Process for preparing molybdenum, molybdenum silicides or carbid

Details Process for preparing molybdenum, molybdenum silicides or carbid Process for preparing molybdenum, molybdenum silicides or carbid

1996-08-28

1998-08-18

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 91, 501 92, 501 963, 501103, 501127, 501128, 423 53, C04B 3558

Patent

active

057958378

ABSTRACT:
The present invention provides a process for preparing a molybdenum, molybdenum silicide or molybdenum carbide/ceramic admixture, comprising dissolving molybdenum trioxide powder with an alkaline solvent to obtain an aqueous solution of molybdate; incorporating ceramic powder with or without silicon and/or carbon powder into the aqueous solution of molybdate to obtain a slurry; and subjecting the slurry to spray drying and reduction to obtain the admixture. The obtained admixture can be formed and sintered into a nanometer-sized and uniformly dispersed molybdenum, molybdenum silicide or molybdenum carbide/ceramic sintered composites.

REFERENCES:
patent: 3393971 (1968-07-01), Vanderpool et al.
patent: 5149677 (1992-09-01), Merzhanov et al.

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