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In situ observation of mechanical damage within a SiC-SiC ceramic matrix composite

Saucedo-Mora, L; Lowe, T; Zhao, S; Lee, PD; Mummery, PM; Marrow, TJ; (2016) In situ observation of mechanical damage within a SiC-SiC ceramic matrix composite. Journal of Nuclear Materials , 481 pp. 13-23. 10.1016/j.jnucmat.2016.09.007. Green open access

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Abstract

SiC-SiC ceramic matrix composites are candidate materials for fuel cladding in Generation IV nuclear fission reactors and as accident tolerant fuel clad in current generation plant. Experimental methods are needed that can detect and quantify the development of mechanical damage, to support modelling and qualification tests for these critical components. In situ observations of damage development have been obtained of tensile and C-ring mechanical test specimens of a braided nuclear grade SiC-SiC ceramic composite tube, using a combination of ex situ and in situ computed X-ray tomography observation and digital volume correlation analysis. The gradual development of damage by matrix cracking and also the influence of non-uniform loading are examined.

Type: Article
Title: In situ observation of mechanical damage within a SiC-SiC ceramic matrix composite
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jnucmat.2016.09.007
Publisher version: https://doi.org/10.1016/j.jnucmat.2016.09.007
Language: English
Additional information: © 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords: Science & Technology, Technology, Materials Science, Multidisciplinary, Nuclear Science & Technology, Materials Science, Silicon-Carbide Composites, Neutron-Irradiation, Behavior, Temperatures, Strength, Failure, Stress, Tubes
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10049123
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