Abstract

Commercially pure titanium and stainless steel sheets were welded using resistance spot welding with interlayer of Nb. The interfacial microstructure was observed, the effects of welding current on nugget diameter and tensile shear load were investigated deeply. The results show that the interfacial reaction products were consisted of Nb and FeNb eutectic structure. The joint with the maximum tensile shear load of 5.61kN was obtained at the condition of 10 kA. It reveals that it is effective to weld titanium and stainless steel using resistance spot welding with an interlayer of Nb.

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