Patent ID: 6203897
Filing Date: 2001-03-20
Classification: B22F,C04B,C22C,Y10T

Abstract:
A sintered composite with superabrasive particles of superabrasive material that are distributed in a matrix of an optical-microscopically poreless structure, said matrix comprising a block of refractory compound in skeletal construction with internal gaps among and around said skeletal structure that is formed in an SHS process and metallic phase, said refractory compound being selected from the group consisting of carbide, boride and nitride of each of titanium and zirconium, silicon carbide, silicon nitride and boron carbide, said internal gaps being filled with said metallic phase, which consists of molten-and-solidified metallic material, said superabrasive material being selected from diamond and high pressure polymorphism of boron nitride, and said particles being spread over an area including a working surface of the matrix.