Cutting member

Details Cutting member Cutting member

2005-03-29

2005-03-29

Turner, Archene (Department: 1775)

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

C051S307000, C051S309000, C075S236000, C075S241000, C075S242000

Reexamination Certificate

active

06872234

ABSTRACT:
The cutting member comprises WC, two or more solid solutions of WC and compounds selected from carbides, nitrides and carbonitrides of metals of the groups 4a, 5a and 6a in the Periodic Table, and at least one metal of the iron group; and at least one of the two or more solid solutions being a solid solution having a high Nb or Zr content, whereby the wear resistance and plastic deformation resistance are improved in case of cutting hardly machinable materials such as stainless steel, thereby making it possible to prolong the service life of the cutting member.

REFERENCES:
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patent: 4279651 (1981-07-01), Fujimori et al.
patent: 4451292 (1984-05-01), Hall et al.
patent: RE34180 (1993-02-01), Nemeth et al.
patent: 5447549 (1995-09-01), Yoshimura
patent: 5580666 (1996-12-01), Dubensky et al.
patent: 6007598 (1999-12-01), Dunmead et al.
patent: 6207262 (2001-03-01), Ichikawa et al.
patent: 214679 (1987-03-01), None
patent: 759480 (1997-02-01), None
patent: 05339659 (1993-12-01), None
patent: 10225804 (1998-08-01), None
patent: 10280947 (1998-10-01), None
patent: 11277304 (1999-10-01), None

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