New Technology for Tungsten Carbide Nozzle Reducing abrasion II

At present, there are two coating materials have bright prospects in application. One is artificial diamond PCD coating, which American scientists invent a method for producing nano-diamond immediately under 1.01×10Pa and decreases the production cost of traditional diamond coating. The other is cubic boron carbide CBN coating, its hardness only lower than diamond, which has similar structure with diamond and hardness reach 60Gpa.

Owing to the unique structure and high coherent of nonmaterial, shows a variety of features such as surface effect, size effect, super plasticity and so on. Although tungsten carbide and ceramics have great hardness and toughness, they are all belonging to brittle materials. Especially ceramic materials have been hampered in application because of its own high brittleness.
















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