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TECHNICAL PAPERS

Mechanics of the Segmentation of an Embedded Fiber, Part II: Computational Modeling and Comparisons

[+] Author and Article Information
A. P. S. Selvadurai

Department of Civil Engineering and Applied Mechanics, Faculty of Engineering, McGill University, Montreal, QC H3A 2K6, Canada

A. ten Busschen

Laboratory of Engineering Mechanics, Faculty of Mechanical Engineering and Marine Technology, Delft University of Technology, Delft, The Netherlands

J. Appl. Mech 62(1), 98-107 (Mar 01, 1995) (10 pages) doi:10.1115/1.2895889 History: Received December 02, 1992; Revised October 08, 1993; Online October 30, 2007

Abstract

A fragmentation test has been developed for the study of the influence of the adhesive characteristics of the interface between reinforcing fibers and the matrix on the development of matrix cracking at a cracked single fiber location. The present paper examines the numerical modeling of the crack extension process within the matrix region. The numerical modeling focuses on the application of boundary element techniques to the study of an axisymmetric fiber-matrix model and quasi-static crack extension criteria are employed to determine the path of crack extension. The result for the crack extension patterns obtained from the numerical models are compared with the results derived from the experiments. It is shown that elastic fracture mechanics simulations of quasi-static crack extension can successfully model the observed experimental phenomena.

Copyright © 1995 by The American Society of Mechanical Engineers
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