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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

Inactive Publication Date: 2018-04-03
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has the disadvantages of high cost to varying degrees, flux inclusions in castings, and complicated equipment.
Therefore, the research, development and application of Sr-containing zinc alloys are limited.
Therefore, in the industrial and national defense fields that urgently need large-scale use of Sr-containing zinc alloys, there are always existing problems such as low output, cumbersome processes, and high costs that need to be overcome.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention discloses a zinc alloy containing Te and Sc suitable for die-casting and its processing technology. In terms of weight percentage, the chemical composition of the alloy is: Te:0.8‑1.2wt.%, Mn:0.2‑0.5wt.%, Sr:0.8‑1.2wt.%, Zr:0.6‑0.8wt.%, Pd:0.4‑ 0.5wt.%, Sc: 0.2‑0.3wt.%, Ni: 0.8‑1.5wt.%, Dy: 0.1‑0.2wt.%, Pm: 0.2‑0.6wt.%, and the balance is zinc. Compared with traditional zinc alloys, this material has excellent casting properties.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] Zinc alloy is a cheap, energy-saving and high-quality new material that has been widely used at home and abroad in recent decades. It has the advantages of high tensile strength and hardness, good damping, good wear resistance, small friction coefficient, low friction temperature rise, and low material and manufacturing costs. At the same time, it also has good process performance, not only can be used for die casting, but also suitable for sand mold, metal mold, graphite mold, continuous casting, etc. Moreover, the source of raw materials is wide, the price is low, the energy consumption is low when melting, no pollution, and the service life is long. It is a new type of alloy that is developing rapidly at home and abroad. At present, it has been used in industry to partially replace structural materials such as bronze, brass, cast ir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/00C22C1/02C22F1/16C22F1/02
CPCC22C18/00C22C1/02C22F1/02C22F1/165
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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