A new fracture mechanics model for multiple matrix cracks of SiC fiber reinforced brittle-matrix composites

T. Okabe, N. Takeda, J. Komotori, M. Shimizu, W. A. Curtin

研究成果: Article査読

28 被引用数 (Scopus)

抄録

A new model is proposed for multiple matrix cracking in order to take into account the role of matrix-rich regions in the cross section in initiating crack growth. The model is used to predict the matrix cracking stress and the total number of matrix cracks. The model converts the matrix-rich regions into equivalent penny shape crack sizes and predicts the matrix cracking stress with a fracture mechanics crack-bridging model. The estimated distribution of matrix cracking stresses is used as statistical input to predict the number of matrix cracks. The results show good agreement with the experimental results by replica observations. Therefore, it is found that the matrix cracking behavior mainly depends on the distribution of matrix-rich regions in the composite.

本文言語English
ページ(範囲)4299-4309
ページ数11
ジャーナルActa Materialia
47
17
DOI
出版ステータスPublished - 1999 11月 26

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • ポリマーおよびプラスチック
  • 金属および合金

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