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Kinetics of tensile deformation in a precipitation-hardened aluminium alloy

Tensile tests were carried out on aluminium alloy 6261 (containing magnesium and silicon) which had been subjected to various aging and over-aging heat treatments with the object of characterizing the flow of kinetics in terms of the different treatments. It was found that a glide equation which inc...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1994-11, Vol.188 (1), p.97-102
Main Authors: Chandler, H.D., Görtzen, J.-N.
Format: Article
Language:English
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Summary:Tensile tests were carried out on aluminium alloy 6261 (containing magnesium and silicon) which had been subjected to various aging and over-aging heat treatments with the object of characterizing the flow of kinetics in terms of the different treatments. It was found that a glide equation which included a strain-dependent flow stress term could explain the behaviour and that the flow stress-strain curves could be superimposed on a single curve irrespective of aging conditions by shifting the strain origins. That is the effect of different heat treatments was to alter the initial flow yield stress rather than the kinetics of the deformation process.
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(94)90360-3