Article Reliability evaluation scheme for ceramics based on defect size distribution inversely estimated from standardized tests

Taiyo Maeda (Graduate School of Yokohama National University) ; Toshio Osada SAMURAI ORCID (Research Center for Structural Materials/Materials Manufacturing Field/High-Reliability Heat-Resistant Materials Group, National Institute for Materials Science) ; Shingo Ozaki ORCID (Faculty of Engineering, Yokohama National University)

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Citation
Taiyo Maeda, Toshio Osada, Shingo Ozaki. Reliability evaluation scheme for ceramics based on defect size distribution inversely estimated from standardized tests. JOURNAL OF THE AMERICAN CERAMIC SOCIETY. 2025, 108 (e20660), 1-14. https://doi.org/10.1111/jace.20660

Description:

(abstract)

Ceramic components fracture stochastically depending on defect distributions, resulting in scatter and size dependence of the strength. Therefore, the strength properties obtained from a standardized test cannot be directly used to such as design strength of the arbitrary-shaped components under different boundary conditions for brittle ceramics. In this study, we propose a novel strength evaluation scheme based on inversely analyzed defect distribution for ceramic components.

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Keyword: Ceramics, Defect, Extream value statistics, Strength, Weibull plot

Date published: 2025-05-12

Publisher: Wiley

Journal:

  • JOURNAL OF THE AMERICAN CERAMIC SOCIETY (ISSN: 15512916) vol. 108 issue. e20660 p. 1-14

Funding:

  • New Energy and Industrial Technology Development Organization (NEDO) JPNP22005

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1111/jace.20660

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Updated at: 2025-07-04 08:30:32 +0900

Published on MDR: 2025-07-04 08:19:03 +0900