PCD composite sheet with extremely high hardness and unique mechanical properties is sintered at high temperature and high pressure by the mixture of diamond particles and catalyst. During the synthesis process, the diamond particles co-exist, and in the diamond particles

Bridging & quot; bridge & quot; to obtain a PCD material having a catalyst island-like structure similar to monolithic diamond. The structure of the PCD material is different from the PCBN (polycrystalline cubic boron nitride) material. In the PCBN material

There is no cohesive material between the CBN particles and the PCD material, and the diamond particles are interconnected by lattice “bridge”.

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