Strategies for stable composite structural design

Richard A. Brand

doi:10.1117/12.130717

10 December 1992 Strategies for stable composite structural design

Richard A. Brand

Proceedings Volume 1752, Current Developments in Optical Design and Optical Engineering II; (1992) https://doi.org/10.1117/12.130717
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Advanced composites have been effectively used in space applications such as telescopes, optical benches, and metering structures. As the sophistication of optics and instrumentation increases, the need for near-zero outgassing and extremely dimensionally stable composites becomes of paramount importance. Continuing improvements in resin and reinforcing fiber technology have resulted in a wider selection of materials for the composite designer of dimensionally stable structures. Additional improvements in metal sealing techniques promise unprecedented long-term environmental stability. These new options allow the designer to develop a dimensional stability strategy which conforms to design requirements and yields an optimum, cost-effective composite design approach. This paper addresses the major stability issues in composites and how stability can be predicted for long-term applications, along with design options to achieve program goals. Low-moistureabsorbing composites based on cyanate esters, metal sealing techniques, and long-range stability are also addressed.

Citation Download Citation

Richard A. Brand "Strategies for stable composite structural design", Proc. SPIE 1752, Current Developments in Optical Design and Optical Engineering II, (10 December 1992); https://doi.org/10.1117/12.130717

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