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The oxidation-induced self-healing of cracks is an attractive function for the application of ceramics in high-temperature structural components requiring high reliability. To further optimize materials or components for practical applications, the development of numerical simulation techniques is of importance. In this study, we examined crack growth, crack-gap-filling by oxide, and re-cracking behaviors in chevron-notched specimens under various load and temperature conditions by adopting a finite element analysis (FEA) approach incorporating a damage-healing constitutive model based on fracture mechanics and oxidation kinetics.

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• Creative Commons BY Attribution 4.0 International
  

Keyword: Self-healing ceramics, Finite element analysis, Constitutive model, Oxidation-kinetics, Chevron notch

Date published: 2024-10-11

Publisher: Elsevier BV

Journal:

• International Journal of Solids and Structures (ISSN: 00207683) vol. 306 113104

Funding:

• Japan Society for the Promotion of Science 22H01357

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5205

First published URL: https://doi.org/10.1016/j.ijsolstr.2024.113104

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Updated at: 2024-12-24 13:58:38 +0900

Published on MDR: 2024-12-24 13:58:38 +0900