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The Effects of Thermo-Mechanical Treatment on the Properties of 2519 Aluminum Alloy

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Abstract:

A procedure of thermo-mechanical treatment (TMT) was carried out to 2519 aluminum alloy to improve its properties. The influences of cold deformation ratio, ageing temperature and ageing time of the TMT on the mechanical properties and electrochemical corrosion resistance of this alloy were investigated. The results show that after TMT the tensile strength of 2519 aluminum alloy can be improved obviously but its electrochemical corrosion resistance decreases slightly. The optimum processing parameters of the TMT for 2519 aluminum alloy can be described as: solid solution at 530°Cfor 0.5h, then cold deform with a ratio of 15% followed by aging at 150°C for 10h.

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Periodical:

Materials Science Forum (Volumes 546-549)

Pages:

1027-1032

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.546-549.1027

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Online since:

May 2007

Authors:

Gao Yong Lin, Zhen Feng Zhang, Qi Quan Lin, Da Shu Peng

Keywords:

2519 Aluminium Alloy, Electrochemical Corrosion, Mechanical Property, Thermo-Mechanical Treatment (TMT)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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