Wear-resistant member

Details Wear-resistant member Wear-resistant member

1991-09-19

1993-01-12

Group, Karl

Abrasive tool making process, material, or composition

With inorganic material

51309, 501 87, 501 97, 501 98, 428627, 428660, 428698, B24D 306

Patent

active

051786478

ABSTRACT:
A wear-resistant member formed comprises a sintered ceramic body essentially consisting of 0.1 to 15% by weight of at least one material selected from the group comprising molybdenum carbide, niobium carbide, hafnium carbide, tantalum carbide, tungsten carbide, molybdenum silicide, niobium silicide, hafnium silicide, tantalum silicide, tungsten silicide, molybdenum boride, niobium boride, hafnium boride, tantalum boride, and tungsten boride, 2 to 20% by weight of a boundary phase selected from the group consisting of Si--Y--Al--O--N and Si--Y--Al--O--N--B, and a balance of .beta.-silicon nitride. The wear-resistant member preferably has a metal member bonded to the sintered ceramic body. The wear-resistant member can perform high-load work such as high-speed cutting.

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