Effects of nonuniformity of fiber distribution on thermally-induced residual-stresses and cracking in ceramic-matrix composites

Bent F. Sørensen; R. Talreja

doi:10.1016/0167-6636(93)90010-O

Effects of nonuniformity of fiber distribution on thermally-induced residual-stresses and cracking in ceramic-matrix composites

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Abstract

A three-dimensional finite element analysis is conducted to estimate stresses induced by thermal cooldown in unidirectionally fiber-reinforced ceramic matrix composites. Various configurations of nonuniform fiber distributions are considered. Both cases of thermal expansion mismatch between isotropic, linearly thermoelastic fibers and matrix are studied. Significant effects of nonuniformity of fiber distributions on the local stress states are found. The initiation of various possible cracking modes is discussed in the light of these results.

Original language	English
Journal	Mechanics of Materials
Volume	16
Issue number	4
Pages (from-to)	351-363
ISSN	0167-6636
DOIs	https://doi.org/10.1016/0167-6636(93)90010-O
Publication status	Published - 1993

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title = "Effects of nonuniformity of fiber distribution on thermally-induced residual-stresses and cracking in ceramic-matrix composites",

abstract = "A three-dimensional finite element analysis is conducted to estimate stresses induced by thermal cooldown in unidirectionally fiber-reinforced ceramic matrix composites. Various configurations of nonuniform fiber distributions are considered. Both cases of thermal expansion mismatch between isotropic, linearly thermoelastic fibers and matrix are studied. Significant effects of nonuniformity of fiber distributions on the local stress states are found. The initiation of various possible cracking modes is discussed in the light of these results.",

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year = "1993",

doi = "10.1016/0167-6636(93)90010-O",

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journal = "Mechanics of Materials",

issn = "0167-6636",

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T1 - Effects of nonuniformity of fiber distribution on thermally-induced residual-stresses and cracking in ceramic-matrix composites

AU - Sørensen, Bent F.

AU - Talreja, R.

PY - 1993

Y1 - 1993

N2 - A three-dimensional finite element analysis is conducted to estimate stresses induced by thermal cooldown in unidirectionally fiber-reinforced ceramic matrix composites. Various configurations of nonuniform fiber distributions are considered. Both cases of thermal expansion mismatch between isotropic, linearly thermoelastic fibers and matrix are studied. Significant effects of nonuniformity of fiber distributions on the local stress states are found. The initiation of various possible cracking modes is discussed in the light of these results.

AB - A three-dimensional finite element analysis is conducted to estimate stresses induced by thermal cooldown in unidirectionally fiber-reinforced ceramic matrix composites. Various configurations of nonuniform fiber distributions are considered. Both cases of thermal expansion mismatch between isotropic, linearly thermoelastic fibers and matrix are studied. Significant effects of nonuniformity of fiber distributions on the local stress states are found. The initiation of various possible cracking modes is discussed in the light of these results.

KW - Materialer til strukturelle formål

U2 - 10.1016/0167-6636(93)90010-O

DO - 10.1016/0167-6636(93)90010-O

M3 - Journal article

SN - 0167-6636

VL - 16

SP - 351

EP - 363

JO - Mechanics of Materials

JF - Mechanics of Materials

IS - 4

ER -

Effects of nonuniformity of fiber distribution on thermally-induced residual-stresses and cracking in ceramic-matrix composites

Abstract

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