Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1989-07-15
1989-12-05
Lechert, Jr., Stephen J.
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75237, 75242, 75244, C22C 2904
Patent
active
048850306
ABSTRACT:
Methods are disclosed of making and of using a high density high strength titanium diboride comprising material. The method of making comprises (a) compacting a mixture of titanium diboride, 5-20% by weight of a metal group binder, and up to 1% oxygen and up to 2% graphite, the mixture having a maximum particle size of 5 microns, and (b) sintering the compact to substantially full density. The TiB.sub.2 may be replaced by up to 10% TiC. The method of use is as a cutting tool at relatively high speeds against aluminum based materials.
REFERENCES:
patent: 4145213 (1979-03-01), Oskarsson et al.
patent: 4246027 (1981-01-01), Watanabe et al.
patent: 4266977 (1981-05-01), Steiger
patent: 4673550 (1987-06-01), Dallaire et al.
patent: 4689077 (1987-08-01), Chevigne et al.
Moskowitz David
Phillips Charles W.
Ford Motor Company
Lechert Jr. Stephen J.
Malleck Joseph W.
May Roger L.
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