Cracking Resistance of Short-Fiber-Reinforced Composites

被引：4

作者：

Zesers, A. ^{[1
]}

Tamuzs, V. ^{[1
]}

机构：

[1] Univ Latvia, Inst Polymer Mech, LV-1006 Riga, Latvia

来源：

MECHANICS OF COMPOSITE MATERIALS | 2014年 / 50卷 / 02期

关键词：

crack bridging; nonlinear fibers; analytical approach; MODEL; CERAMICS;

D O I：

10.1007/s11029-014-9404-4

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A crack bridged by discrete fibers in an infinite medium is modeled. A crack model is developed to consider nonlinearities in the fiber stress-displacement relation independently of the actual physical processes governing this relation. The effects of fiber size and placement on the intensity of crack tip stress are considered. As an example, a crack in a short-steel-fiber-reinforced concrete matrix composite is considered. Variations in the intensity of crack tip stress due to fiber debonding, pullout, and associated stress discontinuities are considered.

引用

页码：165 / 176

页数：12

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