A kind of mechanical alloying preparation method of nickel aluminum powder
A mechanical alloying, nickel-aluminum technology, applied in the field of material processing, can solve the problems of uneven particle size distribution of powder, small production output, expensive equipment, etc., to improve component uniformity, optimize alloying effect, suppress The effect of oxidation
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[0019] The present invention will be further described below in combination with specific embodiments.
[0020] The mechanical alloying preparation method of nickel-aluminum powder includes the following steps, the selected alloy components include Al: 20-30%, Cr: 2-2.8%, Nb: 1.5-2.5%, Re: 0.2-0.8 %, the balance being Ni,
[0021] Select the element powder corresponding to the above components according to the above atomic percentage, the particle size of the powder is 100-200 microns, and then add it to the ethylene glycol solvent to obtain the mixture, the quality of the ethylene glycol solvent is 4% of the total mass of the element powder times, followed by ultrasonic vibration stirring, stirring for 10 minutes and then heating and concentrating the above-mentioned solvent under the condition of continuing stirring, concentrating ethylene glycol to 1.2 times the total mass of the element powder. Stir mechanically with a rotating shaft. The above process is to make all the...
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