Titanium nitride base cermets with high toughness

Details Titanium nitride base cermets with high toughness Titanium nitride base cermets with high toughness

1983-01-21

1986-01-07

Miller, Edward A.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75239, 75240, 75241, 75244, 419 13, 419 14, B22F 312, C22C 2900

Patent

active

045632154

ABSTRACT:
A titanium nitride base cermet with high toughness comprises, by weight, 42 to 95% of TiN, 2 to 20% of one or more of Mo, W and the carbides thereof, 2.85 to 30% of an Ni, Co or a mixture thereof, and 0.15 to 8.0% of Al.sub.4 C.sub.3, with the balance being inevitable impurities, wherein half or less of TiN may be replaced with one or more of the carbides and/or carbonitrides of metals from the Groups IVa and Va of the periodic table, with the proviso that the amount of TiN is no less than 30% in the cermet.

REFERENCES:
patent: 4065301 (1977-12-01), Tanaka et al.
patent: 4330333 (1982-05-01), Gibbs
patent: 4447263 (1984-05-01), Sugizawa et al.
Chemical Abstracts, vol. 96, No. 6, 1982, Abstract No. 39507, "Composite Cermet Sintered Body".
Chemical Abstracts, vol. 82, No. 10, 1975, Abstract No. 63201e, "Hard Titanium Nitride Base Sinter", Abstract No. 63203g, "Hard Titanium Carbide Base Sinter".

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