Diamond sintered body having high strength and high wear-resista

Details Diamond sintered body having high strength and high wear-resista Diamond sintered body having high strength and high wear-resista

1997-01-17

1998-06-02

Jones, Deborah

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51295, C09C 108

Patent

active

057592160

ABSTRACT:
A method of manufacturing a diamond sintered body includes the following steps: preparing a diamond powder having a particle size within a range of 0.1 to 10 .mu.m, coating the surface of each particle of the diamond powder with a sintering assistant agent including Pd within a range of 0.01 to 40 percent by weight and at least one iron family metal as a remainder, and liquid-phase sintering the coated diamond powder under a high pressure and high temperature condition. In this manner, a diamond sintered body having high strength and high wear-resistance, and containing diamond particles of 80 to 96 percent by volume, can be obtained.

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Research Report No. 58, pp. 38 to 48 of National Institute for Research in Inorganic Materials (Japanese) no date.

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