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Microstructural evolution in the processing of bulk samples using high-pressure torsion

Record type: Article

Although high-pressure torsion (HPT) is now a well-established technique for imposing severe plastic deformation on metallic materials, the technique is generally restricted to use with thin disk samples. This paper describes experiments which were conducted to evaluate the potential for making use of HPT with bulk samples in the form of small cylinders. The experiments were performed using an Al-Mg-Sc alloy and the samples were strained under a pressure of 1 GPa at room temperature. The results demonstrate excellent microstructural refinement in the vicinity of the central zone around the periphery of the cylinders.

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Citation

Horita, Z. and Langdon, T.G. (2007) Microstructural evolution in the processing of bulk samples using high-pressure torsion Materials Science Forum, 539-543, pp. 80-85.

More information

Published date: 2007
Keywords: aluminium alloy, grain refinement, high pressure torsion (HPT), severe plastic deformation, ultra-fine grains
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 50102
URI: http://eprints.soton.ac.uk/id/eprint/50102
ISSN: 1662-9752
PURE UUID: 12abf2f1-0ac1-40ce-b53b-9da1305101bc
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 24 Jan 2008
Last modified: 17 Jul 2017 14:53

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Contributors

Author: Z. Horita
Author: T.G. Langdon ORCID iD

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