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In and Ba containing zinc alloy suitable for pressure casting and processing technology thereof

A processing technology, zinc alloy technology, applied in the field of alloys, can solve the problems of zinc-barium alloy research, development and application limitations, castings are prone to flux inclusions, complex equipment, etc., to achieve large-scale industrial application, good fluidity, cutting tools The effect of life extension

Inactive Publication Date: 2018-03-09
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 zinc-barium alloys are limited.
Therefore, in the industrial and national defense fields that are in urgent need of large-scale use of zinc-barium alloys, there have always been existing problems such as low output, cumbersome processes, and high costs that need to be overcome urgently.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A zinc alloy containing In and Ba suitable for die-casting with 450 degree melting. In terms of weight percentage, the chemical composition of the alloy is: Ba:0.9wt.%, In:1.4wt.%, Pd:0.2wt.%, Cu:0.6wt.%, Ge:0.8wt.%, Y:0.2wt .%, Mo: 0.3wt.%, Hf: 0.1wt.%, Gd: 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 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 subsequent processes to prepare complex-shaped zinc alloy castings; the final heat treatment process of these castings is: vacuum s...

Embodiment 2

[0020] A zinc alloy containing In and Ba suitable for die-casting with 480-degree melting. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.0wt.%, In: 1.3wt.%, Pd: 0.2wt.%, Cu: 0.6wt.%, Ge: 0.9wt.%, Y: 0.2wt .%, Mo: 0.3wt.%, Hf: 0.1wt.%, Gd: 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 ingot can be used as a casting raw material for pressure casting in subsequent processes to prepare complex-shaped zinc alloy castings; the final heat treatment process of these castings is: va...

Embodiment 3

[0022]A zinc alloy containing In and Ba with 490 degree melting suitable for die casting. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.1wt.%, In: 1.4wt.%, Pd: 0.2wt.%, Cu: 0.7wt.%, Ge: 0.8wt.%, Y: 0.2wt .%, Mo: 0.3wt.%, Hf: 0.1wt.%, Gd: 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 subsequent processes to prepare complex-shaped zinc alloy castings; the final heat treatment process of these castings is: vac...

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Abstract

The invention discloses a zinc alloy containing In and Ba suitable for die casting. By weight percentage, the chemical composition of the alloy is: Ba:0.8‑1.2wt.%,In:1.2‑1.5wt.%,Pd:0.2‑0.3wt.%,Cu:0.6‑0.8wt.%,Ge:0.5‑ 1.0wt.%, Y: 0.1‑0.3wt.%, Mo: 0.2‑0.4wt.%, Hf: 0.1‑0.2wt.%, Gd: 0.2‑0.5wt.%, and the balance is zinc. Compared with traditional zinc alloys, the material has excellent casting properties and mechanical 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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