Damage process of unidirectional SiC fiber reinforced glass-matrix composites

Tomonaga Okabe, Nobuo Takeda, Katuhiro Imai, Jun Komotori, Masao Shimizu, Yoshikazu Imai

Research output: Contribution to journalArticle

Abstract

This paper examines the damage process of unidirectional BN-coated HI-NICALON SiC fiber reinforced glass Composites under tensile loading. The nonlinear stress-strain relation is predicted with the mean matrix cracking interval from replica observation during tensile testing. The prediction gives good agreement with experimantal results. Ultimate tensile strength can be predicted by using a probabilistic fracture model based on the strength distribution data of fibers extracted from fabricated composites. Difference between the experimental strength and the predicted one is examined. The fracture surfaces after tensile testing are observed with SEM and fiber pull-outs can be found in fiber rich region more frequently than in matrix rich region.

Original languageEnglish
Pages (from-to)2931-2937
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume64
Issue number628
Publication statusPublished - 1998
Externally publishedYes

Fingerprint

Glass
Fibers
Tensile testing
Composite materials
Tensile strength
Scanning electron microscopy

Keywords

  • Ceramics matrix composites
  • Energy release rates
  • Fracture mechanics
  • Interface debonding
  • Matrix crack
  • Ultimate tensile strength

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Damage process of unidirectional SiC fiber reinforced glass-matrix composites. / Okabe, Tomonaga; Takeda, Nobuo; Imai, Katuhiro; Komotori, Jun; Shimizu, Masao; Imai, Yoshikazu.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 64, No. 628, 1998, p. 2931-2937.

Research output: Contribution to journalArticle

Okabe, Tomonaga ; Takeda, Nobuo ; Imai, Katuhiro ; Komotori, Jun ; Shimizu, Masao ; Imai, Yoshikazu. / Damage process of unidirectional SiC fiber reinforced glass-matrix composites. In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 1998 ; Vol. 64, No. 628. pp. 2931-2937.
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