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Photoelastic Determination of Interfacial Shear Stresses in Model Composites

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Abstract:

Phase-stepping photoelasticity has been used to study the fragmentation of an E-glass fibre in epoxy resin and examine quantitatively the effect of a transverse matrix crack on the stress transfer at an interphase. Unsized glass fibre was coated by plasma polymerisation with a crosslinked conformal film of 90% acrylic acid and 10% 1,7-octadiene. The micro-mechanical response at the fibre-matrix interphase and in the adjacent matrix has been described in detail using contour maps of fringe order. From these, the interfacial shear stress profiles at fibre-break have been calculated.

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Periodical:

Key Engineering Materials (Volumes 334-335)

Pages:

289-292

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.334-335.289

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Online since:

March 2007

Authors:

F.M. Zhao, Z. Liu, F.R. Jones

Keywords:

Fragmentation Test, Interfacial Shear Stress, Interphase, Photoelasticity, Stress Transfer, Transverse Matrix Crack

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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