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説明:

The evaluation of the R-curve behavior of ceramics, which is characterized by an increase in crack resistance with crack propagation, is crucial for advancing their implementation in engineering applications that require high reliability. In this study, we investigated the applicability of a finite element analysis (FEA) approach that implements a continuum damage model embedded with a cohesive-zone relationship to predict crack occurrence and the subsequent increase in crack resistance (toughness) of ceramics. Specifically, by employing a compliance-based method, the R-curve behavior was systematically examined under a bending load to assess the impacts of fracture stress and toughness on diverse chevron-notched specimens.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Ceramics, Damage model, Finite element analysis, R-curve behavior, Toughness

刊行年月日: 2025-09-17

出版者: Wiley

掲載誌:

• International Journal of Ceramic Engineering and Science (ISSN: 25783270) vol. 7 issue. 5

研究助成金:

• New Energy and Industrial Technology Development Organization JPNP22005
• Japan Society for the Promotion of Science 22H01357

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1002/ces2.70025

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更新時刻: 2025-09-26 16:30:21 +0900

MDRでの公開時刻: 2025-09-26 16:19:12 +0900