A kind of nanometer copper powder and preparation method thereof
A technology of nano copper powder and copper powder, which is applied in the field of heat treatment, annealing and dealloying to prepare nano copper powder, and mechanical ball milling, can solve the problems of high energy consumption and large equipment investment of nano copper powder, and is conducive to mass production, Low cost of raw materials, time and labor saving effect
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Embodiment 1
[0055] Take 27g of copper element powder and 23g of aluminum element powder, with a total mass of 50g, and then add 0.5g of stearic acid to the mixed powder; take two 500ml stainless steel ball mill jars, and configure stainless steel balls with a total mass of 500g respectively (20 steel balls with a diameter of 16mm, and the rest are 9mm), pour two parts of the above-mentioned mixed powder into two ball mill jars respectively, cover the ball mill jars and tighten the bolts.
[0056] Unscrew the vent port of the ball mill tank, put it into the transitional sealed compartment of the vacuum argon glove box, close the compartment door, carry out the operation of vacuuming and introducing argon gas, repeat three times, and then put the gloves in the argon atmosphere protection Open the door of the transition chamber in the box, close and tighten the air port of the ball mill jar, put it back into the transition chamber, take out the ball mill pot, confirm that the air port of the ...
Embodiment 2
[0064] Take 27g of copper element powder and 23g of aluminum element powder, the total mass is 50g, and then add stearic acid with a mass of 0.5g to the mixed powder; take two 500ml stainless steel ball mill jars, and configure stainless steel with a total mass of 500g respectively Balls (20 steel balls with a diameter of 16mm, and the rest are 9mm), pour two parts of the above-mentioned mixed powder into two ball mill jars respectively, cover the ball mill jars and tighten the bolts.
[0065] Unscrew the vent port of the ball mill tank, put it into the transitional sealed compartment of the vacuum argon glove box, close the compartment door, carry out the operation of vacuuming and introducing argon gas, repeat three times, and then put the gloves in the argon atmosphere protection Open the door of the transition chamber in the box, close and tighten the air port of the ball mill jar, put it back into the transition chamber, take out the ball mill pot, confirm that the air por...
Embodiment 3
[0075]Take 27g of copper element powder and 23g of aluminum element powder, the total mass is 50g, and then add stearic acid with a mass of 0.5g to the mixed powder; take two 500ml stainless steel ball mill jars, and configure stainless steel with a total mass of 500g respectively Balls (20 steel balls with a diameter of 16mm, and the rest are 9mm), pour two parts of the above-mentioned mixed powder into two ball mill jars respectively, cover the ball mill jars and tighten the bolts.
[0076] Unscrew the vent port of the ball mill tank, put it into the transitional sealed compartment of the vacuum argon glove box, close the compartment door, carry out the operation of vacuuming and introducing argon gas, repeat three times, and then put the gloves in the argon atmosphere protection Open the door of the transition chamber in the box, close and tighten the air port of the ball mill jar, put it back into the transition chamber, take out the ball mill pot, confirm that the air port...
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