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This paper studied the effect of laser welding technology on dissimilar metal welding joints of TA15 titanium alloy and Inconel 718 nickel-based alloy. The research results indicate that the laser welding of TA15 titanium alloy and Inconel 718 nickel-based alloy directly was difficult to form well, which due to the intermetallic compounds caused the joint brittle. When the pure Cu foil was used as...
The refractory alloy 50Mo–50Re thin sheet was welded successfully by small-scale laser lap welding. There were obvious gas pores and cracks near the interface of the laser lap-welded joint. The hardness (HV420) near the interface zone of laser lap-welded joint was obviously higher than that in the heat-affected zone (HV370) and base metal (HV290). The fracture morphology near the interface zone shows...
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