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Creep of polycrystalline lithium fluoride

Creep of polycrystalline lithium fluoride
Creep of polycrystalline lithium fluoride
The creep behaviour of polycrystalline lithium fluoride under conditions of constant stress was investigated over the temperature range from 300°C to 550°C and found to be essentially similar to that observed in pure metals. The measured activation energy for steady-state creep was of the anticipated magnitude for diffusion of the fluorine ion, and the results suggest that the rate-controlling mechanism is some form of dislocation motion rather than the stress-directed diffusion of vacancies.
0141-8610
1181-1192
Cropper, Donald R.
1680b215-c14e-4781-a62c-09303b54f440
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Cropper, Donald R.
1680b215-c14e-4781-a62c-09303b54f440
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Cropper, Donald R. and Langdon, Terence G. (1968) Creep of polycrystalline lithium fluoride. Philosophical Magazine, 18 (156), 1181-1192. (doi:10.1080/14786436808227749).

Record type: Article

Abstract

The creep behaviour of polycrystalline lithium fluoride under conditions of constant stress was investigated over the temperature range from 300°C to 550°C and found to be essentially similar to that observed in pure metals. The measured activation energy for steady-state creep was of the anticipated magnitude for diffusion of the fluorine ion, and the results suggest that the rate-controlling mechanism is some form of dislocation motion rather than the stress-directed diffusion of vacancies.

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More information

Accepted/In Press date: 22 May 1968
Published date: 1968

Identifiers

Local EPrints ID: 488184
URI: http://eprints.soton.ac.uk/id/eprint/488184
DOI: doi:10.1080/14786436808227749
ISSN: 0141-8610
PURE UUID: d2d442a7-1ba9-4b57-be41-5e1372034817
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

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Date deposited: 18 Mar 2024 17:30
Last modified: 19 Mar 2024 02:37

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Contributors

Author: Donald R. Cropper
Author: Terence G. Langdon ORCID iD

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