Journal ArticleDOI
Microstructural aspects of the friction-stir welding of 6061-T6 aluminum
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This article is published in Scripta Materialia.The article was published on 1997-08-01. It has received 496 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
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
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.
Journal ArticleDOI
Continuous dynamic recrystallization during friction stir welding of high strength aluminum alloys
Kumar V. Jata,S. L. Semiatin +1 more
TL;DR: In this paper, the authors developed a basic understanding of the evolution of microstructure in the dynamically recrystallized region and to relate it to the deformation process variables of strain, strain rate, and temperature.
Journal ArticleDOI
Microstructure, mechanical properties and residual stresses as a function of welding speed in aluminium AA5083 friction stir welds
TL;DR: In this article, the results of microstructural, mechanical property and residual stress investigations of four aluminium AA5083 friction stir welds produced under varying conditions were reported, and it was found that the weld properties were dominated by the thermal input rather than the mechanical deformation by the tool.
References
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Journal ArticleDOI
Mechanism of dynamic continuous recrystallization during superplastic deformation in a microduplex stainless steel
TL;DR: In this article, microstructural evolution during the cyclic cold-rolling and annealing process in an (α + γ) microduplex stainless steel, which consists of α subgrains and fine γ particles, has been studied in detail with the aim of clarifying the mechanism of dynamic continuous recrystallization.
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Comparison of jetting-related microstructures associated with hypervelocity impact crater formation in copper targets and copper shaped charges
TL;DR: In this article, the shape charge jet and slug formation is characterized by dynamic recrystallization in a narrow flow zone where target material is jetted into the crater rim, and microbands are created in a zone removed from the crater wall in copper targets in response to hypervelocity impact.
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Dynamic recrystallization in detonating tantalum shaped charges: A mechanism for extreme plastic deformation
TL;DR: In this paper, a comparison of two different tantalum starting liner cones and corresponding recovered slugs and jet fragments for detonated shaped charges was performed using light and transmission electron microscopy observations.