25 November 1996 New high-thermal-conductivity composite material for high-precision space optics
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Abstract
This paper reports on the newly developed graphite-cyanate composite pipes for high-precision space optics such as the Solar-B optical telescope. Fundamental mechanical, thermal, and hygroscopic properties of unidirectional graphite- cyanate laminates were evaluated, first. The orientation of fibers in the pipe was designed to minimize longitudinal thermal deformation. Model pipes were fabricated based on the design, and have conducted a series of measurements to evaluate the thermal expansion behavior, the hygroscopic performance, the thermal conductivity, and the long-term stability. Excellent performance of the pipe was successfully verified and the material was found to be the most promising candidate for space optics structures.
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Tsuyoshi Ozaki, Tsuyoshi Ozaki, Chihiro Ikeda, Chihiro Ikeda, Minoru Isoda, Minoru Isoda, Saku Tsuneta, Saku Tsuneta, "New high-thermal-conductivity composite material for high-precision space optics", Proc. SPIE 2804, Missions to the Sun, (25 November 1996); doi: 10.1117/12.259709; https://doi.org/10.1117/12.259709
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