Patent ID: 6478832
Filing Date: 2002-11-12
Classification: B24D

Abstract:
A metal-bonded grinding stone which comprises:(A) abrasive grains of at least one member selected from the group consisting of diamond, cubic boron nitride, silicon carbide and aluminum oxide, (B) a bonding material made of at least one metal selected from the group consisting of cobalt, nickel and copper, or a bonding material made of an alloy comprising at least one member selected from the group consisting of cobalt, nickel and copper, and at least one member selected from the group consisting of iron, silver, tin, zinc and tungsten, and (C) amorphous carbon derived from a synthetic resin as an adjuvant, wherein the abrasive grains (A) and the amorphous carbon (C) are distributed in the bonding material (B) in a sea-island structure.