Ultrafine tungsten carbide powder is tungsten carbide powder with particle size ≤0.5μm. It is the basic raw material for the production of ultrafine-grained tungsten carbide. It should be sealed in vacuum and cannot be stored for more than 8 months.
Particle
The particle size of the ultrafine tungsten carbide powder can be measured by using the microscope (SEM, TEM), the laser particle size method, the X-ray line width method and the specific surface area method. The combination of several measurement methods will be more effective.
Applications
Ultrafine tungsten carbide powder is the basic raw material for the production of ultrafine grained tungsten carbide. Under the condition of adding proper binder and grain growth inhibitor, it can produce hard, high wear resistance and high toughness alloy materials, its characteristic than the conventional carbide significantly improve, and the use is more and more widely.
Storage
Ultrafine tungsten carbide powder should be kept in a vacuum seal, and the best storage time is 6 to 8 months. Otherwise it can only be used to suppress the working parts with better stress conditions.
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