Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1987-10-14
1990-07-17
Nelson, Peter A.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
75230, 75241, 419 10, 419 15, B22F 500
Patent
active
049420976
ABSTRACT:
A cermet cutting tool is provided having a composition containing the following: about 3.5 to about 6.5 w/o (weight percent) nickel; about 4.5 to about 7.5 w/o cobalt, wherein the sum of nickel plus cobalt is between about 8 to 11 w/o; about 20 to about 25 w/o tungsten; about 5 to about 11 w/o molybdenum; up to about 6 w/o tantalum plus niobium; up to about 0.05 w/o chromium; up to about 1 w/o aluminum; and up to about 3 w/o vanadium; with the remainder being essentially titanium, carbon, and nitrogen, wherein at least substantially all the carbon and nitrogen are present as metal compounds selected from the group consisting of metal carbonitrides and mixtures of metal carbonitrides and metal carbides where said metal is selected from the group consisting of tungsten, molybdenum, titanium, tantalum, niobium, vanadium, chromium, their solid solutions and there mixtures.
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Doi, H., "Advanced TiC and TiC-TiN Base Cermets", Science of Hard Materials, (1986), pp. 489-523.
Conley Edward V.
Santhanam Anakkavur T.
Kennametal Inc.
Nelson Peter A.
Prizzi John J.
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