Cermet blade member

Details Cermet blade member Cermet blade member

1992-10-14

1994-12-27

Turner, A. A.

Stock material or miscellaneous articles

Composite

Of inorganic material

501 87, 501 88, 501 91, 501 92, 501 93, 501 96, 501 98, 501103, 428704, B23B 2714

Patent

active

053764668

ABSTRACT:
A cermet blade member including a cermet substrate is provided which consists essentially of: 0.2% by weight to 8% by weight of a binder phase of at least one binder metal of cobalt and nickel; 5% by weight to 30% by weight of a first hard dispersed phase of at least one material of zirconia and a stabilized zirconia; and the remainder of a second hard dispersed phase of at least one metal carbo-nitride. The metal of the above-mentioned metal carbo-nitride is selected from metals in Group IVA in a periodic table. In addition, a cermet blade member including the cermet substrate and a hard coating layer formed on the surface of the cermet substrate is provided. The hard coating layer consists of at least one layer of a compound selected from a titanium carbide, a titanium nitride, a titanium carbo-nitride, titanium carbo-oxide represented by TiCO, titanium carbo-oxi-nitride represented by TiCNO and an aluminum oxide.

REFERENCES:
patent: 4279651 (1981-07-01), Fujimori et al.
patent: 4660114 (1987-04-01), Yamakawa et al.
patent: 4748138 (1988-05-01), Watanabe et al.
patent: 4770673 (1988-09-01), Ketcham et al.
Chemical Abstract, vol. 11, AN-62369, JP-A-63 303 029, S. Kono, et al., "Sintered Cerment Based on Cubic Boron Nitride".

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