Novel Processes in Laser Micro-fabrication and Micro-joining

By: Kazuyoshi Itoh, YasuyukiOzeki Department of Material and Life Science, Osaka University Focused ultrafast laser pulses can cause a variety of the structural modifications including void, damage, refractive index (RI) change, and crack, depending on materials and irradiation conditions such as pulse energy, pulse width and numerical aperture (NA) of the focusing lens. Among these modifications, […]

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High-Brightness Disk Laser Welding of Magnesium Alloys

By: Mohamed Wahba, Masami Mizutani, Yousuke Kawahito, Seiji Katayama Central Metallurgical Research & Development Institute, Egypt Graduate School of Engineering, Osaka University,  Japan Joining and Welding Research Institute, Osaka University, Japan Currently, the automotive industry is facing an increasing demand to increase fuel economy and reduce greenhouse gas emissions. Therefore, the trend is moving toward an […]

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Fiber Laser Blanking of Coil Strips at Extreme-Speed Extreme-Power

By: Dr. Charles Caristan and Jay Finn Air Liquide Industrial US LP, Automatic Feed Company The blanking process consisting of cutting flat panels directly out of a metal coil is practiced in the automotive industry to the tune of 10 MM tons of steel coils processed each year for the North American market alone.  Up […]

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Acoustic monitoring of weld penetration during laser welding of high strength steels

Acoustic monitoring of weld penetration during laser welding of high strength steels

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Simulation of Thin Metal Deformation by Laser Welding

A simulation model to predict the deformation in various welding sections

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