Aluminum Welding with High Brightness Diode Lasers

By: Silke Pflueger Laserline Inc., Santa Clara, CA Why is Aluminum Welding such a Hot Topic? New CAFE standards demanding an average fleet gas mileage of 54.5 mpg by 2025 will not only require radical engine improvements, but also drastically weight reduced cars. Using aluminum instead of steel can decrease the weight of a car body […]

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Laser Welding: The Spatter Map

Alexander F. H. Kaplan and John Powell Luleå University of Technology, Dept. Applied Physics and Mechanical Engineering, Sweden Welding defects have to be suppressed to maintain the mechanical strength of a product under load. For suitable choice of the process parameters operating windows can be entered where a certain welding defect can be suppressed. However, […]

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Laser Applications in the Automotive Industry

By: Klaus Loeffler TRUMPF Laser und Systemtechnik GmbH, Ditzingen, Germany The automotive industry has been a target market for the laser soon after the invention of the laser in 1960. Mass production and flexibility have been the arguments for the laser. The first installations in 1973 all the way to late 1980 have been successful due […]

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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. […]

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Design of a Microdistillation Column

By: Matti Manninen, Aarne Sundberg, Heidi Piili, Antti Salminen Lappeenranta University of Technology, Laser Processing Research Group, Finland Aalto University, Department of Biotechnology and Chemical Technology, Finland Machine Technology Centre Turku Ltd, Finland Distillation is the predominantly used separation method in chemical engineering. The device presented in this paper is called a microdistillation column, because the […]

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