Ultrafine tungsten powder has characteristics significantly of high density, high temperature resistant, high hardness, is the important raw materials in a variety of important dingal materials and structural materials, is indispensable high-tech materials of many fields.
Characteristic
Ultrafine tungsten powder has high density, high temperature resistant, high hardness.
Preparation method
Preparation methods of ultrafine tungsten powder has a dry atmosphere reduction method, tungsten trioxide circulation oxidation - reduction method, hydrogen reduction of purple tungsten hydrogen reduction method, halogenate tungsten method, spray drying, fluidized bed method, tungstate reduction process, the molten salt electrolysis method, plasma technology method, etc.
At present, it is highly recommended that the plasma method can produce ultrafine tungsten powder with good quality, clean, little pollution, small size and narrow size distribution.
Application
It has a broad market prospect and has become an indispensable material in many high-tech fields, such as microelectronics industry, fine chemical industry, surface technology, aerospace industry and so on.
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