Method of making transition metal carbide and boride powders

Details Method of making transition metal carbide and boride powders Method of making transition metal carbide and boride powders

1992-10-26

1994-08-16

Lewis, Michael

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

423297, 423439, 423440, 51307, C04B 3556, C01B 3130, C01B 3504, C01B 3134

Patent

active

053385233

ABSTRACT:
A process for the production of high purity, high surface area, submicron size transition metal carbides and borides which comprises mixing transition metal oxide with carbon in an amount sufficient to form the corresponding carbide or boride, heating the reactants at a temperature of higher than 1000.degree. C. under a small pressure of non-reacting gas and then holding the temperature whilst applying simultaneously subatmospheric pressure and agitation until the reaction is complete.

REFERENCES:
patent: 4008090 (1977-02-01), Miyake et al.
patent: 4121946 (1978-10-01), Chuiko et al.
patent: 4664899 (1987-05-01), Kimmel et al.

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