Journal ArticleDOI
Review of warm forming of aluminum-magnesium alloys
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In this paper, the formability and surface quality of the final product of these alloys are not good if processing is performed at room temperature, however, they have been shown to increase at temperature range from 200 to 300°C and better surface quality has been achieved.About:
This article is published in Journal of Materials Processing Technology.The article was published on 2008-10-16. It has received 295 citations till now. The article focuses on the topics: Formability & Weldability.read more
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Testing and modelling of material behaviour and formability in sheet metal forming
Stefania Bruschi,T. Altan,Dorel Banabic,Paolo Francesco Bariani,Alexander Brosius,Jian Cao,Andrea Ghiotti,M. Khraisheh,Marion Merklein,A. E. Tekkaya +9 more
TL;DR: In this paper, the authors provide a critical review of the models available today for predicting the material behaviour at both industrial and scientific level, and the tests needed to identify the models' material parameters.
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A review on forming techniques for manufacturing lightweight complex—shaped aluminium panel components
TL;DR: In this paper, a comprehensive review of widely used forming processes for aluminium alloys, under cold, warm and hot forming conditions, and the material characteristics and equipment used for each process are presented.
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Electric current-induced annealing during uniaxial tension of aluminum alloy
TL;DR: In this article, the mechanical behavior of an aluminum alloy under a pulsed electric current was investigated by uniaxial tension and subsequent microstructural observations and it was shown that the electric current itself could play a distinct role in inducing annealing apart from Joule heating.
Journal ArticleDOI
Warm forming behavior of high strength aluminum alloy AA7075
TL;DR: In this article, the formability of aluminum alloy AA7075 at elevated temperature was investigated through experiment, and the results showed that deep drawing and stretch formability can be significantly improved when the blank is heated to 140-220°C.
Journal ArticleDOI
Investigations on forming of aluminum 5052 and 6061 sheet alloys at warm temperatures
TL;DR: In this article, the deformation characteristics of Al5052 and Al6061 sheet alloys were investigated under different process (temperature and strain rate) and loading (uniaxial vs. biaxial) conditions experimentally.
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
Recent development in aluminium alloys for the automotive industry
TL;DR: In this paper, the authors present a review of recent developments in aluminium alloys to improve formability, surface quality in both 5000 and 6000 alloys, and the bake hardening response of 6500 alloys.
Journal ArticleDOI
Plane stress yield function for aluminum alloy sheets—part 1: theory
Frédéric Barlat,Frédéric Barlat,J.C. Brem,Jeong W. Yoon,Jeong W. Yoon,Kwansoo Chung,Re Dick,D.J. Lege,Farhang Pourboghrat,Shi-Hoon Choi,E. Chu +10 more
TL;DR: In this article, a plane stress yield function that well describes the anisotropic behavior of sheet metals, in particular, aluminum alloy sheets, was proposed, which was introduced in the formulation using two linear transformations on the Cauchy stress tensor.
Journal ArticleDOI
Plastic behavior and stretchability of sheet metals. Part I: A yield function for orthotropic sheets under plane stress conditions
Frédéric Barlat,K. Lian +1 more
TL;DR: In this article, a yield function that describes the behavior of orthortropic sheets, metals exhibiting planar anisotropy and subjected to plane stress conditions is proposed, which is shown to give a reasonable approximation to plastic potentials calculated with the Taylor/Bishop and Hill theory of polycrystalline plasticity for plane stress states.
Journal ArticleDOI
A six-component yield function for anisotropic materials
TL;DR: In this paper, a new six-component yield surface description for orthotropic materials is developed, which has the advantage of being relatively simple mathematically and yet is consistent with yield surfaces computed with polycrystal plasticity models.
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Tensile deformation behavior of aluminum alloys at warm forming temperatures
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