Superhard composite abrasive material and preparation method thereof

Abstract

The invention discloses superhard composite abrasive material and a preparation method thereof. The superhard composite abrasive material is composed of the following components by weight: 10%-90% of cubic boron nitride and / or diamond and 10%-90% of an additive, wherein the additive is any one or a combination of oxide, nitride, carbide, carbonitride, aluminium nitride, garnet and doped metal. The superhard composite abrasive material combines cubic boron nitride and / or any one or a combination of oxide, nitride, carbide, carbonitride, aluminium nitride, garnet and doped metal. The obtained composite abrasive material has relatively high hardness and toughness, high milling capacity, high efficiency, relatively good abrasive resistance, thermal stability and chemical stability, and relatively long service life. Meanwhile, little raise dust is produced in a processing process of the abrasive material, thereby preventing pollution to ambient air and being suitable for processing processes of metal cutting and polishing.

Description

technical field

[0001] The invention belongs to the technical field of superhard composite materials, in particular relates to a superhard composite abrasive, and also relates to a preparation method of the superhard composite abrasive. Background technique

[0002] Abrasive is a granular material with high hardness and certain mechanical strength, which is used to make abrasive tools or directly for grinding and polishing. Abrasives are widely used in industry, especially when processing high-precision or low-roughness parts or hard parts, abrasives and grinding tools are essential. Generally speaking, abrasives have the following basic characteristics: 1) high hardness, the hardness of the abrasive must be higher than the hardness of the object being processed; 2) moderate resistance to crushing and self-sharpening; 3) good thermal stability and chemical stability.

[0003] At present, the cutting and grinding of metals all use common abrasives, such as cutting and grind...