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Proceedings Paper

Use of graphite epoxy composites in the solar-A soft x-ray telescope
Author(s): Bruce K. Jurcevich; Marilyn E. Bruner
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Paper Abstract

This paper describes the use of composite materials in the Soft X-Ray Telescope (SXT). One of the primary structural members of the telescope is a graphite epoxy metering tube. The metering tube maintains the structural stability of the telescope during launch as well as the focal length through various environmental conditions. The graphite epoxy metering tube is designed to have a negative coefficient of thermal expansion to compensate for the positive expansion of titanium structural supports. The focus is maintained to + or - 0.001 inch by matching the CTE of the composite tube to the remaining structural elements.

Paper Details

Date Published: 1 October 1990
PDF: 10 pages
Proc. SPIE 1303, Advances in Optical Structure Systems, (1 October 1990); doi: 10.1117/12.21523
Show Author Affiliations
Bruce K. Jurcevich, Lockheed Palo Alto Research Lab. (United States)
Marilyn E. Bruner, Lockheed Palo Alto Research Lab. (United States)


Published in SPIE Proceedings Vol. 1303:
Advances in Optical Structure Systems
John A. Breakwell; Victor L. Genberg; Gary C. Krumweide, Editor(s)

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