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In situ observation of the deformation and fracture of an alumina-alumina ceramic-matrix composite at elevated temperature using x-ray computed tomography

Abstract:

The deformation and fracture of a 0/90° Nextel 720 mullite fibre / alumina matrix ceramic-matrix composite material has been observed by in situ synchrotron x-ray computed micro-tomography at ambient temperature and at 1100 °C. A three-point loading configuration was used and samples were loaded monotonically until final fracture. The flexural strength was found to be unaffected by temperature. 3D visualisation of the microstructure showed fracture occurred by propagation of internal cracks a...

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Publication status:
Published
Peer review status:
Peer reviewed

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Name:
Engineering and Physical Sciences Research Council
Grant:
EP/M02833X/1
Publisher:
Elsevier
Journal:
Journal of the European Ceramic Society More from this journal
Volume:
41
Issue:
7
Pages:
4217-4230
Publication date:
2021-02-08
Acceptance date:
2021-01-17
DOI:
ISSN:
0955-2219
Language:
English
Keywords:
Pubs id:
1158737
Local pid:
pubs:1158737
Deposit date:
2021-01-26

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