Moisture and viscoelastic effects on the dimensional stability of composites

Ernest G. Wolff

doi:10.1117/12.22865

1 November 1990 Moisture and viscoelastic effects on the dimensional stability of composites

Ernest G. Wolff

Proceedings Volume 1335, Dimensional Stability; (1990) https://doi.org/10.1117/12.22865
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

Dimensional stability is the time dependent strain response to mechanical thermal chemical or physical loads whether internal or externally applied. This paper presents recent work on moisture induced strains and viscoelastic behavior of polymer matrix composite materials. Topics covered include determination of lamina coefficients of moisture expansion (CME) or /11 and P22 and the microyield strength (MYS). It is shown that the creep recovery part of a MYS test can be a sensitive indicator of moisture level and/or matrix damage. 1.

Citation Download Citation

Ernest G. Wolff "Moisture and viscoelastic effects on the dimensional stability of composites", Proc. SPIE 1335, Dimensional Stability, (1 November 1990); https://doi.org/10.1117/12.22865

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