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Title: An improved analysis of the stresses in a single-fibre fragmentation test - II. 3-phase model
Authors: Wu, W. ×
Verpoest, Ignace
Varna, Janis #
Issue Date: 1998
Publisher: Elsevier Applied Science Publishers
Series Title: Composites Science and Technology vol:58 issue:1 pages:41-50
Abstract: A new model has been developed for the analyses of the stress state in a single;fibre specimen containing a coated fibre. This model is a generalization of the 2-phase model developed in Part I-1 for the case of 3 phases: fibre/ coating/matrix. The stress distributions in radial and axial directions are obtained by using the principle of minimum complementary energy. Assumptions made to Simplify the stress analysis are: (a) the axial stress distribution is uniform across the fibre cross-section; (bl the axial stress distribution is uniform across the coating thickness; (c) the non-uniform axial stress distribution in the matrix is given by a decreasing function which is obtained by a minimization procedure. The model developed has been used in a parametric analysis to determine the effect of the coating properties and geometry, on the rate of stress transfer and shear stress concentration at the fibre end. (C) 1998 Elsevier Science Ltd. All rights reserved.
ISSN: 0266-3538
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Mechanical Metallurgy Section (-)
× corresponding author
# (joint) last author

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