Abrasive tool making process – material – or composition – With inorganic material – Clay – silica – or silicate
Patent
1984-01-31
1985-12-03
Lieberman, Paul
Abrasive tool making process, material, or composition
With inorganic material
Clay, silica, or silicate
51298, B24D 302
Patent
active
045564035
ABSTRACT:
A diamond abrasive body which comprises a coherent, skeletal diamond mass constituting at least 70 percent by volume of the body and a glass phase comprising up to 30 percent by volume of the body uniformly dispersed throughout the diamond mass. The glass phase has a melting point in the range 800.degree. to 1400.degree. C. The abrasive body has good thermal stability and strength making it suitable for use as an insert for tools such as dressing tools and surface set drill bits. The abrasive body is produced by infiltrating molten glass into a coherent skeletal diamond mass. The glass phase is preferably transformed to a ceramic form by heat treatment of the infiltrated diamond mass.
REFERENCES:
patent: 2495606 (1950-01-01), Schaefer
patent: 2495607 (1950-01-01), Schaefer
patent: 3523773 (1970-08-01), Sears
patent: 4224380 (1980-09-01), Bovenkerk et al.
Almond Eric A.
Gee Mark G.
Lieberman Paul
Thompson Willie J.
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