Metal bonded diamond wheel

Details Metal bonded diamond wheel Metal bonded diamond wheel

1989-02-01

1990-12-18

Lieberman, Paul

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51295, 51298, 75228, 75242, 428570, B24D 302

Patent

active

049777106

ABSTRACT:
The metal bonded diamond wheel of the invention has a sintered body of a mixture of a diamond powder and a bonding metal powder. The particles of the bonding metal powder or, preferably, particles of both of the diamond powder and the bonding metal powder are provided, prior to powder metallurgical sintering, with a coating layer of iron, cobalt or nickel, in a thickness of 0.5 to 15 .mu.m. When sintered under adequate conditions, the sintered body has pores in a porosity of 10 to 25% and exhibits greatly improved grinding performance relative to the durability in grinding works and sharpness of grinding with a decreased resistance of grinding.

REFERENCES:
patent: 4246006 (1981-01-01), Phaal
patent: 4278448 (1981-07-01), Ishizuka et al.
patent: 4362535 (1982-12-01), Isobe et al.
patent: 4373934 (1983-02-01), Hayden
patent: 4399167 (1983-08-01), Pipkin
patent: 4591363 (1986-05-01), Silverman
patent: 4591364 (1986-05-01), Phaal
patent: 4618349 (1986-10-01), Hashimoto et al.

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