Method for preparing tungsten-nickel hard alloy
A hard alloy, tungsten-nickel technology, applied in the field of tungsten-nickel hard alloy preparation, can solve the problems of impure steel material, limited life, inaccurate measurement, etc., and achieve the effect of improving acid and alkali resistance
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[0011] First, prepare the raw materials according to the following weight percentages:
[0012] 90% WC powder, 9.6% Ni powder and 0.4% Cr 3 C 2 powder. The raw materials of different particle sizes are divided into Example 1 to Example 6, as shown in the following table.
[0013] Example
[0014] After mixing and ball milling the prepared raw materials for each example in a ball mill for 36 hours, the mixture with the particle size shown in the above table was obtained, and the mixture was settled for 24 hours, dried for 100 minutes, and the temperature was controlled at 85°C.
[0015] Then add 10ml per 1Kg of mixed raw materials to mix with glue, add 0.1Kg per 1Kg of mixed raw materials to mix with molding agent SBS, and press to form.
[0016] Finally, it is sintered in a vacuum furnace, and the temperature is increased from 300°C to 1450°C, and then down to room temperature.
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