Tungsten Carbide Nozzle Plasma Activated Sintering Technology

Plasma activated sintering (for short PAS), which takes advantage of switching DC pulse voltage generated high-temperature plasma among the powder particles or between voids. The plasma is a high-temperature, high reactive ionized gas conductance, and is capable of producing high-temperature about 4000-10000K.

So that the plasma can remove the impurities and gas adsorption of the powder grain surface quickly, which promote the substance spreading and moving, accelerating the sintering process and improving the efficiency. It is similar to self-propagation high-temperature synthesis (SHS) and microwave sintering, which is a kind of process that using the heat of inside powder for instant sintering. In general, tungsten carbide nozzle plasma activated sintering technology has four main steps.



















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