White thermal control surfaces

Details White thermal control surfaces White thermal control surfaces

1995-06-02

1996-10-22

Bareford, Katherine

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 346, 428328, 428329, 428331, 428702, 206305, 2065243, 427452, 427453, 427455, 427456, B32B 1800, C23C 410

Patent

active

055674909

ABSTRACT:
The present invention resides in a white thermal control surface resistant to darkening due to exposure to X-rays and ultraviolet radiation. The surface comprises a substrate and a ceramic zirconium orthosilicate coating on said substrate. The zirconium orthosilicate coating is obtained by plasma-spray applying particles of zirconium orthosilicate onto the substrate. The particles of zirconium orthosilicate are doped with an oxide of a +3 valent metal. The metal ions of said +3 valent metal oxide are dispersed substantially uniformly throughout said particles.

REFERENCES:
patent: 3847639 (1974-11-01), Broll et al.
patent: 4680048 (1987-07-01), Motoki et al.
patent: 4877705 (1989-10-01), Polidor
patent: 5024423 (1991-06-01), Matsumoto et al.
patent: 5032420 (1991-07-01), Shobert et al.
patent: 5110774 (1992-05-01), Ogura
Publication "Principles and Techniques of Radiation Hardening", by Normal J. Rudie, vol. 3, Third Edition, pp. 31-36, Western Periodicals Company, 1986 (no month date).
Publicatin "Journal of Material Science and Letters" (1991), pp. 1171-1172 (no month date).

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