By: W.K. Chan, C.T. Kwok, K.H. Lo Department of Electromechanical Engineering, University of Macau Duplex stainless steels (DSSs), with a dual phase ferrite–austenite microstructure, have been widely used as the structural components for chemical industries, oil and gas production and offshore applications due to its outstanding corrosion resistance in chloride-containing environments. However, depletion of chromium and […]
Laser Welding
Remote Laser Welding of Zinc-Coated Sheetmetal Component in a Lap Configuration Utilizing Humping Effect
By: Hongping Gu and Boris Shulkin Stronach Centre for Innovation (SCFI) With the advancement of high power fiber delivery lasers, remote laser welding becomes a reality and furthermore cost reduction on a new laser system in recent years drives adoption of laser welding process into production lines. Remote laser welding takes the advantages of less […]
Laser Welding of Micro-VLE-Measurement Device and its Practical Application
By: Marika Hirvimäki, Heidi Piili, Arttu Jussila, Tuomas Purtonen, Matti Manninen, Petri Uusi-Kyyny, Aarne Sundberg, Ville Alopaeus, Antti Salminen Lappeenranta University of Technology, Finland Aalto University, Department of Biotechnology and Chemical Technology, Finland Machine Technology Centre Turku Ltd, Finland The knowledge of phase equilibrium is critical for the modeling and operation of reactors and separation units. […]
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 […]
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 […]