Journal ArticleDOI
Superplasticity and cavitation in AZ31 Mg alloy at elevated temperatures
TLDR
In this article, optical microscopy and scanning electronic microscopy (SEM) were employed to observe the cavities and topography during the superplastic deformation of AZ31 alloy, respectively.About:
This article is published in Materials Letters.The article was published on 2005-06-01. It has received 61 citations till now. The article focuses on the topics: Superplasticity & Grain boundary.read more
Citations
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Journal ArticleDOI
Analysis of metal workability by integration of FEM and 3-D processing maps
Juan Liu,Zhenshan Cui,Congxin Li +2 more
TL;DR: In this article, the 3D processing maps including strain are put forward, which describe the variations of the efficiency of power dissipation and flow instability domains with strain rate, temperature and strain.
Journal ArticleDOI
Analysis of Superplastic Deformation of AZ31 Magnesium Alloy
TL;DR: In this article, the results of a comprehensive study on the elevated temperature superplastic behavior of the AZ31 magnesium alloy were presented, where flow stress, fracture strain and strain sensitivity index maps were constructed over a wide range of strain rates, covering temperatures between 325 and 450 °C.
Journal ArticleDOI
Pulse current auxiliary bulging and deformation mechanism of AZ31 magnesium alloy
TL;DR: In this article, the effects of pulse current on the deformation behavior, dislocation structure, microstructural evolution and cavity morphology of the coarse-grained AZ31 magnesium alloy during gas bulging process were investigated.
Journal ArticleDOI
Mechanical Characteristics of Superplastic Deformation of AZ31Magnesium Alloy
TL;DR: In this paper, the high temperature deformation aspects of the AZ31B-H24 commercial magnesium alloy are investigated through a set of uniaxial tensile tests that cover forming temperatures ranging between 23 and 500°C, and constant true strain rates between 2.5 and 2.8.
Journal ArticleDOI
Achieving excellent superplasticity in an ultrafine-grained QE22 alloy at both high strain rate and low-temperature regimes
F. Khan,Sushanta Kumar Panigrahi +1 more
TL;DR: In this article, the authors investigated the high-temperature tensile deformation behavior of ultrafine-grained (UFG) QE22 alloy developed by friction stir processing at various strain rates and temperatures.
References
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Journal ArticleDOI
Magnesium: Properties — applications — potential
B.L Mordike,T Ebert +1 more
TL;DR: Magnesium is the lightest of all metals used as the basis for constructional alloys and it is this property which entices automobile manufacturers to replace denser materials, not only steels, cast irons and copper base alloys but even aluminium alloys by magnesium based alloys as discussed by the authors.
Journal ArticleDOI
Superplasticity—Recent advances and future directions
Oleg D. Sherby,Jeffrey Wadsworth +1 more
Book
Superplasticity in metals and ceramics
TL;DR: Superplastic forming and diffusion bonding as mentioned in this paper are two possible superplasticity mechanisms for high-temperature deformation and phenomenological relations for fine-structure super-plastic.
Journal ArticleDOI
Dynamic continuous recrystallization characteristics in two stage deformation of Mg-3Al-1Zn alloy sheet
Jin-Chong Tan,Ming Jen Tan +1 more
TL;DR: In this article, the authors investigated the dynamic recrystallization (DRX) characteristics of a Mg/3Al/1Zn (AZ31) alloy sheet at temperatures ranging from 200� /450 8C and constant strain rates of 1/10 4 � /2/104 s 1.
Journal ArticleDOI
Superplastic deformation behaviour of friction stir processed 7075Al alloy
TL;DR: In this article, two fine-grained 7075Al alloys with a grain size of 3.8 and 7.5 μm were subjected to friction stir processing (FSP) with different processing parameters.