Journal ArticleDOI
Friction stir additive manufacturing for high structural performance through microstructural control in an Mg based WE43 alloy
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In this article, a multilayered stack of an Mg-based WE43 alloy was built using FSAM at two different welding parameters, and the maximum hardness of 115 HV was obtained in as-fabricated state and increased to 135 HV after aging.About:
This article is published in Materials & Design.The article was published on 2015-01-01. It has received 179 citations till now. The article focuses on the topics: Friction stir welding & Dynamic recrystallization.read more
Citations
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The metallurgy and processing science of metal additive manufacturing
TL;DR: In this article, a review of additive manufacturing (AM) techniques for producing metal parts are explored, with a focus on the science of metal AM: processing defects, heat transfer, solidification, solid-state precipitation, mechanical properties and post-processing metallurgy.
Journal ArticleDOI
3D printing in aerospace and its long-term sustainability
TL;DR: In this article, the authors take stock of the popular 3D printing processes in aerospace and discuss drawbacks of the printed components while discussing drawbacks of 3D printed components in terms of type, quality, and quantity.
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The double-edge effect of second-phase particles on the recrystallization behaviour and associated mechanical properties of metallic materials
TL;DR: In this article, a review article summarizes the recent progresses on the complex interaction between second-phase particles and recrystallization and the science behind them, and concludes that the double-edge effect of second phase particles on the behavior and mechanical properties of metallic materials is still far from being clear.
Journal ArticleDOI
Friction stir based welding and processing technologies - processes, parameters, microstructures and applications: A review
G.K. Padhy,Chuansong Wu,S. Gao +2 more
TL;DR: Friction stir welding (FSW) has achieved remarkable success in the joining and processing of aluminium alloys and other softer structural alloys, however, it has not been entirely successful in the manufacturing of different desired materials essential to meet the sophisticated green globe requirements as discussed by the authors.
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An overview of residual stresses in metal powder bed fusion
Jamison L. Bartlett,Xiaodong Li +1 more
TL;DR: In this paper, the authors survey and assemble the knowledge existing in the literature regarding residual stresses in powder bed fusion (PBF) processes, highlighting the anisotropic nature of the stress fields.
References
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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.
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The activity of non-basal slip systems and dynamic recovery at room temperature in fine-grained AZ31B magnesium alloys
Junichi Koike,Takayuki Kobayashi,Toshiji Mukai,H. Watanabe,Mayumi Suzuki,Kouichi Maruyama,Kenji Higashi +6 more
TL;DR: In this paper, fine-grained alloys of Mg-3Al-1Zn-0.2Mn in wt.% were obtained by an equal-channel angular extrusion technique and subsequent annealing at elevated temperatures.
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Progress in Additive Manufacturing and Rapid Prototyping
TL;DR: Rapid prototyping generally refers to techniques that produce shaped parts by gradual creation or addition of solid material, therein differing fundamentally from forming and material removal manufacturing techniques as mentioned in this paper. But it is not suitable for all applications.
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Precipitation and Hardening in Magnesium Alloys
TL;DR: In this paper, a review of precipitation in most precipitation-hardenable magnesium alloys is reviewed, and its relationship with strengthening is examined, and it is demonstrated that the precipitation phenomena in these alloys, especially in the very early stage of the precipitation process, are still far from being well understood, and many fundamental issues remain unsolved even after some extensive and concerted efforts made in the past 12 years.