Journal ArticleDOI
Corrosion–fatigue crack growth in friction stir welded Al 7050
TLDR
In this article, fatigue crack growth rates in friction stir welds in both air and 3.5% NaCl solution were found to be significantly lower and ΔKth significantly higher than those in the base metal.About:
This article is published in Scripta Materialia.The article was published on 2001-09-12. It has received 146 citations till now. The article focuses on the topics: Crack closure & Corrosion fatigue.read more
Citations
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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
Recent Developments in Friction Stir Welding of Al-alloys
Gürel Çam,Selcuk Mistikoglu +1 more
TL;DR: In this paper, the microstructures and mechanical properties of friction stir welded Al-alloys existing in the open literature are discussed in detail in order to highlight the correlations between weld parameters used during FSW and the micro-structures evolved in the weld region and thus mechanical properties.
Journal ArticleDOI
Structure-property correlations in Al 7050 and Al 7055 high-strength aluminum alloys
TL;DR: In this article, the information available from different studies conducted on alloys Al 7050 and Al 7055 was collated to prepare maps that are intended to serve as guides to design aluminum alloys with desired combination of properties.
References
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Journal ArticleDOI
Properties of friction-stir-welded 7075 T651 aluminum
TL;DR: Friction stir welding (FSW) was used to weld 7075 T651 aluminum, an alloy considered essentially unweldable by fusion processes as discussed by the authors, which exposed the alloy to a short time, high-temperature spike, while introducing extensive localized deformation.
Journal ArticleDOI
Effects of friction stir welding on microstructure of 7075 aluminum
TL;DR: 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.
Journal ArticleDOI
Friction-stir welding effects on microstructure and fatigue of aluminum alloy 7050-T7451
TL;DR: In this paper, the effects of friction-stir welded aluminum alloy 7050 in a T7451 temper to investigate the effects on the microstructure and mechanical properties were investigated.
Journal Article
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
Journal ArticleDOI
Mechanisms of Slow Fatigue Crack Growth in High Strength Aluminum Alloys: Role of Microstructure and Environment
TL;DR: In this article, the role of microstructure and environment in influencing ultra-low fatigue crack propagation rates has been investigated in 7075 aluminum alloy heat-treated to underaged, peak-aged, and overaged conditions and tested over a range of load ratios.