Preparation method of anti-wear tungsten carbide alloy material
A technology of tungsten carbide alloy and tungsten carbide, which is applied in the direction of carbide, tungsten/molybdenum carbide, etc., can solve the problems of low mechanical strength and poor wear resistance, improve wear resistance, reduce wear, and have broad application prospects Effect
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[0048] Preparation of expanded graphite:
[0049] Weigh the expandable graphite and put it in an oven, dry it at 120~130℃ for 12~14h, put the dried expandable graphite into a microwave reactor, treat it with a power of 1~2kW for 1~2min, and then cool to room temperature naturally , Continue to repeat the microwave treatment and heat and expand 3 to 5 times to obtain expanded graphite;
[0050] Preparation of layered tungsten carbide powder:
[0051] According to the mass ratio of 10:50:1, mix the above-mentioned expanded graphite, ammonium tungstate solution and starch with a concentration of 1mol / L, and put them in an evaporating dish, heat to 100~110℃, heat preservation, evaporation and crystallization until the solution Complete evaporation of water ends;
[0052] Preparation of nanotube particles:
[0053] Grind the crystals obtained above into 500-600 mesh particles, mix them with ammonium bicarbonate and polyvinyl alcohol at a mass ratio of 1:1:10, then put them into a beaker, a...
example 1
[0060] Preparation of expanded graphite:
[0061] Weigh the expandable graphite into an oven and dry it at 120°C for 12 hours. Put the dried expandable graphite into a microwave reactor, treat it with a power of 1kW for 1 min and then cool it to room temperature naturally, continue to repeat the microwave treatment and heat expansion 3 Time, get expanded graphite;
[0062] Preparation of layered tungsten carbide powder:
[0063] According to the mass ratio of 10:50:1, mix the above-mentioned expanded graphite, 1mol / L ammonium tungstate solution and starch into an evaporating dish, heat to 100°C, keep heat and evaporate and crystallize until the water in the solution is complete End of evaporation
[0064] Grind the crystals obtained above into 500-mesh particles, mix them with ammonium bicarbonate and polyvinyl alcohol at a mass ratio of 1:1:10, then put them into a beaker, and then add deionized water with a mass of polyvinyl alcohol to the beaker. Start stirring at 300r / min for 10...
example 2
[0071] Preparation of expanded graphite:
[0072] Weigh the expandable graphite and put it in an oven, dry it at 120~130℃ for 13h, put the dried expandable graphite into a microwave reactor, treat it with 1kW power for 2min, then cool it to room temperature naturally, continue to repeat the microwave heating Expand 4 times to obtain expanded graphite;
[0073] Preparation of layered tungsten carbide powder:
[0074] According to the mass ratio of 10:50:1, the above-mentioned expanded graphite, 1mol / L ammonium tungstate solution and starch are mixed and put into an evaporating dish, heated to 105°C, heat preservation, evaporation and crystallization until the water in the solution is complete End of evaporation
[0075] Preparation of nanotube particles:
[0076] Grind the crystals obtained above into 550 mesh particles, mix them with ammonium bicarbonate and polyvinyl alcohol at a mass ratio of 1:1:10, and put them into a beaker, and then add deionized water of the same quality as pol...
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