Preprints of the National Meeting of JWS
the national meeting 2007 spring
Session ID : 215
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Host: Japan Welding Society

Laser roll welding of low carbon steel (SPCC) and aluminum alloys (A5052) using 3.0 kW diode laser robot system
*Guojian Xu, Akihiko Tsuboi, Takemitsu Ogawa, Takeshi Ikeda, Muneharu Kutsuna
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Keywords: Diode laser, Laser roll welding, Inter-metallic compound (IMC), Ductile IMC, Brittle IMC
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Abstract
The welding conditions, thickness of inter-metallic compound (IMC) near the interface and interface temperature on welding characteristics of the SPCC steel and A5052 aluminum alloy were investigated using a 3.0 kW diode laser-roll welding system. The optimal welding conditions are travel speed of 0.5-1.0 m/min, pressure stress of 200-220 MPa and laser power of 2.4-2.8 kW. Thereat, uniform thickness of IMC is 8.0-10.0 micrometer, and, heating temperature in the interface is over 1173 K.
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© 2007 by Japan Welding Society
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