Tungsten Carbide Nozzle Traditional Sintering and Microwave Sintering

YG cemented carbide traditional sintering and new microwave sintering has a similarity that both methods are based on the angular WC grains skeleton embedded in Co as binder phase matrix. Difference between them can be observed by a scanning electron microscope, which uses microwave sintering technology YG cement carbide bonded phase sintering almost no presence of W. However, using traditional sintering, which YG tungsten carbide bonded phase sintering of W up to 20%. Meanwhile, microwave sintering using new technology and making WC grains smaller, distribute more uniformly than traditional sintering.

Therefore, the material by microwave is harder and tougher, whose anti-corrosion is 6 times better than the nozzle by traditional sintering. In addition, microwave sintering temperature is lower than traditional sintering, which prevent grains from growing up.























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