High temperature resisted tungsten carbide alloy powder has excellent high temperature resistance and is an important tungsten carbide material and catalytic material with a wide range of application prospects. It can be prepared by spray drying method-fluidized bed method and fixed bed method.
Applications
As a kind of important tungsten carbide material, high temperature resistant tungsten carbide powder is widely used in cutting tools, drills and precision molds and other fields;
High temperature resisted tungsten carbide alloy powder is a kind of catalytic and electrocatalytic material with wide application prospects. It shows good catalytic activity for some hydrogenation reactions, alkane cracking, catalytic reforming, and as a fuel cell catalyst.
Preparation
Currently, various methods can be used to prepare tungsten carbide powders, including high-energy ball milling, fixed bed, spray drying-fluidized bed, plasma, in-situ carburizing, etc. Among them, there are mainly spray drying-fluidized bed and fixed bed methods for industrial applications.
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