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.
Papers published on a yearly basis
Papers
More filters
••
TL;DR: In this article, a lightweight ZEK100-O Mg alloy and Al6022-T43 Al alloy with an Ag interlayer were joined via ultrasonic spot welding (USW), focusing on the microstructural change and tensile lap shear strength of the welded joints in relation to welding energy.
33 citations
••
33 citations
••
TL;DR: In this article, the effects of the silicon carbide (SiC) nanoparticles on the metallurgical and mechanical properties were discussed, and the effect of particles on tensionhear and wear tests were also investigated.
Abstract: In this study, the Friction stir spot welding (FSSW) of 2024-T3 aluminum alloy with 1.6 mm thickness was investigated. The effects of the silicon carbide (SiC) nanoparticles on the metallurgical and mechanical properties were discussed. The effects of particles on tensionshear and wear tests were also investigated. The process was conducted at a constant rotational speed of 1000 rpm. Results showed that adding SiC nanoparticles to the weld during FSSW had a major effect on the mechanical properties. In fact, the addition of nanoparticles as barriers prevented grain growth in the Stir zone (SZ). The data obtained in the tensile-shear and wear tests showed that tensile-shear load and wear resistance increased with the addition of SiC nanoparticles, which was attributed to the fine grain size produced in the SZ.
33 citations
••
TL;DR: Refill friction stir spot welding involves a 3-piece tool consisting of a clamping ring, with rotating inner sleeve and pin components made of tool steel to join thin sheets as discussed by the authors, and during the welding process, the tool and pin component rotate to generate frictional heat, and weld two overlapping Al-alloy sheets.
33 citations
•
TL;DR: In this article, the authors investigated key factors that contribute to the formation of shrinkage voids in resistance spot welds of advanced high-strength steels, and proposed a method to solve the problem.
Abstract: Key factors that contribute to the formation of shrinkage voids in resistance spot welds of advanced high-strength steels were investigated.
33 citations