Iron-based high-damping alloy with high thermal conductivity and preparation method thereof
A high-damping alloy, iron-based technology, applied in the field of alloys, can solve the problems of using temperature only to about 80 degrees, low density, low damping coefficient, etc., to achieve low production cost, improved high temperature resistance, and simple processing methods. Effect
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Embodiment 1
[0013] An iron-based high-damping alloy, in terms of weight percentage, the chemical composition of the alloy is: Cr: 6.5%, Si: 1.2%, Al: 4.6%, Hf: 1.8%, Cu: 5.6%, B: 1.4%, Sn : 2.9%, Co: 2.1%, the balance is Fe. The preparation method of the alloy: add the raw materials in the above proportion into a vacuum induction electric furnace and use an alumina crucible, induction heating to 1700°C to form an alloy solution, and use electromagnetic stirring to fully stir for 10 minutes and then keep the temperature for 10 minutes. The alloy liquid is poured into a water-cooled iron mold at 1700°C to form a casting. Take out the casting after it is completely solidified. The subsequent heat treatment process is: vacuum solution treatment at 1100°C, furnace cooling after 10 hours. Forged rods of required diameter in the range of 850-950 degrees. Then, vacuum annealing was performed at 1100°C for 2 hours. The mechanical properties, damping properties and heat transfer properties of th...
Embodiment 2
[0015] An iron-based high damping alloy. The chemical composition of the alloy is calculated by weight percentage: Cr: 7.2%, Si: 1.9%, Al: 5.3%, Hf: 1.6%, Cu: 6.3%, B: 1.3%, Sn : 3.1%, Co: 2.6%, the balance is Fe. The preparation method of the alloy: add the raw materials in the above proportion into a vacuum induction electric furnace and use an alumina crucible, induction heating to 1750°C to form an alloy solution, and use electromagnetic stirring to fully stir for 10 minutes and then keep the temperature for 10 minutes. The alloy liquid is poured into a water-cooled iron mold at 1750°C to form a casting. Take out the casting after it is completely solidified. The subsequent heat treatment process is: vacuum solution treatment at 1100°C, furnace cooling after 10 hours. Forging in the range of 850-950℃ to form bars of required diameter. Then, vacuum annealing was performed at 1100°C for 2 hours. The mechanical properties, damping properties and heat transfer properties of...
Embodiment 3
[0017] A manganese-based high-damping alloy. The chemical composition of the alloy is calculated by weight percentage: Cr: 7.6%, Si: 1.3%, Al: 5.1%, Hf: 2.3%, Cu: 4.9%, B: 1.6%, Sn : 2.8%, Co: 2.6%, the balance is Fe. The preparation method of the alloy: add the raw materials in the above proportion into a vacuum induction electric furnace and use an alumina crucible, induction heating to 1720°C to form an alloy solution, and use electromagnetic stirring to fully stir for 10 minutes and then keep it for 10 minutes. The alloy liquid is poured into a water-cooled iron mold at 1720°C to form a casting. Take out the casting after it is completely solidified. The subsequent heat treatment process is: vacuum solution treatment at 1100°C, furnace cooling after 10 hours. Forged rods of required diameter in the range of 850-950 degrees. Then, vacuum annealing was performed at 1100°C for 2 hours. The mechanical properties, damping properties and heat transfer properties of the obtain...
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