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Creep behavior of metals processed by equal-channel angular pressing

Creep behavior of metals processed by equal-channel angular pressing
Creep behavior of metals processed by equal-channel angular pressing
The processing of metals by equal-channel angular pressing provides the capability of refining the grain size to the submicrometer or nanometer level. It is shown that this will influence the high temperature creep properties provided the ultrafine grains are reasonably stable at elevated temperatures. Examples are presented for high-purity aluminum where grain growth occurs easily and some aluminum-based alloys where grain growth is restricted through the presence of scandium additions. It is relatively easy to depict the creep behavior by plotting deformation mechanism maps. Two examples of these maps are presented for the Pb-62% Sn eutectic alloy and high-purity aluminum.

creep, deformation mechanism maps, equal-channel angular pressing, flow mechanisms, grain boundary sliding
75-83
Kawasaki, M.
d0ce18b9-8403-4db2-9cb2-3a6165f288a6
Sklenička, V.
524e4d61-1ded-4c6e-96d2-c94e72d0f63e
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Kawasaki, M.
d0ce18b9-8403-4db2-9cb2-3a6165f288a6
Sklenička, V.
524e4d61-1ded-4c6e-96d2-c94e72d0f63e
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Kawasaki, M., Sklenička, V. and Langdon, T.G. (2011) Creep behavior of metals processed by equal-channel angular pressing. Kovové Materiály – Metallic Materials, 49 (1), 75-83.

Record type: Article

Abstract

The processing of metals by equal-channel angular pressing provides the capability of refining the grain size to the submicrometer or nanometer level. It is shown that this will influence the high temperature creep properties provided the ultrafine grains are reasonably stable at elevated temperatures. Examples are presented for high-purity aluminum where grain growth occurs easily and some aluminum-based alloys where grain growth is restricted through the presence of scandium additions. It is relatively easy to depict the creep behavior by plotting deformation mechanism maps. Two examples of these maps are presented for the Pb-62% Sn eutectic alloy and high-purity aluminum.

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More information

Published date: 2011
Keywords: creep, deformation mechanism maps, equal-channel angular pressing, flow mechanisms, grain boundary sliding
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 190929
URI: http://eprints.soton.ac.uk/id/eprint/190929
PURE UUID: 76658d6a-8b40-481e-b244-09ddb8e4ce86
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 16 Jun 2011 08:11
Last modified: 09 Jan 2022 03:10

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Contributors

Author: M. Kawasaki
Author: V. Sklenička
Author: T.G. Langdon ORCID iD

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