Topic
Spot welding
About: Spot welding is a research topic. Over the lifetime, 12491 publications have been published within this topic receiving 89845 citations. The topic is also known as: Spot_welding.
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TL;DR: In this paper, a commercial pure (CP) titanium sheets (ASTM Grade 2) were welded by resistance spot welding at different welding parameters and under different welding environments, and the welded joints were subjected to tensile-shearing tests in order to determine the strength of welded zones.
98 citations
TL;DR: In this paper, an innovative pathway was developed to obtain liquid metal embrittlement-free welds which is able to extend the weldable current range of the steels. But this pathway is limited by the high electrical resistivity of twinning induced plasticity steels, which makes their resistance spot welding difficult and limits their weldability.
97 citations
TL;DR: In this paper, the experimental and numerical results of friction stir spot welding of high density polypropylene were presented, where the experimental tests, conducted according to combinations of process factors such as tool rotation speed, plunge depth and dwell time at beginning welding, were carried out according to the Taguchi orthogonal table L9 in randomized way.
97 citations
TL;DR: In this paper, a Hall-Petch-type relationship between the dynamic recrystallized grain size and the Zener-Hollomon parameter was established, and microhardness tests showed that the hardness decreased with increasing energy input.
96 citations
03 Apr 2006
TL;DR: In this article, the authors compared three aluminium sheet joining processes to determine their capability, efficiency and cost for mass production applications in automotive structures and closures, including RSW, SelfPierce Riveting, and Spot Friction Joining.
Abstract: This work compares three aluminium sheet joining processes to determine their capability, efficiency and cost for mass production applications in automotive structures and closures. The joining processes investigated are Resistance Spot Welding (RSW), SelfPierce Riveting (SPR) and Spot Friction Joining (SFJ). Quantitative comparisons have been made on the basis of tensile strength (shear and peel), process time, equipment price and running cost. RSW is the most commonly employed joining method for steel sheet in the automotive industry. Its principle benefits are high speed and low cost operation, plus the ability to weld a wide range of joint configurations with the same gun. The main process limitations for aluminium are weld consistency and electrode-life, though recent work has shown that both of these can be largely overcome with regular electrode polishing
96 citations