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US 6,193,770 B1Granted
Brazed diamond tools by infiltration
OwnerChien-Min Sunginventor
Life of this patent
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Abstract
The present invention describes a diamond tool with diamond bonded chemically by a braze that contains either Cr, Mn, SI, or Al or mixtures or alloys thereof. The diamond tool is made by infiltrating the braze into a matrix metal that contains diamond in either form of grits or polycrystalline bodies.
Claims12
A method of forming a diamond impregnated tool comprising the steps of:
- a) providing an amount of a matrix support material comprising a mixture of a powder and an organic binder;
- b) shaping said matrix support material;
- c) forming a plurality of holes in the shaped matrix support material which are sufficient to receive diamond particles;
- d) distributing an amount of diamond particles into the holes;
- and
- e) infiltrating the shaped matrix support material with a diamond braze which comprises a metal alloy containing between 2 and 50 percent of an element selected from the group consisting of chromium, manganese, silicon, and aluminum.
3 more elements
Dependencies are inferred from the claim text.