Preparation of Zirconium Carbide Tungsten Particle Reinforced Composites

The present invention provides a method for preparing zirconium carbide tungsten particle reinforced composites. Specific steps are as follows:

1)Mixed with zirconium carbide and tungsten powder.The mixing method is wet-mixed, the mixing medium can be ethanol, acetone, may be added to steel balls or ceramic balls, the mixed powder was placed in a steel drum and mixed media were mixed, the mixing time for 8-36 hours;

2) Mixed and then dried in the drying chamber, while evaporating ethanol or acetone mixed media, and remove balls or ceramic balls;

3) The mixed powder, first cold press molding at room temperature, and then hot pressing, or not by cold forming direct hot pressing, sintering temperature is 1900 ℃ -2300 ℃, pressure mode for one-way or two-way plus pressure applied pressure 15-45MPa, sintering time is 0.5 to 5 hours incubation, the sintering atmosphere is hydrogen, argon, nitrogen or vacuum.


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