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Evaluation of single crystal elastic stiffness coefficients of a nickel-based superalloy by electron backscatter diffraction and nanoindentation

Abstract:

A new methodology was developed in order to obtain single crystal elastic coefficients from nanoindentation experiments on a cubic polycrystal. The method consists of locating grains that are oriented with a 〈100〉, 〈110〉 or 〈111〉 direction near-parallel to the sample surface normal by means of electron backscattering diffraction. The reduced Young's moduli of the selected grains are then determined by nanoindentation. Finally, the average reduced modulus and Euler angles of each grain are use...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.jmps.2019.07.011

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
Trinity College
Role:
Author
ORCID:
0000-0002-3558-5198
Publisher:
Elsevier
Journal:
Journal of the Mechanics and Physics of Solids More from this journal
Volume:
131
Pages:
303-312
Publication date:
2019-07-15
Acceptance date:
2019-07-14
DOI:
EISSN:
1873-4782
ISSN:
0022-5096
Keywords:
Pubs id:
pubs:1036116
UUID:
uuid:0467486b-e488-4251-a128-b16a47c35d40
Local pid:
pubs:1036116
Source identifiers:
1036116
Deposit date:
2019-10-07

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