Masahiro Tsukamoto
About Masahiro Tsukamoto
Masahiro Tsukamoto got his PhD from the Osaka University Graduate School of Engineering in 1994. His research field was nonlinear scattering of high intensity laser in expanding plasmas from fuel shell of laser nuclear fusion. Assistant professor of Joining and Welding Research Institute, Osaka University from 1994. From 1996 to 1998, he stayed in Lawrence Livermore National Laboratory, USA as a visiting scientist and was also postdoctoral fellowship for research abroad of Japan Society for the Promotion of Science. Associate professor of Osaka University from 2006.
Professor of Osaka University from 2017. Project leader of “Research and development of the laser coating technology to realize high value-added design and fabrication” in “Innovative Design/Manufacturing Technologies" of Cross-ministerial Strategic Innovation Promotion Program (2014-2018). Research and development manager of “Development of high intensity blue diode laser for next-generation additive manufacturing” in new energy and industrial technology development organization (NEDO) project “Research and development of next generation laser processing technology (2016-2020).
Program history
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45th Annual ICALEO (2026)
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3 presentations
- Highly Efficient Fabrication of Pure Copper Layers via Wire-Based Directed Energy Deposition with a Blue Diode Laser
- In-situ Observation of Molten Pool Behavior in High-Power Laser Keyhole Welding
- Linking Energy Conversion Efficiency to Weld Penetration in Blue–IR Hybrid Laser Welding of Pure Copper
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44th Annual ICALEO (2025)
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5 presentations
- Comparison of Keyhole and Molten Pool Behavior in Pure Copper Welding Using IR Laser with Ring Shape Formed by Diffractive Optical Element(DOE) and Blue-IR Hybrid Laser
- Development of Spatter Suppression Using Hybrid Laser with Blue and IR Lasers for Welding of Pure Copper
- Enhancement of Surface Quality in PBF-LB by Flat-Top Laser Beam Profile Control
- Multi-Beam Laser Metal Deposition of Pure Copper on a Titanium Substrate with Blue Diode Lasers for Surface Functionalization of Dental Implants
- Stabilization of Molten Pool Flow and Capillary Behavior through Beam Shaping in High-Power Laser Welding of Stainless Steel
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43rd Annual ICALEO (2024)
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9 presentations
- 3D Fabrication of Nickel Based Alloy by Powder Bed Fusion with Blue Diode Laser
- Development of Spatter Free Welding With High Power Laser Beam Welding for Stainless Steel
- Direct Formation of Pure Copper Layer on Aluminum Nitride by Multi-beam Laser Deposition with Blue Diode Lasers
- Dynamic Analysis of Spatter Generation Mechanism in Vacuum Laser Welding
- Effects of Beam Mode Parameters on Keyhole and Molten Pool Behavior in High-Power Laser Welding
- High Speed Pure Copper Layer Formation on Pure Copper Substrate with Multi-beam Laser Deposition System using High Intensity Blue Diode Laser
- Pure Copper Coating by Multi Beam Directed Energy Deposition With Blue Lasers for Antimicrobial Effect
- Suppression Effect of Cracks by Multi-Beam in Metal Layer Formation using Laser Directed Energy Deposition
- Suppression of Dilution for Nickel Based Super Alloy Coating by Multi-Beam Laser-Metal-Deposition With Blue Diode Lasers.
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42nd Annual ICALEO (2023)
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6 presentations
- Comparison of Melting Efficiency Between Blue, Green, and IR Lasers in Pure Copper Welding
- Comparison of Surface Integrity for Tungsten Plate with CW and Ultra Short Pulse Laser
- Comparison with Blue and IR Laser for Inconel Fabrication in Selective Laser Melting
- Effects of WC Ratios on Bead Size and Crack Initiation in Forming WC-Co Cemented Carbide by Laser Metal Deposition
- Elucidation of Spatter Generation Mechanism in Keyhole Welding of Stainless Steel With 16 kW Disk Laser by In-Situ Observation of Welding Dynamics
- Experimental Evaluation of WC-Co Alloy Layer Formation Process by Multi Beam Type Laser Metal Deposition With Blue Diode Lasers
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39th Annual ICALEO (2020)
- Track Chair, Laser Materials Macroprocessing
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4 presentations
- Development of Hybrid Laser Welding System With Blue Diode Laser and Single Mode Fiber Laser
- Development of SLM Process Using 200W Blue Diode Laser for Pure Copper Additive Manufacturing of High Density Structure
- Effect of Input Energy on Hardness and Surface Quality in Ti64 by Sputter-Less SLM with Modulated Pulse
- Pure Copper Rod Formation by Multi-Beam LMD Method With Blue Diode Lasers