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Method for preparing zinc base alloy

An alloy and zinc-based technology, which is applied in the field of preparation of zinc-based alloys, can solve the problems of high preparation costs and poor mechanical properties of zinc-based alloys

Active Publication Date: 2011-07-13
湖南株冶环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention solves the technical problems of poor mechanical properties and high preparation cost of zinc-based alloys existing in the prior art

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0012] The invention provides a method for preparing a zinc-based alloy, comprising the following steps:

[0013] 1) Preparation of Al-Cu alloy: under the protection of an inert atmosphere or in a vacuum state, heat up until the metal Al is completely melted, add metal Cu under stirring, heat up until the metal Cu is completely melted, keep it warm after cooling down, and obtain an Al-Cu alloy;

[0014] 2) Preparation of Al-Mn alloy: under the protection of inert atmosphere or in a vacuum state, heat up until the metal Al is completely melted, add metal Mn under stirring, heat up until the metal Mn is completely melted, keep the temperature after cooling down, and obtain the Al-Mn alloy;

[0015] 3) Preparation of Al-Ti-B alloy: under the protection of inert atmosphere or vacuum state, heat up to the complete melting of metal Al, add metal Ti and metal B under stirring, heat up to the complete melting of metal Ti and metal B, keep the temperature after cooling down, and obtain ...

Embodiment 1

[0035] (1) Al and Cu are mixed in a mass ratio of 1:1 and placed in a high-frequency induction furnace with an inert gas protection state for smelting;

[0036] (2) Al and Mn are mixed in a mass ratio of 1:2 and placed in a high-frequency induction furnace with an inert gas protection state for smelting;

[0037] (3) Al, Ti and B are mixed in a mass ratio of 5:1:1 and placed in a high-frequency induction furnace with an inert gas protection state for smelting;

[0038] (4) Al-Cu, Al-Mn, Al-Ti-B master alloys, rare earth La, and magnesium raw materials were put into molten Zn solution for smelting, gravity casting and water cooling to obtain the zinc-based alloy S1 of this embodiment.

Embodiment 2

[0040] The zinc-based alloy S2 of this example was prepared by the same steps as in Example 1, except that in step (1), the mass ratio of Al to Cu was 1:1.2.

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Abstract

The invention relates to a method for preparing zinc base alloy, comprising the following steps: firstly respectively preparing Al-Cu alloy, Al-Mn alloy and Al-Ti-B alloy; and then adding the Al-Cu alloy, the Al-Mn alloy, the Al-Ti-B alloy, rare-earth metal and metal Mg into molten metal Zn; after all the substances are melted, slagging, slagging off, casting to form an ingot, and cooling to obtain the zinc base alloy, wherein the Re in the zinc base alloy Zn-Al-Mg-Cu-Re-Mn-Ti-B is the rare-earth metal. By utilizing the preparation method provided by the invention, the temperature can be effectively lowered, thus lowering the requirements on energy and equipment; and meanwhile, the zinc base alloy prepared by the preparation method provided by the invention has excellent mechanical property.

Description

technical field [0001] The invention relates to the field of zinc-based alloys, in particular to a preparation method of zinc-based alloys. Background technique [0002] With the development of science and technology, the scope of mold application is becoming more and more extensive. For the manufacture of product molds with many varieties, small batches or frequent shape changes, such as injection molds, blow molds, compression molds, etc., it is required to have a short manufacturing cycle, The production difficulty is small and the cost is low. The manufacturing cost of steel molds is high and the cycle is long, and zinc-based alloys are widely used in the manufacture of such molds because of their relatively low cost. [0003] The direct use of metal zinc cannot meet the requirements of the mold in terms of plasticity, hardness, and strength. It is usually necessary to add other metals to zinc to improve its physical and mechanical properties. For example, in Zn-Al-Cu-...

Claims

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Application Information

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IPC IPC(8): C22C18/04C22C1/03
Inventor 李正明张伟张德晶陈顺
Owner 湖南株冶环保科技有限公司
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