Hard tantalum nitride base alloys

Details Hard tantalum nitride base alloys Hard tantalum nitride base alloys

1976-11-05

1978-06-20

Schafer, Richard E.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75204, 75205, 75224, 75227, 75244, C22C 105, C22C 2900

Patent

active

040959783

ABSTRACT:
The invention relates to hard fritted alloys and a method for their preparation. These alloys essentially contain cubic tantalum nitride with a binder based on carbides or nitrides of metal of groups IV-A and V-A, likewise of cubic structure, fritted at a temperature from 1400.degree. to 1700.degree. C at a nitrogen pressure from 30 to 200 bars. They are particularly appropriate for the manufacture of tools for cutting metal.

REFERENCES:
patent: 2040592 (1936-05-01), Becker
patent: 3379520 (1968-04-01), Chang
patent: 3409416 (1968-11-01), Yates
patent: 3409419 (1968-11-01), Yates
patent: 3713906 (1973-01-01), Thyne
patent: 3741733 (1973-06-01), Kieffer

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