Topic
Heat-affected zone
About: Heat-affected zone is a research topic. Over the lifetime, 18787 publications have been published within this topic receiving 231744 citations.
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09 Mar 1998TL;DR: Stir friction welding as mentioned in this paper is a technique that involves applying force to plunge a nonconsumable, rotating welding post into the region to be welded, which at least partially melts the material being welded.
Abstract: Stir friction welding is accomplished by applying force to plunge a nonconsumable, rotating welding post into the region to be welded. The rotation creates friction which at least partially melts the material to be welded, as the welding post penetrates. The force is continued, causing the post to continue to penetrate. A set of rollers associated with the welding head eventually reaches the surface of the workpiece when the welding post reaches the proper depth, and prevents further penetration of the welding post. In one embodiment of the invention, the rollers have crowned surfaces, and the force is applied by a hydraulic cylinder.
95 citations
TL;DR: In this paper, the effects of heat input and welding layer number on residual stresses and deformation in the repair weld of a stainless steel clad plate by finite element method have been studied.
95 citations
TL;DR: In this article, the tensile strength of AA5754/Ti6Al4V joints performed by high speed Yb:YAG laser welding is determined by morphology and phase content of dissimilar interface formed between contacting Al-rich and Ti-rich melted zones.
95 citations
TL;DR: In this article, the microstructure, microhardness, and tensile properties of 8mm thick hot rolled and quenched S960 high strength low alloy (HSLA) steel plates were welded using a 16kW fiber laser system.
95 citations
TL;DR: In this article, the effect of welding energy on joint strength, failure behavior and microstructure of Al-Cu ultrasonic welding was investigated in the joining of dissimilar materials.
Abstract: Ultrasonic welding is attracting increasing attentions in joining of dissimilar materials. The effect of welding energy on joint strength, failure behaviour and microstructure of Al–Cu ultrasonic w...
95 citations