Yuan Shi
Experimental evaluation and theoretical prediction of elastic properties and failure of C/C‐SiC composite
Shi, Yuan; Li, Shuguang; Sitnikova, Elena; Cepli, Daniel; Koch, Dietmar
Authors
SHUGUANG LI shuguang.li@nottingham.ac.uk
Professor of Aerospace Composites
Dr ELENA SITNIKOVA ELENA.SITNIKOVA@NOTTINGHAM.AC.UK
Research Fellow
Daniel Cepli
Dietmar Koch
Abstract
The paper presents experimental characterization and theoretical predictions of elastic and failure properties of continuous carbon fiber reinforced silicon carbide (C/C-SiC) composite fabricated by Liquid Silicon Infiltration (LSI). Its mechanical properties were determined under uniaxial tensile, compression and pure shear loads in two sets of principal coordinate systems, 0°-90° and ±45°, respectively. The properties measured in the 0°-90° coordinate system were employed as the input data to predict their counterparts in the ±45° coordinate system. Through coordinate transformations of stress and strain tensors, the elastic constants and stress-strain behaviors were predicted and found to be in good agreement with the experimental results. In the same way, three different failure criteria, maximum stress, Tsai-Wu and maximum strain, have been selected for the evaluation of the failure of C/C-SiC as a type of genuinely orthotropic material. Based on the comparisons with experimental results, supported by necessary practical justifications, the Tsai-Wu criterion was found to offer a reasonable prediction of the strengths, which can be assisted by the maximum stress criterion to obtain an indicative prediction of the respective failure modes.
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 3, 2021 |
Online Publication Date | May 18, 2021 |
Publication Date | 2022-01 |
Deposit Date | Apr 27, 2022 |
Publicly Available Date | Apr 27, 2022 |
Journal | International Journal of Applied Ceramic Technology |
Print ISSN | 1546-542X |
Electronic ISSN | 1744-7402 |
Peer Reviewed | Peer Reviewed |
Volume | 19 |
Issue | 1 |
Pages | 7-21 |
DOI | https://doi.org/10.1111/ijac.13775 |
Keywords | Materials Chemistry; Marketing; Condensed Matter Physics; Ceramics and Composites |
Public URL | https://nottingham-repository.worktribe.com/output/5434197 |
Publisher URL | https://ceramics.onlinelibrary.wiley.com/doi/10.1111/ijac.13775 |
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Experimental evaluation and theoretical prediction of elastic properties and failure of C/C-SiC composite
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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
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