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A thermodynamically consistent constitutive model for diffusion-assisted plasticity in Ni-based superalloys

Abstract:

An elasto-viscoplastic thermodynamically consistent constitutive model for diff usion-assisted phase transformations is presented here. The model accounts for the di fferent deformation mechanisms, their time dependence, the crystal rotations produced by microtwin propagation and the chemistry-plasticity coupling occurring at high temperature. It is applied to the study of the chemically assisted microtwinning observed in Ni-based superalloys in the temperature range of 600-800 degree C. The...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.ijplas.2017.12.007

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
St Edmund Hall
Role:
Author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
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Publisher:
Elsevier Publisher's website
Journal:
International Journal of Plasticity Journal website
Volume:
105
Pages:
74-98
Publication date:
2018-01-31
Acceptance date:
2017-12-23
DOI:
ISSN:
0749-6419
Source identifiers:
817249
Language:
English
Keywords:
Pubs id:
pubs:817249
UUID:
uuid:2c7be450-541b-4c35-b124-f650ac55e7c5
Local pid:
pubs:817249
Deposit date:
2018-01-09

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