Wire member of cemented carbide

Details Wire member of cemented carbide Wire member of cemented carbide

1988-09-27

1991-11-26

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, 428372, 428379, 428401, 72467, B32B 900, B21C 100

Patent

active

050681494

ABSTRACT:
A cemented carbide contains a binder phase of 4 to 35% by weight of at least one of cobalt and nickel, 1 to 50 ppm by weight of impurities and a hard dispersed phase of balance tungsten carbide. The tungsten carbide has an average crystal grain size ranging from 0.2 to 1.5 .mu.m. The grain size of the impurities is not larger than 10 .mu.m. The binder phase has an average crystal grain size of 5 to 400 .mu.m. The cemented carbide may contain a binder phase of 4 to 35% by weight of at least one of cobalt and nickel, 1 to 50 ppm by weight of impurities, and a hard dispersed phase of 0.1 to 40% by weight of at least one compound and balance tungsten carbide. The compound may be carbides of metals in Groups IV.sub.A, V.sub.A and VI.sub.A of the Periodic Table other than tungsten, nitrides of metals in Groups IV.sub.A and V.sub.A of the Periodic Table or solid solution of at least two of the carbides and nitrides.

REFERENCES:
patent: 4652157 (1987-03-01), Uzawa et al.
Patent Abstracts of Japan, vol. 10; No. 161 (C-352) (2217); Jun. 10, 1986.
Patent Abstracts of Japan, vol. 11, No. 63 (C-406) (2510); Feb. 26, 1987.

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