High-wear-resistance high-thermal-conductivity zinc alloy containing strontium and sodium and machining process thereof
A technology with high wear resistance and high thermal conductivity, applied in the field of alloys, can solve the problems of limitations in research, development and application, easy to produce flux inclusions in castings, cumbersome process, etc. , the effect of reducing the amount of alloying elements used
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Embodiment 1
[0018] A 450-degree smelting zinc alloy containing strontium and sodium, high wear resistance and high thermal conductivity. In terms of weight percentage, the chemical composition of the alloy is: Na: 1.1wt.%, Sr: 0.3wt.%, In: 5.2wt.%, Zr: 0.9wt.%, Si: 0.5wt.%, Sn: 2.8wt .%, Yb: 0.4wt.%, Nd: 0.1wt.%, S: 0.9wt.%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the induction furnace under the atmospheric environment, and use a silicon carbide crucible. Induction heating to 450 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is kept at 450 degrees for 10 minutes and poured into the equipment at the same level as the hot top for semi-continuous casting, and the ingot moving speed is 12m / min. The ingot is deformed at room temperature, and the amount of rolling in each pass is 9%; an intermediate heat treatment is required for every 3 passes of rolling t...
Embodiment 2
[0020]A 480-degree smelting zinc alloy containing strontium and sodium, high wear resistance and high thermal conductivity. In terms of weight percentage, the chemical composition of the alloy is: Na: 1.0wt.%, Sr: 0.2wt.%, In: 4.8wt.%, Zr: 0.9wt.%, Si: 0.5wt.%, Sn: 2.9wt .%, Yb: 0.4wt.%, Nd: 0.1wt.%, S: 0.9wt.%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the induction furnace under the atmospheric environment, and use a silicon carbide crucible. Induction heating to 480 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is kept at 480 degrees for 10 minutes and poured into the equipment at the same level as the hot top for semi-continuous casting, and the ingot moving speed is 12m / min. The ingot is deformed at room temperature, and the amount of reduction in each pass is 9%; an intermediate heat treatment is required for every 3 passes of rolling ...
Embodiment 3
[0022] A 490-degree smelting zinc alloy containing strontium and sodium, high wear resistance and high thermal conductivity. In terms of weight percentage, the chemical composition of the alloy is: Na: 1.1wt.%, Sr: 0.2wt.%, In: 6.2wt.%, Zr: 1.1wt.%, Si: 0.7wt.%, Sn: 2.8wt .%, Yb: 0.3wt.%, Nd: 0.1wt.%, S: 0.8wt.%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the induction furnace under the atmospheric environment, and use a silicon carbide crucible. Induction heating to 490 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is kept at 490 degrees for 10 minutes and poured into the equipment at the same level as the hot top for semi-continuous casting, and the ingot moving speed is 12m / min. The ingot is deformed at room temperature, and the amount of rolling in each pass is 8%; every 3 passes of rolling requires an intermediate heat treatment to elimi...
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