New developments in the processing of bulk nanoscale metals using high-pressure torsion
New developments in the processing of bulk nanoscale metals using high-pressure torsion
High-pressure torsion is a processing technique involving the application of a high pressure with concurrent torsional straining. Excellent grain refinement may be achieved using this process with the average grain size often reduced to the nanoscale range. Although this processing is expected to lead to significant microstructural inhomogeneity, experiments consistently demonstrate a gradual evolution towards a homogeneous structure. Recent results have also revealed unusual flow patterns in HPT processing including grain agglomeration in a two-phase alloy and the development of double-swirls and vortices in a stainless steel.
303-307
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
December 2010
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Kawasaki, Megumi and Langdon, Terence G.
(2010)
New developments in the processing of bulk nanoscale metals using high-pressure torsion.
Nanoscience and Nanotechnology Letters, 2 (4), .
(doi:10.1166/nnl.2010.1098).
Abstract
High-pressure torsion is a processing technique involving the application of a high pressure with concurrent torsional straining. Excellent grain refinement may be achieved using this process with the average grain size often reduced to the nanoscale range. Although this processing is expected to lead to significant microstructural inhomogeneity, experiments consistently demonstrate a gradual evolution towards a homogeneous structure. Recent results have also revealed unusual flow patterns in HPT processing including grain agglomeration in a two-phase alloy and the development of double-swirls and vortices in a stainless steel.
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Published date: December 2010
Organisations:
Engineering Mats & Surface Engineerg Gp
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Local EPrints ID: 170917
URI: http://eprints.soton.ac.uk/id/eprint/170917
ISSN: 1941-4900
PURE UUID: 2cad7fe6-044e-4d46-a66e-d9957fd3756a
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Date deposited: 12 Jan 2011 10:00
Last modified: 14 Mar 2024 02:47
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Author:
Megumi Kawasaki
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