Tungsten Carbide Nozzle Spark Plasma Sintering Technology

During spark plasma sintering (SPS) process, the electrode through the DC pulse currents and generated discharge plasma, which makes individual particles uniformly distribute, generate Joule heat and particle surface activation. SPS process is similar to microwave sintering, which takes advantage of the self-heating effect inside for sintering. It can be considered as a process that combines the particle discharge, conductive heat and the pressure. Except heating and pressure two promoting factors, SPS technology can make partial melting of the surface and the surface of the material flaking through effective discharge produced local high temperature particles; And removing the impurities of powder grain surface or adsorption by the sputtering of high-temperature plasma and the impact of discharge.















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