Predicting the thermoelastic response and relevant material properties of SMC

J. F. Dwyer, J. M. Dulieu-Smith, P. Stanley

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Procedures are described for the prediction of the density, specific heat, coefficient of thermal expansion and thermoelastic constant of an SMC (Sheet Moulding Compound) composite in terms of the properties of the constituent materials (glass fibre, limestone powder and polyester resin) and their respective mass-fractions. The derived property data is presented in the form of triangular contour plots covering the full range of SMC compositions. The thermoelastic response of a number of samples of SMC material, with different glass contents, has been determined experimentally using the SPATE 9000 system. A good level of consistency is demonstrated and, whilst the experimental values of the thermoelastic constant are smaller than the predicted values, the predicted decreasing trend with increasing glass content is clearly shown.

Original languageEnglish
Pages (from-to)655-667
Number of pages13
JournalJournal of Materials Processing Technology
Issue number1-4
StatePublished - Jan 1996


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