Tungsten Carbide Nozzle Microwave Sintering Technology IV

The second is the presence of microwave irradiation decreases the activation energy, and it is not easy to grow grains, resulting, which can achieve more uniform fine grain microstructure, and the internal porosity has been reduced so that the products have better ductility and toughness. In addition, the sintering temperature required is also decreasing. Last but not least, microwave sintering can be alternative for material heating.

Different materials have different capacity of absorbing microwave so that we can not only use alternative heating or selective chemical reactions to obtain new materials and new structures, but also can control the heating zone by adds some wave-absorbing material or take advantage of strongly absorbing  material to preheat the transparent material and other methods. Compared to traditional sintering progress, tungsten carbide nozzle microwave sintering is more easily to control and it is save and pollution-free, which deserves to be popularized.

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