Affiliation:
1. Polymers Department General Motors Research Laboratories Warren, MI 48090-9055
Abstract
Surface waviness in glass fiber reinforced composites is predominately due to dif ferences in the thermal expansion properties of the resin and the reinforcement. A model has been developed which simulates the surface deformation of glass fiber reinforced composites as a function of factors such as molding temperature, thickness of glass fibers, and the thermal expansion properties of the resin and the glass. Application of a top layer helps to conceal fiber readout which is a type of surface waviness. Based on the predic tions of the model, increasing the top layer thickness is more effective than increasing the top layer stiffness.
Subject
Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites
Cited by
12 articles.
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