Process for boriding metals and metal alloys by means of solid b

Details Process for boriding metals and metal alloys by means of solid b Process for boriding metals and metal alloys by means of solid b

1985-06-20

1987-01-20

Silverberg, Sam

Metal treatment

Compositions

Heat treating

148 635, 4272554, C23C 904

Patent

active

046378375

ABSTRACT:
A process is provided for boriding metals and metal alloys in a fluidized bed at a temperature of from about 580.degree. to about 1300.degree. C. As a boriding agent, there was used a granular material comprising essentially spherical particles having a particle size of from about 0.025 to about 5.00 mm, which granular material was manufactured by spray drying a preferably aqueous suspension or dispersion based on materials that yield boron, and which can contain fillers, extenders and binders.

REFERENCES:
patent: 3197328 (1965-07-01), Jung et al.
patent: 3252823 (1966-05-01), Jacobson
patent: 3744979 (1973-07-01), Kalish
patent: 3809583 (1974-05-01), Krzyminski

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