Copper-iron alloy material and preparation method and application thereof
A copper-iron alloy and raw material technology, applied in the field of copper-iron alloy materials and their preparation, can solve the problems of uneven composition, high equipment requirements, and high energy consumption, and achieve the effects of uniform tissue composition, lower melting temperature, and improved yield
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Embodiment 1
[0022] 1. Ingredients: Proportion according to 5wt.% of Cu and 95wt.% of Fe, and weigh the corresponding raw materials, wherein Fe is high-purity iron powder, pellets or blocks with a purity of ≥99.99%, and Cu is electrolytic iron with a purity of ≥99.99%. copper;
[0023] 2. Vacuum arc smelting: put the raw materials weighed into the vacuum arc smelting furnace, control the arc gun to melt the metal raw materials, make the melt composition uniform through electromagnetic stirring, and then obtain the iron-copper master alloy ingot in the water-cooled mold; scan see photos figure 1 , EDS spectrum see Figure 4 , the measured chemical composition (wt.%) is Fe: 95.01%, Cu: 4.99%;
[0024] 3. Crucible furnace smelting: mix iron-copper master alloy ingots with electrolytic copper according to the weight percentage of 20wt.% Fe and 0.002wt.% La, place the ingredients in a graphite crucible, heat under vacuum conditions, and smelt The temperature is 1250°C, and mechanical stirrin...
Embodiment 2
[0029] 1. Ingredients: According to the ratio of 10wt.% Cu and 90wt.% Fe, the corresponding raw materials are weighed, wherein Fe is high-purity iron powder, pellets or lumps with a purity of ≥99.99%, and Cu is electrolytic iron with a purity of ≥99.99%. copper;
[0030] 2. Vacuum arc smelting: put the raw materials weighed into the vacuum arc smelting furnace, control the arc gun to melt the metal raw materials, make the melt composition uniform through electromagnetic stirring, and then obtain the iron-copper master alloy ingot in the water-cooled mold; scan see photos figure 2 , EDS spectrum see Figure 5 , its chemical composition (wt.%) is measured as Fe: 90.04%, Cu: 9.96%;
[0031] 3. Crucible furnace smelting: mix iron-copper intermediate alloy ingots with electrolytic copper according to the weight percentage of 10wt.% Fe, 0.05wt.% La, put the ingredients in a graphite crucible, heat under vacuum conditions, and smelt The temperature is 1230°C, apply mechanical sti...
Embodiment 3
[0036] 1. Ingredients: Proportioning according to Cu is 20wt.%, Fe is the balance, and the corresponding raw materials are weighed, wherein Fe is high-purity iron powder, grain or block with a purity of ≥99.99%, and Cu is electrolytic copper with a purity of ≥99.99% ;
[0037] 2. Electric vacuum arc smelting: Put the raw materials weighed into the vacuum arc smelting furnace, control the arc gun to melt the metal raw materials, make the melt composition uniform through electromagnetic stirring, and then obtain the iron-copper master alloy ingot in the water-cooled mold; Its scanned photo see image 3 , EDS spectrum see Figure 6 , the measured chemical composition (wt.%) is Fe: 79.99%, Cu: 20.01%;
[0038]3. Crucible furnace smelting: mix iron-copper master alloy ingot with electrolytic copper according to 5wt.% Fe, 0.02wt.% La, place in graphite crucible, heat under vacuum condition, melting temperature is 1200 ℃, apply mechanical Stir, stir evenly, keep warm for 5-20 minu...
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