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Thesis

Micro-mechanical testing of the hex-BN interphase in SiCf/SiC composites for aero-propulsion

Abstract:

This thesis provides an overview of micro-level mechanical testing of the BN interphase in SiCf/BN/SiC composites, in the context of lifing models for aero-engine components. A wide number of variables were tackled in the development of both traditional and novel techniques to assess micro-level properties of the composites. The latter included the interfacial shear strength (varied), modulus (25.9 ± 5.4 GPa), hardness (1.3 ± 0.1 GPa), fracture toughness (6.7 ± 2.4 MPa.m1/2), de...

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Sub department:
Materials
Oxford college:
St Edmund Hall
Role:
Author
ORCID:
0000-0002-4238-276X

Contributors

Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Sub department:
Materials
Oxford college:
Corpus Christi College
Role:
Supervisor
ORCID:
0000-0002-5067-5108
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Sub department:
Materials
Oxford college:
Mansfield College
Role:
Supervisor
ORCID:
0000-0001-6120-9826
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Sub department:
Materials
Oxford college:
Pembroke College
Role:
Examiner
ORCID:
0000-0002-8801-4102
More from this funder
Funding agency for:
Armstrong, D
Marrow, T
De Meyere, R
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford

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