Journal ArticleDOI
Improvement of yield stress of friction-stirred Mg-Al-Zn alloys by subsequent compression
TLDR
In this paper, a post-FSP compressive strain of ∼6% could raise the yielding stress of the AZ61 alloy from 140 to 260 MPa by inducing deformation twins.About:
This article is published in Scripta Materialia.The article was published on 2007-05-01. It has received 41 citations till now. The article focuses on the topics: Friction stir processing & Deformation (engineering).read more
Citations
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Journal ArticleDOI
Recent Advances in Friction Stir Welding/Processing of Aluminum Alloys: Microstructural Evolution and Mechanical Properties
TL;DR: Friction stir welding (FSW) has been termed as green technology due to its energy efficiency and environment friendliness as mentioned in this paper, which is an enabling technology for joining metallic materials, in particular lightweight high-strength aluminum and magnesium alloys.
Journal ArticleDOI
Microstructure evolution during friction-stir welding of AZ31 magnesium alloy
TL;DR: The microstructure evolution of a typical hexagonal close-packed (HCP) material (AZ31 magnesium alloy) during friction stir welding was studied in a wide range of welding temperatures.
Journal ArticleDOI
Microstructural evolution of cast Mg–Al–Zn during friction stir processing and subsequent aging
TL;DR: In this article, a two-pass FSP with a pre-solution treatment (Pre-ST) and a single-pass with a Pre-ST FSP was used to produce uniform recrystallized microstructures with similar grain sizes of 7.5-8.7 mu m and high ratios of high-angle grain boundaries.
Journal ArticleDOI
Tensile behavior of friction-stir welded AZ31 magnesium alloy
TL;DR: In this article, electron backscatter diffraction (EBSD) and digital image correlation were employed to study tensile behavior of friction-stir welded magnesium alloy AZ31, and a substantial strain gradient was found lengthways in the stir zone.
Journal ArticleDOI
Effect of Friction Stir Processing Procedures on Microstructure and Mechanical Properties of Mg-Al-Zn Casting
TL;DR: In this article, a cast Mg-Al-Zn (AZ80) alloy was subjected to friction stir processing (FSP) with three different FSP procedures: single pass, single pass with a pre-solution treatment (pre-ST), and two pass.
References
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Journal ArticleDOI
High Strain Rate Superplasticity in a Friction Stir Processed 7075 Al Alloy
TL;DR: In this article, the authors reported the first results using friction stir processing (FSP) for aluminum alloys and showed that FSP of a commercial 7075 Al alloy resulted in significant enhancement of superplastic properties.
Journal ArticleDOI
Relationship between grain size and Zener¿Holloman parameter during friction stir processing in AZ31 Mg alloys
C.I. Chang,C.J. Lee,J.C. Huang +2 more
TL;DR: In this paper, the relationship between the resulting grain size and the applied working strain rate and temperature for the friction stir processing in AZ31 Mg is systemically examined and the Zener-Holloman parameter is utilized in rationalizing the relationship.
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The role of twinning and untwinning in yielding behavior in hot-extruded Mg–Al–Zn alloy
TL;DR: In this article, the effect of compressive pre-deformation on subsequent tensile deformation behavior in a hot-extruded AZ31 Mg alloy bar with a ring fiber texture, and with the basal planes parallel to the extrusion direction was examined.
Journal ArticleDOI
Effect of micro-texture on fracture location in friction stir weld of Mg alloy AZ61 during tensile test
TL;DR: In this paper, the tensile properties of the weld of Mg alloy AZ61 were strongly influenced by crystallographic orientation distribution as well as by grain size and dislocation density.
Journal ArticleDOI
Mg based nano-composites fabricated by friction stir processing
C.J. Lee,J.C. Huang,P.J. Hsieh +2 more
TL;DR: Friction stir processing (FSP) has been applied to incorporate 5-10 vol.% nano-sized SiO2 into an AZ61Mg alloy matrix to form bulk composites as mentioned in this paper.