Preparation method of deformed high-temperature alloy ingot
A technology for deforming high-temperature alloys and ingots, which is applied in the field of metal material manufacturing, and can solve problems such as high ingot rejection rate, low pass rate, and cracks in alloy ingots, so as to improve pass rate and metallurgical quality, excellent quality, and reduce The effect of inclusions
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Embodiment 1
[0036] Pretreat the raw materials for smelting, cut the raw materials Co plate and Ni plate into small pieces, then bake the small pieces at 400°C, and then make the small pieces in the ratio of H 2 SO 4 :HCl:HNO 3: h 2 O=10%: 15%: 10%: 65% acid solution for pickling treatment, put the prepared raw materials into a vacuum induction furnace for melting, control the melting temperature during the melting process: 1550°C, and control the refining temperature of molten steel : 1530°C, pour electrode rods into the mold at the end of smelting, keep the electrode rods in the furnace for 30 minutes, control the surface temperature of the electrode rods to not be lower than 400°C, and then demould; transfer the demolded electrode rods to the pre-heated furnace immediately Anneal in an annealing furnace preheated to 400°C, heat up to 650°C, hold for 4 hours, cool the furnace to below 100°C and release from the furnace; peel off the skin of the vacuum induction electrode rod, cut off t...
Embodiment 2
[0038] Pretreat the raw materials for smelting, cut the raw materials Co plate and Ni plate into small pieces, then bake the small pieces at 450°C, and then make the small pieces in the proportion of H 2 SO 4 :HCl:HNO 3: h 2 O=15%:8%:5%:72% acid solution for pickling treatment, put the prepared raw materials into a vacuum induction furnace for melting, control the melting temperature during the melting process: 1560°C, and control the refining temperature of molten steel : 1550°C, pour electrode rods into the mold at the end of smelting, keep the electrode rods in the furnace for 35 minutes, control the surface temperature of the electrode rods to not be lower than 400°C, and then demould; transfer the demolded electrode rods to the pre-heated furnace immediately Anneal in an annealing furnace preheated to 400°C, heat up to 700°C, keep warm for 4 hours, cool the furnace to below 100°C and release from the furnace; peel off the skin of the vacuum induction electrode rod and c...
Embodiment 3
[0040] Pretreat the raw materials for smelting, cut the raw materials Co plate and Ni plate into small pieces, then bake the small pieces at 500°C, and then make the small pieces in the ratio of H 2 SO 4 :HCl:HNO 3: h 2 O = 20%: 8%: 10%: 62% acid solution for pickling treatment, put the prepared raw materials into a vacuum induction furnace for melting, control the melting temperature during the melting process: 1560°C, and control the refining temperature of molten steel : 1570°C, at the end of smelting, cast electrode rods in the mold, keep the electrode rods in the furnace for 32Min, control the surface temperature of the electrode rods to not be lower than 400°C, and then demould; transfer the demolded electrode rods to the pre-heated furnace immediately Anneal in an annealing furnace preheated to 400°C, heat up to 750°C, hold for 6 hours, cool the furnace to below 100°C and release from the furnace; peel off the skin of the vacuum induction electrode rod and cut off the...
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