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Microhardness and microstructural evolution in pure nickel during high-pressure torsion

Microhardness and microstructural evolution in pure nickel during high-pressure torsion
Microhardness and microstructural evolution in pure nickel during high-pressure torsion
The microhardness and microstructural evolution during high pressure torsion testing in samples of pure nickel were investigated. Results were obtained on Ni samples subjected to annealing prior to high pressure torsion. A detailed TEM and X ray study were used. During torsion, the final microstructure was independent of the grain size. It was demonstrated that the processing parameters of strain and applied pressure were important for microhardness refinement and increased microhardness during high pressure torsion.
hardness testing, high-pressure torsion (hpt), microstructure, nickel, transmission electron microscopy (tem)
1359-6462
2753-2758
Zhilyaev, A.P.
fe22cdc1-590d-4bbd-bd1a-6ca18e3ee971
Lee, S.
a9e008ca-6a12-4dd7-bdcb-bc4f705ac441
Nurislamova, G.V.
5d489c7e-36bd-47b3-9405-5fb59dc7cf93
Valiev, R.Z.
f32c36f3-ce3a-4531-b8ef-0b18ad6626da
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhilyaev, A.P.
fe22cdc1-590d-4bbd-bd1a-6ca18e3ee971
Lee, S.
a9e008ca-6a12-4dd7-bdcb-bc4f705ac441
Nurislamova, G.V.
5d489c7e-36bd-47b3-9405-5fb59dc7cf93
Valiev, R.Z.
f32c36f3-ce3a-4531-b8ef-0b18ad6626da
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Zhilyaev, A.P., Lee, S., Nurislamova, G.V., Valiev, R.Z. and Langdon, T.G. (2001) Microhardness and microstructural evolution in pure nickel during high-pressure torsion. Scripta Materialia, 44 (12), 2753-2758. (doi:10.1016/S1359-6462(01)00955-1).

Record type: Article

Abstract

The microhardness and microstructural evolution during high pressure torsion testing in samples of pure nickel were investigated. Results were obtained on Ni samples subjected to annealing prior to high pressure torsion. A detailed TEM and X ray study were used. During torsion, the final microstructure was independent of the grain size. It was demonstrated that the processing parameters of strain and applied pressure were important for microhardness refinement and increased microhardness during high pressure torsion.

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More information

Published date: 2001
Keywords: hardness testing, high-pressure torsion (hpt), microstructure, nickel, transmission electron microscopy (tem)

Identifiers

Local EPrints ID: 23409
URI: http://eprints.soton.ac.uk/id/eprint/23409
ISSN: 1359-6462
PURE UUID: e3d81170-ef7a-454f-a64e-3001c8b7ed00
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 27 Mar 2006
Last modified: 16 Mar 2024 03:27

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Contributors

Author: A.P. Zhilyaev
Author: S. Lee
Author: G.V. Nurislamova
Author: R.Z. Valiev
Author: T.G. Langdon ORCID iD

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