Cemented carbonitride alloy with improved plastic deformation re

Details Cemented carbonitride alloy with improved plastic deformation re Cemented carbonitride alloy with improved plastic deformation re

1987-11-17

1989-08-15

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 13, C22C 2904

Patent

active

048571083

ABSTRACT:
The present invention relates to an alloy for cutting tools comprising 75-97% by weight of a hard carbonitride component and 3-25% by weight of a binder metal, the hard component comprising titanium as the main metallic component besides tungsten, molybdenum, tantalum and optionally vanadium and as non metallic components carbon and nitrogen. The binder metal is selected from the group consisting of iron, cobalt and nickel.
The plastic deformation resistance of the alloy has been improved by adding tantalum as a mixed carbide (Ti,Ta)C possibly also including Nb.

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patent: 4563215 (1986-01-01), Yamamoto et al.
patent: 4636252 (1987-01-01), Yoshimura et al.
patent: 4639352 (1987-01-01), Kodana et al.

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