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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TL;DR: In this paper, the effect of zirconium additions on the impact toughness of the heat affected zone in a high strength low alloy pipeline steel was studied, and the corresponding toughening mechanism examined when the welding was conducted with large heat input.
94 citations
Patent•
27 Sep 1991
TL;DR: In this paper, a process for welding a gamma-prime precipitation-strengthened nickel base superalloy by heating the weld area and adjacent region to a ductile temperature was described.
Abstract: A process is provided for welding a gamma-prime precipitation-strengthened nickel base superalloy by heating the weld area and adjacent region to a ductile temperature, welding while maintaining the entire weld area and adjacent region at the ductile temperature and holding the weldment, weld area and adjacent region at the ductile temperature until the entire weld has solidified. The ductile temperature is above the aging temperature but below the incipient melting temperature of the superalloy.
94 citations
01 Jan 2005
TL;DR: In this paper, the magnetic pulse welding (MPW) is used to drive the primary metal against the target metal sweeping away surface contaminants while forcing intimate metal-tometal contact, thereby producing a solid-state weld.
Abstract: The magnetic pulse welding (MPW) is a cold weld process of conductive metals to the similar or dissimilar material. MPW uses magnetic pressure to drive the primary metal against the target metal sweeping away surface contaminants while forcing intimate metal-tometal contact, thereby producing a solid-state weld. In this paper the MPW method and its application for several aluminium alloy (A1050, A2017, A3004, A5182, A5052, A6016, and A7075) and steel (SPCC) sheets joint were investigated and the process parameters and welding characteristics are reported.
94 citations
TL;DR: In this paper, a tapered thread tool with triple facets was designed and tested for high depth-to-width ratio friction stir welding at a rotational speed of 800-rpm and a welding speed of 30mm/min.
94 citations
TL;DR: In this article, the effect of welding parameters on the hybrid weldability was investigated concerning the bead shape, hardness, tensile properties and microstructures of welded joints compared with those of a fiber laser welded joint.
94 citations