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Effects of a Frictional Interface on the Load Diffusion from a Broken Filament in a Fibrous Composite

Published online by Cambridge University Press:  21 February 2011

Bulent Aksel ,
Dimitris C. Lagoudas  and
Chung-Yuen Hui
Bulent Aksel
Affiliation:
Theoretical and Applied Mechanics Department Cornell University, Ithaca, NY 14853
Dimitris C. Lagoudas
Affiliation:
Department of Civil Engineering Rensselaer Polytechnic Institute, Troy, NY 12180
Chung-Yuen Hui
Affiliation:
Theoretical and Applied Mechanics Department Cornell University, Ithaca, NY 14853
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Abstract

The effects of a frictional interface on the load diffusion from a broken fiber to the surrounding matrix material and the extent of debonding near the fiber break in a single-fiber reinforced composite of infinite extent are studied by using the finite element method. The normal and shear stresses on the interface, the extent of the slip zone and the axial load of the fiber are evaluated for different frictional coefficients and material parameters for both the fiber and the matrix. A shear-lag analysis is also carried out to obtain a closed form approximate solution of the fiber load diffusion problem. The extent of the slip zone and the stresses predicted by the shear-lag model are compared with the finite element method results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 170: Symposium N – Interfaces in Composites , 1989 , 59
Copyright
Copyright © Materials Research Society 1990

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