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E-Thesis 418 views

Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites / STEVEN JORDAN

Swansea University Author: STEVEN JORDAN

  • Redacted version - open access under embargo until: 20th January 2027

DOI (Published version): 10.23889/SUthesis.59465

Abstract

Novel test development and the use of more traditional test techniques were applied to the characterisation of a potential, fibre reinforced SiCf/SiC ceramic matrix composite (CMC) system. Isothermal load controlled low cycle fatigue (LCF), strain controlled LCF (SLCF), and thermo-mechanical fatigue...

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Published: Swansea 2022
Institution: Swansea University
Degree level: Doctoral
Degree name: Ph.D
Supervisor: Bache, Martin
URI: https://cronfa.swan.ac.uk/Record/cronfa59465
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first_indexed 2022-02-28T11:47:44Z
last_indexed 2022-03-01T04:29:04Z
id cronfa59465
recordtype RisThesis
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spelling 2022-02-28T12:17:06.3246880 v2 59465 2022-02-28 Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites c6cc1a3433b7624a2d4dcc1098b220b3 STEVEN JORDAN STEVEN JORDAN true false 2022-02-28 Novel test development and the use of more traditional test techniques were applied to the characterisation of a potential, fibre reinforced SiCf/SiC ceramic matrix composite (CMC) system. Isothermal load controlled low cycle fatigue (LCF), strain controlled LCF (SLCF), and thermo-mechanical fatigue (TMF) data are reported to provide a constitutive assessment of mechanical properties. In addition, a specialist in-situ tensile test rig was designed for experiments inside an SEM plus experiments performed under in-situ X-ray tomography were conducted to establish microscopic damage networks and failure mechanisms in this class of CMC. The role of environment on fibre-matrix cohesion was addressed, in recognition of the demanding conditions CMC components may experience if selected for service in future gas turbine designs. The integrity of the interface resulting from water ingress through the composite structure was characterised and the subsequent effects on strength and fatigue properties were evaluated. E-Thesis Swansea CMC, Mechanical Testing 28 2 2022 2022-02-28 10.23889/SUthesis.59465 COLLEGE NANME COLLEGE CODE Swansea University Bache, Martin Doctoral Ph.D EPSRC doctoral training grant 2022-02-28T12:17:06.3246880 2022-02-28T11:43:32.4884314 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised STEVEN JORDAN 1 Under embargo Under embargo 2022-02-28T12:06:47.8538883 Output 10841826 application/pdf Redacted version - open access true 2027-01-20T00:00:00.0000000 Copyright: The author, Steven Jordan, 2022. true eng
title Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
spellingShingle Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
STEVEN JORDAN
title_short Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
title_full Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
title_fullStr Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
title_full_unstemmed Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
title_sort Advanced Mechanical Test Techniques applied to SiCf/SiC Ceramic Matrix Composites
author_id_str_mv c6cc1a3433b7624a2d4dcc1098b220b3
author_id_fullname_str_mv c6cc1a3433b7624a2d4dcc1098b220b3_***_STEVEN JORDAN
author STEVEN JORDAN
author2 STEVEN JORDAN
format E-Thesis
publishDate 2022
institution Swansea University
doi_str_mv 10.23889/SUthesis.59465
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 0
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description Novel test development and the use of more traditional test techniques were applied to the characterisation of a potential, fibre reinforced SiCf/SiC ceramic matrix composite (CMC) system. Isothermal load controlled low cycle fatigue (LCF), strain controlled LCF (SLCF), and thermo-mechanical fatigue (TMF) data are reported to provide a constitutive assessment of mechanical properties. In addition, a specialist in-situ tensile test rig was designed for experiments inside an SEM plus experiments performed under in-situ X-ray tomography were conducted to establish microscopic damage networks and failure mechanisms in this class of CMC. The role of environment on fibre-matrix cohesion was addressed, in recognition of the demanding conditions CMC components may experience if selected for service in future gas turbine designs. The integrity of the interface resulting from water ingress through the composite structure was characterised and the subsequent effects on strength and fatigue properties were evaluated.
published_date 2022-02-28T04:16:48Z
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score 11.013037

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