Cutting tool

Details Cutting tool Cutting tool

2006-10-31

2006-10-31

Turner, Archene (Department: 1775)

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

C428S698000, C075S238000, C075S240000, C407S119000, C051S307000, C051S309000

Reexamination Certificate

active

07128774

ABSTRACT:
The present invention relates to a cutting tool insert for metal machining comprising tungsten carbide in a binder phase of tungsten or a tungsten alloy. The insert contains, in addition, W2C in an amount such that in the x-ray diffraction pattern the peak ratio W2C(101)/W(110) is <0.3. This particular microstructure is obtained by an additional heat treatment at about 1200° C. after the sintering.

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Mote, J.D et al., “Investigation of a Method to Consolidate Hard Material in a Tough Matrix”, Materials Science Research, Society Off Materials Science, vol. 17, 1984, pp. 696-710.
Lassner, E. et al., “Tungsten. Properties, Chemistry, Technology of the Element, Alloys and Chemical Compounds”, USA, 1999, pp. 130-140.

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