Submicron tungsten powder can improve the strength and toughness of materials, reduce the metal plasticity and brittle transition temperature, and greatly improve the properties of metal and alloy. Moreover, if the particle size distribution of submicron tungsten powder is very narrow, the sintered material will remain fine grain, which has a great influence on the mechanical properties of the material.
Application
Submicron tungsten powder 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 and aerospace industry.
Application
Using pure secondary ammonium tungstate cyclic oxidation reduction to prepare submicron spherical tungsten powder, are less polluted, narrow particle size distribution range, simple and feasible process route, process parameter is easy to control, simple equipment, and is suitable for industrialized mass production, etc., and obtain the sub-micron spherical tungsten powder particles, is advantageous to the tungsten powder compact in the process of sintering shrinkage homogenization, which can realize good size control.
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