Zinc alloy suitable for die casting and containing Te and Sc and processing technology thereof
A zinc alloy and alloy technology, applied in the field of alloys, can solve the problems of Sr-containing zinc alloy research, development and application limitations, easy flux inclusions in castings, cumbersome processes, etc., to achieve large-scale industrial application, good fluidity, and reduce The effect of the amount of alloying elements used
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Embodiment 1
[0018] A zinc alloy containing Te and Sc with 450 degree melting suitable for die casting. In terms of weight percentage, the chemical composition of the alloy is: Te: 0.9wt.%, Mn: 0.4wt.%, Sr: 0.9wt.%, Zr: 0.7wt.%, Pd: 0.4wt.%, Sc: 0.2wt .%, Ni: 0.9wt.%, Dy: 0.1wt.%, Pm: 0.5wt.%, 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 10m / min. The ingot can be used as a casting raw material for pressure casting in the subsequent process to prepare complex-shaped zinc alloy castings; the final heat treatment process of these castings is:...
Embodiment 2
[0020] A zinc alloy containing Te and Sc with 480 degree melting suitable for die casting. In terms of weight percentage, the chemical composition of the alloy is: Te: 1.1wt.%, Mn: 0.4wt.%, Sr: 1.2wt.%, Zr: 0.7wt.%, Pd: 0.4wt.%, Sc: 0.2wt .%, Ni: 0.9wt.%, Dy: 0.1wt.%, Pm: 0.4wt.%, 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 material has higher room temperature mechanical properties than traditional zinc-based alloys: the tensile strength is 582MPa; the tensile strength of traditional materials is 400-420MPa. Has...
Embodiment 3
[0022]A zinc alloy containing Te and Sc with 490 degree melting suitable for die casting. In terms of weight percentage, the chemical composition of the alloy is: Te: 1.0wt.%, Mn: 0.3wt.%, Sr: 1.0wt.%, Zr: 0.7wt.%, Pd: 0.4wt.%, Sc: 0.2wt .%, Ni: 0.9wt.%, Dy: 0.1wt.%, Pm: 0.4wt.%, 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 can be used as a casting raw material for pressure casting in the subsequent process to prepare complex-shaped zinc alloy castings; the final heat treatment process of these castings is: ...
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