Journal ArticleDOI
Effects of friction stir welding on microstructure of 7075 aluminum
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In this article, the microstructural changes effected by friction stir welding of 7075 Al. were evaluated and the authors concluded that friction-stir welding has the potential to avoid significant changes in microstructure and mechanical properties.About:
This article is published in Scripta Materialia.The article was published on 1997-01-01. It has received 819 citations till now. The article focuses on the topics: Friction welding & Welding.read more
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Friction Stir Welding and Processing
Rajiv S. Mishra,Zongyi Ma +1 more
TL;DR: Friction stir welding (FSW) is a relatively new solid-state joining process that is used to join high-strength aerospace aluminum alloys and other metallic alloys that are hard to weld by conventional fusion welding as discussed by the authors.
Journal ArticleDOI
Principles of equal-channel angular pressing as a processing tool for grain refinement
TL;DR: In this article, a review examines recent developments related to the use of ECAP for grain refinement including modifying conventional ECAP to increase the process efficiency and techniques for up-scaling the procedure and for the processing of hard-to-deform materials.
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Recent advances in friction-stir welding : Process, weldment structure and properties
TL;DR: In this article, the authors deal with the fundamental understanding of the process and its metallurgical consequences, focusing on heat generation, heat transfer and plastic flow during welding, elements of tool design, understanding defect formation and the structure and properties of the welded materials.
Journal ArticleDOI
Friction stir welding of aluminium alloys
TL;DR: A comprehensive body of knowledge has built up with respect to the friction stir welding (FSW) of aluminium alloys since the technique was invented in 1991 is reviewed in this article, including thermal history and metal flow, before discussing how process parameters affect the weld microstructure and the likelihood of entraining defects.
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Microstructural investigation of friction stir welded 7050-T651 aluminium
TL;DR: In this paper, the grain structure, dislocation density and second phase particles in various regions including the dynamically recrystallized zone (DXZ), thermo-mechanically affected zone (TMAZ), and heat-affected zone (HAZ) of a friction stir weld aluminum alloy 7050-T651 were investigated and compared with the unaffected base metal.
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Friction stir process welds aluminium alloys : The process produces low-distortion, high-quality, low-cost welds on aluminium
C. J Dawes,W. M Thomas +1 more
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Identification of precipitates in 7075 Al after high-temperature aging
TL;DR: In this paper, the precipitates that form in 7075 aluminum during overaging at 400°C have the C14 crystal structure and can be described as Mg(Zn2,AlCu).