Polycrystalline Diamond Compact: An Overview of Its Advantages

Definition of polycrystalline diamond compact

Polycrystalline diamond compact is an ultrahard composite material made by sintering diamond micropowder as raw material and carbide as the substrate under high-temperature and high-pressure conditions through a specific synthesis process.

Advantages of polycrystalline diamond compact

It has a high impact resistance. Carbide, as the substrate material for polycrystalline diamond compact, has good toughness and certain hardness, as well as weldability, machinability, and compatibility with polycrystalline diamond compact. When subjected to a significant impact, polycrystalline diamond compact will only produce small grain breakage, unlike single-crystal diamond which would break into large fragments. Polycrystalline diamond compact combines the high hardness and low friction coefficient of diamond with the good impact toughness of carbide.

Due to its low coefficient of thermal expansion and high elastic modulus, and the fact that the tool does not easily deform during the cutting process, using polycrystalline diamond compact tools can achieve high processing precision and a good machined surface. With a reasonable process, the polycrystalline diamond compact size can be enlarged to meet the requirements for large-sized tools.

Through laser cutting, polycrystalline diamond compact can be made into specific shapes to meet different processing requirements.

Polycrystalline diamond compact can be tailored for special properties by adjusting the synthesis formula, making the material suitable for different applications.

Made by China abrasive grit factory, Polycrystalline diamond compact has a lower friction coefficient with some non-ferrous metals compared to other materials, about half that of carbide. The low friction coefficient reduces cutting force and deformation, prevents built-up edge during cutting, and reduces the roughness of the machined surface.

With the development of science and technology, the technical level of producing polycrystalline diamond compact has significantly improved. Especially E-Grind polycrystalline diamond compact has reached a certain scale in production and application, and is welcomed by the industry. Polycrystalline diamond compact has become an ideal material for making cutting tools, drilling bits, and other wear-resistant tools.