MECHANISTICALLY BASED FATIGUE-DAMAGE EVOLUTION MODEL FOR BRITTLE-MATRIX FIBER-REINFORCED COMPOSITES

被引：36
作者：
RAMAKRISHNAN, V
JAYARAMAN, N
机构：
[1] Department of Materials Science and Engineering, University of Cincinnati, Cincinnati, 45221, OH
来源：
JOURNAL OF MATERIALS SCIENCE | 1993年 / 28卷 / 20期
关键词：
D O I：
10.1007/BF00367835
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An analysis of the fatigue-damage evolution process through prediction of stiffness drop in brittle matrix unidirectional composites reinforced with continuous stiff fibres is presented. The drop in stiffness of the composite is calculated by partitioning the total damage between the components of the composite, namely the matrix, the fibre, and the interface. Predictions of drop in stiffness are validated for different fatigue test conditions in borosilicate glass-ceramic matrix-Nicalon fibre-reinforced composites. In addition, fatigue test results from other composite systems, such as LASII-Nicalon and aluminosilicate-Nicalon, are examined in the light of this model.
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页码：5592 / 5602
页数：11
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