Analysis of fiber pullout or push-in with frictional sliding at the fiber-matrix interface

Kishore Pochiraju, Alan C.W. Lau, Albert S.D. Wang

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The detail stress fields caused by fiber pullout or push-in while the fiber-matrix interface is under compressive thermal residual stress and undergoing frictional sliding are studied. The dominant stress fields in the local region at the immediate vicinity of the fiber protrusion point are solved using Muskhelishvili-Kolosov complex potential theory and asymptotic analysis. Parameteric studies determined the effects cast on the local fields by fiber-matrix material property combination, coefficient of friction, and the direction of relative fiber sliding. Reversing fiber sliding from pullout to push-in completely changes the nature of the local field. Using two specific composite systems as examples (fiber push-in Nicalon/calcium aluminosilicate composite, and fiber pullout in AVCO-SCS-6/borosilicate composite), the germane features of the local fields are independently verified by finite element global analyses.

Original languageEnglish
Pages (from-to)611-631
Number of pages21
JournalComposites Engineering
Volume5
Issue number6
DOIs
StatePublished - 1995

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