Effect of Mg addition on strengthening of aluminium alloys subjected to different strain paths in high pressure torsion


Zhang, Jiuwen, Starink, Marco J., Gao, Nong and Zhou, Wenlong (2011) Effect of Mg addition on strengthening of aluminium alloys subjected to different strain paths in high pressure torsion. Materials Science and Engineering: A, 528, (4-5), 2093-2099. (doi:10.1016/j.msea.2010.11.040 ).

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Description/Abstract

The effect of Mg addition on strengthening of aluminium alloys was studied by monotonic, cyclic and single reversal deformation in high pressure torsion. The results show the extent of strengthening varies between these three processing methods and are dependent on Mg content. There is a relatively low hardness increment in commercially pure aluminium, slightly higher hardness increment in an Al–1Mg alloy and significant hardness increment in an Al–2Mg alloy. The difference of strengthening due to strain paths is discussed in terms of geometrically necessary dislocations.

Item Type: Article
ISSNs: 0921-5093
1873-4936 (electronic)
Keywords: aluminium alloys, high pressure torsion, strain path
Subjects: T Technology > TN Mining engineering. Metallurgy
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 179555
Date Deposited: 04 Apr 2011 08:45
Last Modified: 27 Mar 2014 19:33
URI: http://eprints.soton.ac.uk/id/eprint/179555

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