Method for preparing cobalt-substituted prealloying powder from regenerated metal
A technology of pre-alloyed powder and recycled metal, which is applied in the field of preparing cobalt-substituting pre-alloyed powder with recycled metal, which can solve the problems of high sales price and high production cost, and achieve the effects of stable product quality, wide range and low sintering temperature
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Embodiment 1
[0018] Embodiment 1: the preparation method of FeNiCo pre-alloyed powder:
[0019] 1 ton of recovered Fe 70 Ni 21 co 2 Add 45% iron and 2% cobalt to the O alloy and put it into the anode basket together. After 10 days of electrolysis, it goes out of the tank, rinses three times, and then carries out vacuum purification and hydrogen reduction at 450°C. It is crushed and sieved to obtain 1.2 tons of pre-alloyed powder. . The composition of the pre-alloy obtained by chemical analysis is 80.15% iron, 14.98% nickel, 2.43% cobalt, 0.8% oxygen, and other trace metals.
Embodiment 2
[0020] Embodiment 2: the preparation method of FeNiCo pre-alloyed powder:
[0021] 1 ton of recovered Fe 78 Ni 16 co 2 The O alloy was supplemented with 1% cobalt and added to the anode basket together. After electrolysis for seven days, the tank was removed, rinsed three times, vacuum purified and hydrogen reduction at 450 ° C, crushed and sieved to obtain 930 kg of product. The composition of the pre-alloy obtained by chemical analysis is 80.20% iron, 15.18% nickel, 2.63% cobalt, 0.78% oxygen, and other trace metals.
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