Molybdenum disilicide based materials with reduced coefficients

Details Molybdenum disilicide based materials with reduced coefficients Molybdenum disilicide based materials with reduced coefficients

1991-01-18

1995-12-05

Lechert, Jr., Stephen J.

Compositions: coating or plastic

Coating or plastic compositions

Silicon containing other than solely as silicon dioxide or...

1062871, 10620713, 10628734, 419 9, 419 13, 419 17, 419 19, 427450, 427452, 428552, 428564, C09K 300

Patent

active

054724872

ABSTRACT:
Molybdenum disilicide base materials and methods for producing them are described. Mixtures of MoSi.sub.2 powder and other powders including SiO.sub.2, Si.sub.3 N.sub.4, SiC and Mo.sub.5 Si.sub.3 are plasma sprayed. Another embodiment which involves oxidation of MoSi.sub.2 is also disclosed. The resistant materials have particular utility as coatings for Nb alloys.

REFERENCES:
patent: 3688018 (1972-08-01), Hiscocks
patent: 3723165 (1973-03-01), Longo et al.
patent: 4696855 (1987-09-01), Pettit, Jr. et al.
patent: 4888247 (1989-12-01), Zweben et al.
patent: 4912542 (1990-03-01), Suguro
patent: 4916030 (1990-04-01), Christodoulou et al.
Henne, Rudolf and Weber, Winfried, "Progress in the Development of High-Temperature Oxidation-Preventing Coatings For Molybdenum By Application of the Low-Pressure Plasma-Spraying Method", High Temperatures-High Pressures, 1986, vol. 18, pp. 223-232.

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