Research on the laser lap welding of TC4 titanium alloy and L3 industrial pure aluminum dissimilar metal

Shunhong Liu; Junjie Ni; Xiong Zhou; Bin Wang; Xia Zhang

doi:10.1117/12.755087

4 January 2008 Research on the laser lap welding of TC4 titanium alloy and L3 industrial pure aluminum dissimilar metal

Shunhong Liu, Junjie Ni, Xiong Zhou, Bin Wang, Xia Zhang

Proceedings Volume 6825, Lasers in Material Processing and Manufacturing III; 682515 (2008) https://doi.org/10.1117/12.755087
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Investigated on TC4 titanium alloy and L3 pure aluminum laser welding of dissimilar metal, the width We of the lap joint was crucial for joint strength, and increased with the increasing of heat input, but if heat input was too high, the back of aluminum would burning loss, the joint strength would decline. Welding structures were related with penetration ratio θ, the larger the penetration ratio was, the easier the intermetallic compound formed, and the joint cracking and hardness were influenced. Choosing appropriate laser parameter, controlling aluminum melting amount, and ensuring joint width, we could acquire welding joint of meeting the need.

Citation Download Citation

Shunhong Liu, Junjie Ni, Xiong Zhou, Bin Wang, and Xia Zhang "Research on the laser lap welding of TC4 titanium alloy and L3 industrial pure aluminum dissimilar metal", Proc. SPIE 6825, Lasers in Material Processing and Manufacturing III, 682515 (4 January 2008); https://doi.org/10.1117/12.755087

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