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Fatigue characteristics of high glass content sheet molding compound (SMC) materials

✍ Scribed by P. K. Mallick

Publisher
Society for Plastic Engineers
Year
1981
Tongue
English
Weight
374 KB
Volume
2
Category
Article
ISSN
0272-8397

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✦ Synopsis

Abstract

Static and fatigue properties of high glass content sheet molding compound (SMC) materials were studied at various temperatures. It was shown that the matrix plays an important role in both fatigue characteristics and failure mechanism of such randomly oriented short fiber composites. Specifically, vinyl ester matrix shows better fatigue properties and post‐fatigue performance than the polyester system considered here.

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✍ S. V. Hoa; Q. B. Nguyen 📂 Article 📅 1983 🏛 Society for Plastic Engineers 🌐 English ⚖ 406 KB

## Abstract The temperature increase in flexural fatigue testing of sheet‐molding compound SMC‐R65 is investigated within a range of testing frequencies from 1000 cpm to 2200 cpm. Variation of the testing frequency affects the temperature increase and, based on 10 percent reduction in flexural stif