Coefficient of thermal and moisture expansion and moisture absorption for dimensionally stable quasi-isotropic high-modulus graphite fiber/epoxy composites

Christopher Blair; Jerry Zakrzewski

doi:10.1117/12.21534

1 October 1990 Coefficient of thermal and moisture expansion and moisture absorption for dimensionally stable quasi-isotropic high-modulus graphite fiber/epoxy composites

Christopher Blair, Jerry Zakrzewski

Author Affiliations +

Proceedings Volume 1303, Advances in Optical Structure Systems; (1990) https://doi.org/10.1117/12.21534
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

In order to develop dimensionally space stable laminate composite structures a detailed understanding of moisture absorption of composite laminates and the effect of"dryout" on the shrinkage oflaminate structures in the space environment is required. Several new epoxy resins have recently been introduced which are reported to absorb less moisture than the baseline epoxy resins currently used for fabrication of space structures. These are 3M's SP-500, Hexcel F-584 and Toray 3631and are all modified structural epoxy resins. This study describes the mechanical properties and moisture absorption ofthese laminates as well as detailing the coefficient ofthermal expansion and moisture expansion for quasi-isotropic graphite laminates made from these resin systems.

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Christopher Blair and Jerry Zakrzewski "Coefficient of thermal and moisture expansion and moisture absorption for dimensionally stable quasi-isotropic high-modulus graphite fiber/epoxy composites", Proc. SPIE 1303, Advances in Optical Structure Systems, (1 October 1990); https://doi.org/10.1117/12.21534

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