JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
Problems and Progress in the Characterisation and Stress Analysis of Moulded Fibre-Reinforced Composites : A Thermoelastic Approach
Peter StanleyChristopher Garroch
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2000 Volume 43 Issue 4 Pages 296-304

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Abstract

Fibre-reinforced composite components manufactured by compression moulding present special difficulties to the stress analyst because of the spatial variations in the material and mechanical properties developed as a result of the moulding operation. Two procedures have been developed, based on the thermoelastic stress analysis technique, to help in the stress analysis of such components. The first, a development of the Brazilian disc test, allows the directions of the principal material axes, the local fibre content and the princiipal material and mechanical properties at a point in a flat area of a moulding to be determined. In the second procedure, the results of a numerical stress analysis are iteratively modified until a satisfactory comparison with thermoelastic stress data is obtained.

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