Study of resistance spot weldability of a new stainless steel
Authors:
- 1 February 2019
- journal article
- research article
- Published by SAGE Publications in Science and Technology of Welding and Joining
- Vol. 24 (2) , 101-111
Abstract
The weldability of a newly developed stainless steel was investigated by comparing with hot-dipped galvanised dual phase and low carbon steels in a two-sheet stack-up of similar metal. The weld lobes, mechanical properties, weld morphology, microstructures and microhardness profiles of the welds made with the three materials were comparatively discussed. Results showed that significant softening was observed in the stainless steel weld nugget. Compared to the dual phase steel and low carbon steel, the stainless steel has a very narrow weld lobe but requires lower welding current and shorter welding time, and the stainless steel weld performed better mechanical properties in the case of welds with same nugget size, but it tended to exhibit interfacial fracture in tensile shear tests.Keywords
Funding Information
- National Natural Science Foundation of China (U1764251, U1564204, 51322504)
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