16 September 1992 Development of Zero Coefficient of Thermal Expansion composite tubes for stable space structures
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Abstract
Advanced composite materials are well suited for stable space structures due to their low Coefficient of Thermal Expansion (CTE), high stiffness and light weight. For a given design application, composite hardware can be tailored for strength, stiffness, CTE, and Coefficient of Moisture Expansion (CME). Computer modeling and laminate testing of high modulus graphite/epoxy tubes were evaluated for compressive strength, stiffness, CTE, CME and microcracking. Thermal cycling and microcracking effects on CTE were evaluated. Thin graphite/epoxy plies exhibited reduced microcracking. A zero CTE thin wall tube design resulted from the development program. Recent work on low moisture absorption resin systems is also discussed.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John D. Strock, John D. Strock, "Development of Zero Coefficient of Thermal Expansion composite tubes for stable space structures", Proc. SPIE 1690, Design of Optical Instruments, (16 September 1992); doi: 10.1117/12.137997; https://doi.org/10.1117/12.137997
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