Abrasive tool making process – material – or composition – Miscellaneous
Patent
1983-12-29
1985-08-13
Lieberman, Paul
Abrasive tool making process, material, or composition
Miscellaneous
51308, 51309, B24D 300
Patent
active
045347735
ABSTRACT:
An abrasive body is provided which has high strength and an ability to withstand high temperatures making it suitable as a tool insert for dressing tools and surface set drill bits. The body comprises a mass of diamond particles present in an amount of 80 to 90 percent by volume of the body and a second phase present in an amount of 10 to 20 percent by volume of the body, the mass of diamond particles containing substantial diamond-to-diamond bonding to form a coherent skeletal mass and the second phase containing nickel and silicon, the nickel being in the form of nickel and/or nickel silicide and the silicon being in the form of silicon, silicon carbide and/or nickel silicide. The abrasive bodies are made under conditions of elevated temperature and pressure suitable for diamond compact manufacture.
REFERENCES:
patent: 4124401 (1978-11-01), Lee et al.
patent: 4151686 (1979-05-01), Lee et al.
patent: 4224380 (1980-09-01), Bovenkerk et al.
Burnand Richard P.
Phaal Cornelius
Pipkin Noel J.
Lieberman Paul
Thompson Willie J.
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