Wide Gap

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2011, Japan Welding Society

    Professor Motomichi Yamamoto

  17. Development of High-efficiency / High-quality Hot-wire Laser Fillet Welding Process

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2011, Japan Welding Society

    Professor Motomichi Yamamoto

  18. Effect of Grain Size on Solidification Cracking Susceptibility of Type 347 Stainless Steel during Laser Welding

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2011, Japan Welding Society

    Professor Motomichi Yamamoto

  19. Prediction of occurrence of solidification cracking in weld metal

    Article • Welding International, December 2010, Taylor & Francis

    Professor Motomichi Yamamoto

  20. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2010, Japan Welding Society

    Professor Motomichi Yamamoto

  21. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2010, Japan Welding Society

    Professor Motomichi Yamamoto

  22. Precipitation and Cr depletion profiles of Inconel 182 during heat treatments and laser surface melting

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

    Professor Motomichi Yamamoto

  23. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2009, Japan Welding Society

    Professor Motomichi Yamamoto

  24. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2009, Japan Welding Society

    Professor Motomichi Yamamoto

  25. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2009, Japan Welding Society

    Professor Motomichi Yamamoto

  26. In-situ Observation of Solidification Cracking of Laser Dissimilar Welded Joints

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2009, Japan Welding Society

    Professor Motomichi Yamamoto

  27. Prediction of Solidification Cracking by In-situ Observation and 3D FEM-Analysis

    Article • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, January 2009, Japan Welding Society

    Professor Motomichi Yamamoto

  28. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2008, Japan Welding Society

    Professor Motomichi Yamamoto

  29. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2008, Japan Welding Society

    Professor Motomichi Yamamoto

  30. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2008, Japan Welding Society

    Professor Motomichi Yamamoto

  31. WELNET for Young Members

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2008, Japan Welding Society

    Professor Motomichi Yamamoto

  32. Local melting and tool slippage during friction stir spot welding of Al-alloys

    Article • Journal of Materials Science, November 2007, Springer Science + Business Media

    Professor Motomichi Yamamoto

  33. Formation and retention of local melted films in AZ91 friction stir spot welds

    Article • Journal of Materials Science, September 2007, Springer Science + Business Media

    Professor Motomichi Yamamoto

  34. Cracking in the stir zones of Mg-alloy friction stir spot welds

    Article • Journal of Materials Science, June 2007, Springer Science + Business Media

    Professor Motomichi Yamamoto

  35. Mechanism of cracking in AZ91 friction stir spot welds

    Article • Science and Technology of Welding & Joining, April 2007, Taylor & Francis

    Professor Motomichi Yamamoto

  36. My History for Welding

    Article • JOURNAL OF THE JAPAN WELDING SOCIETY, January 2007, Japan Welding Society

    Professor Motomichi Yamamoto

  37. Improvement on Fatigue Fracture Life of Welded Structures by Micro-structure in Steels

    Article • Journal of the Society of Naval Architects of Japan, January 2003, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  38. Crack Initiation Strength of Structural Steel Members Having Experienced Large Compressive Strain

    Article • January 2002, ASME International

    Professor Motomichi Yamamoto

  39. Effect of microstructure on fatigue properties of steels in Sea Water

    Article • Journal of the Society of Naval Architects of Japan, January 2002, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  40. Crack Initiation Strength of Structural Steel Members Having Experienced Large Compressive Strain due to Buckling Deformation (Fifth Report)

    Article • Journal of the Society of Naval Architects of Japan, January 2002, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  41. Crack Initiation Strength of Structural Steel Members Having Experienced Large Compressive Strain due to Buckling Deformation (Fourth Report)

    Article • Journal of the Society of Naval Architects of Japan, January 2001, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  42. Crack Initiation Strength of Structural Steel Members Having Experienced Large Compressive Strain due to Buckling Deformation (3 rd Report)

    Article • Journal of the Society of Naval Architects of Japan, January 1999, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  43. Crack Initiation Strength of Structural Steel Members Having Experienced Large Compressive Strain due to Buckling Deformation (2nd Report)

    Article • Journal of the Society of Naval Architects of Japan, January 1997, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  44. Crack Initiation Strength of Structural Steel Members Having Experienced Large Compressive Strain due to Buckling Deformation (1st Report)

    Article • Journal of the Society of Naval Architects of Japan, January 1995, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto

  45. Influence of Secondary Buckling on the Buckling/Plastic Collapse Behaviour of Plates

    Article • Journal of the Society of Naval Architects of Japan, January 1995, Japan Society of Naval Architects and Ocean Engineers

    Professor Motomichi Yamamoto