Spinel surfaced objects

Stock material or miscellaneous articles – Composite – Of silicon containing

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Details

427255, 4272554, 427352, 427399, 427431, 428697, 428701, 428702, B32B 904, B32B 1304

Patent

active

043829970

ABSTRACT:
A method for preparing spinel (MgAl.sub.2 O.sub.4) surfaces on alumina or alumino silicate articles or shapes by exposure of the article or shape to molten or vaporous magnesium or magnesium alloy for from two to ten hours under nonpyrophoric conditions.

REFERENCES:
patent: 2912346 (1959-11-01), Kanter
patent: 3155534 (1964-11-01), Bruch
patent: 3155536 (1964-11-01), Freeman et al.
patent: 3253331 (1966-05-01), Limansky
patent: 3450574 (1969-06-01), Read
patent: 3479217 (1969-11-01), Spanoudis
patent: 3740261 (1973-06-01), Bolin
patent: 4159357 (1979-06-01), Grunke

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