Single-Side Resistance Spot Welding Process for Joining Pipes and Sheets
Hitomi Nishibata, Shota Kikuchi, Manabu Fukumoto,
and Masato Uchihara
Sumitomo Metal Industries, Ltd. (Now at Nippon Steel & Sumitomo Metal Corporation), 1-8 Fuso-cho, Amagasaki, Hyogo 660-0891, Japan
This paper describes a Single-Side resistance Spot Welding (SSSW) process which is expected to be a productive welding technology for the joining of stamped sheet panels to hollow parts for auto bodies. To obtain guidelines for making a sound weld with the SSSW process, the effects of welding parameters and the alignment of specimens on nugget growth are investigated experimentally. In addition, a numerical study is carried out to discuss the mechanism of nugget growth in the SSSW process.
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