Abstract
The resistance spot welding between titanium and mild steel was carried out with and without an interlayer of Nb foil. The effect of interlayer Nb on the microstructure and performance of the joint was analyzed by comparing the two types of joints with and without interlayer. The results reveal that the part of the interlayer Nb disappeared when the welding current was above 8 kA in the selected interlayer Nb thickness of 0.1 mm. In the resistance spot welding between titanium and mild steel, the addition of the interlayer Nb can improve the microstructure and tensile shear load of the joint. When the welding current is 7 kA, the tensile shear load of the Ti/Nb/Q235 joint reaches the maximum value of 4.3 kN.
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The authors gratefully acknowledge funding from the International Cooperation Project of Henan Province (Grant No. 182102410066).
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Liu, C., Zhang, J., Shi, H. et al. Influence of Interlayer Nb on the Performance of Joint Between Titanium and Steel Welded by Resistance Spot Welding. J. of Materi Eng and Perform 31, 1155–1162 (2022). https://doi.org/10.1007/s11665-021-06229-7
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DOI: https://doi.org/10.1007/s11665-021-06229-7