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In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography

M. R. Bache, P. I. Nicholson, E. Williams, Martin Bache

ASME Proceedings: Ceramics, Start page: V006T02A005

Swansea University Author: Martin Bache

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DOI (Published version): 10.1115/GT2018-75795

Abstract

The use of X-ray computed tomography (XCT) for detecting sub-critical damage and ultimate failure mechanisms in a ceramic matrix composite is demonstrated. To this end, an initial XCT investigation of a CMC sample, using a commercially available in-situ mechanical loading rig, is presented. As an im...

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Published in: ASME Proceedings: Ceramics
ISBN: 978-0-7918-5112-8
Published: Oslo, Norway ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition 2018
URI: https://cronfa.swan.ac.uk/Record/cronfa44790
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first_indexed 2018-10-08T15:00:24Z
last_indexed 2018-11-26T14:20:25Z
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spelling 2018-11-26T11:04:31.9079761 v2 44790 2018-10-08 In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography 3453423659f6bcfddcd0a716c6b0e36a Martin Bache Martin Bache true false 2018-10-08 FGSEN The use of X-ray computed tomography (XCT) for detecting sub-critical damage and ultimate failure mechanisms in a ceramic matrix composite is demonstrated. To this end, an initial XCT investigation of a CMC sample, using a commercially available in-situ mechanical loading rig, is presented. As an important step toward a better understanding of the mechanical behaviour of these materials, in-situ XCT inspection was performed on a macroscopic scaled test coupon, i.e. sampling a significant number of fibre bundles, whilst the material was subjected to monotonic tensile load. The observation of inherent processing artefacts, and the tracking of resultant damage in the structure of CMCs, was demonstrated, supported by post test inspections using optical and scanning electron microscopy. Further consideration is given to the requirements for developing XCT systems for in-situ inspection of CMC materials. Conference Paper/Proceeding/Abstract ASME Proceedings: Ceramics V006T02A005 ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition Oslo, Norway 978-0-7918-5112-8 X-rays, Fracture (Process), Fracture (Materials), Ceramic matrix composites, Inspection, Damage, Failure mechanisms, Stress, Fibers, Mechanical behavior 31 12 2018 2018-12-31 10.1115/GT2018-75795 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2018-11-26T11:04:31.9079761 2018-10-08T11:27:45.2830531 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised M. R. Bache 1 P. I. Nicholson 2 E. Williams 3 Martin Bache 4
title In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
spellingShingle In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
Martin Bache
title_short In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
title_full In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
title_fullStr In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
title_full_unstemmed In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
title_sort In-Situ Assessment of Fracture in SiCf/SiC Under Computed X-Ray Tomography
author_id_str_mv 3453423659f6bcfddcd0a716c6b0e36a
author_id_fullname_str_mv 3453423659f6bcfddcd0a716c6b0e36a_***_Martin Bache
author Martin Bache
author2 M. R. Bache
P. I. Nicholson
E. Williams
Martin Bache
format Conference Paper/Proceeding/Abstract
container_title ASME Proceedings: Ceramics
container_start_page V006T02A005
publishDate 2018
institution Swansea University
isbn 978-0-7918-5112-8
doi_str_mv 10.1115/GT2018-75795
publisher ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition
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 The use of X-ray computed tomography (XCT) for detecting sub-critical damage and ultimate failure mechanisms in a ceramic matrix composite is demonstrated. To this end, an initial XCT investigation of a CMC sample, using a commercially available in-situ mechanical loading rig, is presented. As an important step toward a better understanding of the mechanical behaviour of these materials, in-situ XCT inspection was performed on a macroscopic scaled test coupon, i.e. sampling a significant number of fibre bundles, whilst the material was subjected to monotonic tensile load. The observation of inherent processing artefacts, and the tracking of resultant damage in the structure of CMCs, was demonstrated, supported by post test inspections using optical and scanning electron microscopy. Further consideration is given to the requirements for developing XCT systems for in-situ inspection of CMC materials.
published_date 2018-12-31T03:56:12Z
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score 11.017797

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