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Evolution of the microstructure of Al 6082 alloy during equal-channel angular pressing

Gubicza, Jenő and Krállics, György and Schiller, I. and Malgin, D. (2005) Evolution of the microstructure of Al 6082 alloy during equal-channel angular pressing. In: 4th Hungarian Conference on Materials Science, Testing and Informatics, 2003. október 12-14., Balatonfüred, Magyarország.

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Abstract

A commercial Al-Mg-Si alloy (Al 6082) was deformed by Equal-Channel Angular Pressing (ECAP) to produce bulk ultrafine-grained micro structure. The crystallite size distribution and the characteristic parameters of the dislocation structure were investigated by X-ray diffraction profile analysis. It was found that the crystallite size decreased and the dislocation density increased during ECAP deformation. The increase of the yield stress of the alloy was related to the increase of the dislocation density using the Taylor model.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science / természettudomány > QC Physics / fizika
Depositing User: Erika Bilicsi
Date Deposited: 11 Oct 2012 08:53
Last Modified: 11 Oct 2012 08:53
URI: http://real.mtak.hu/id/eprint/3094

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