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Design & Manufacturing
Laser-Based Manufacturing Laboratory
H. L. Tsai
To conduct basic and applied research in laser welding, cutting, drilling, cladding, surface treating, marking, micromachining, rapid prototyping via direct metal deposition.
Keyhole Formation and Collapse
LaserMaterial (Powder or Wire) Interaction
Fit-up Problems in Laser Welding
Aluminum Laser Welding
Rapid Prototyping via Direct Metal Deposition
A CO2 Laser System: 1700W (CAW), 7500W (Pulse), 4-Axis (24" x 24" x 10" and Rotary Table) Motion System, Frequency Range: 0 ~ 1 kHz, Spot Size < 0.2 mm, Fully PC Controlled Operations. Convergent Energy ARROW Ultimate Model.
A Nd:YAG Laser System: 75W (CAW), 125kW (Pulse), Low Divergence, TEM00 and Multimode, Q-Switched, Pulse Width: 1 to 1000 Ls, Spot Size < 1 Lm, Resolution < 0.2 Lm, Fully PC Controlled Galvo Operations. Lee Laser 818TQ-40 Model.
Weld Sample Preparation Facilities: Cutter, Mounting Press, Grinder/Polisher.
Weld Sample Testing Facilities: Microindenter, Stereo and Metallurgical Microscopes, Metallographic Imaging Analysis System, Laser Power and Energy Analyzer System, Gas Mixer, and several camera systems.
U.S. Army Research Office
Manufacturing Research and Training Center
U.M. Research Board
Watlow Heater Technology Center
Principle Investigator and Contact: Professor Hai-Lung Tsai, phone: 573-341-4945, fax: 573-341-4115, e-mail: email@example.com