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Polycrystalline superhard materials
Polycrystalline superhard materials including diamond polycrystal and cubic boron nitride polycrystal are sintered with diamond micropowder and cubic boron nitride micropowder as the main raw materials under high temperature and high pressure after adding a binder; Although the hardness and heat resistance of the polycrystalline superhard material are slightly poor, its area is larger and its wear resistance is better.
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