Low anisotropic magnetic alloy material and preparation method thereof

An anisotropic, magnesium alloy technology, applied in the field of magnesium alloy materials and their preparation, can solve the problems that cannot be widely used, the price of rare earth elements is high, and the improvement is not large, so as to achieve grain refinement and improve mechanical properties. , Improve the effect of room temperature ductility and deformability
CN102876948BInactive Publication Date: 2014-12-10CHONGQING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING UNIV
Publication Date
2014-12-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a low anisotropic magnesium alloy material and a preparation method thereof. The low anisotropic magnetic alloy material comprises the following components in percentages by weight: 1.0% of Li, 2.5-3.5% of Al, 0.7-1.3% of Zn, 0.2-0.8% of Mn, 0.3% of Al-5Ti-1B, not more than 0.3% of impurity and the balance of magnesium. The preparation method comprises the following steps of: heating pure lithium at a formula amount, an Al-5Ti-1B intermediate alloy and an AZ31 magnesium alloy to 720 DEG C under the conditions of vacuum and inert gas, after completely smelting the alloy, thermally insulating at 700 DEG C and standing for 15 minutes, and pouring the smelted alloy into a mold. According to the invention, the Li and the Al-5Ti-1B intermediate alloy are added in the AZ31 magnesium alloy, so that the intensity of a magnesium alloy basal plan texture is reduced, the anisotropy of the magnetism alloy is reduced, grains are refined, and the mechanical property of the magnesium alloy is improved.
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Description

technical field

[0001] The invention relates to a magnesium alloy material and a preparation method thereof, in particular to a low anisotropy magnesium alloy material and a preparation method thereof. Background technique

[0002] Magnesium alloy has the advantages of low density, high strength, high thermal conductivity, battery shielding, and easy recycling. In recent years, it has been gradually used as a lightweight structural material in the fields of transportation, communications, electronics, aerospace, and other civilian products. Deformed magnesium alloys are usually deformed by extrusion, rolling, forging and other deformation methods to improve the microstructure of the alloy and improve the performance of the magnesium alloy. Magnesium alloy has the characteristics of close-packed hexagonal crystal structure, and there are few independent slip systems under room temperature deformation conditions, resulting in low room temperature plasticity and difficult defo...

Claims

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