Carbide Tools Spark Plasma Sintering

Carbide tools spark plasma sintering (SPS) is a new sintering technology of carbide tools ,which directly between the particles pass through the heating pulse current sintering. Moment when the discharge plasma in the spark plasma sintering (SPS) of the sintering process, the electrode through the DC pulse current, so that the individual particles sinter evenly inside the body itself produces Joule heat and particle surface activation, the use of internal self-heating of the particles were sintering. This discharge direct heating, high thermal efficiency, the discharge point can be dispersed to achieve uniform heating, and therefore easy to prepare a homogeneous, dense, high-quality sintered body. Due to the fast heating rate, skip the surface diffusion process, effective control of grain size.


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