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A model for the creep deformation behaviour of nickel-based single crystal superalloys

Abstract:

A physical model for the creep deformation of single crystal superalloys is presented that is sensitive to chemical composition and microstructure. The rate-controlling step is assumed to be climb of dislocations at the matrix/particle interfaces and their rate of escape from trapped configurations; a strong dependence on alloy composition then arises. By testing the predictions of the model against the considerable body of published experimental data, the dependence of the kinetics of creep ...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Journal:
ACTA MATERIALIA More from this journal
Volume:
60
Issue:
12
Pages:
4888-4900
Publication date:
2012-07-01
DOI:
ISSN:
1359-6454
Keywords:
Pubs id:
pubs:369673
UUID:
uuid:fa0d5f4f-80f9-45a9-873f-04e8108b32ef
Local pid:
pubs:369673
Source identifiers:
369673
Deposit date:
2013-11-16

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