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Magnesium alloy and preparation method thereof

A magnesium alloy and mixed gas technology, applied in the field of metal surface treatment, can solve the problems of restricting the wide application of magnesium alloys, difficult to take into account, low alloy strength and plasticity, etc.

Inactive Publication Date: 2019-09-13
CITIC DICASTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, magnesium alloys have low alloy strength and plasticity at room temperature, and it is difficult to balance them, which restricts the wide application of magnesium alloys, and magnesium alloys also have the characteristics of low ignition point and flammability, which causes inconvenience to industrial production and further hinders the development of magnesium alloys. Wide application of alloy

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  • Magnesium alloy and preparation method thereof
  • Magnesium alloy and preparation method thereof
  • Magnesium alloy and preparation method thereof

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preparation example Construction

[0056] The embodiment of the present invention also provides a method for preparing a magnesium alloy, the method is applied to any one of the above-mentioned magnesium alloys, and the method includes:

[0057] Heating the solid raw material of Mg to 700-730°C and melting it to form Mg melt;

[0058] heating the solid raw materials of the remaining components to the preset temperature of the component, adding the Mg melt to melt, and stirring for a preset time to form a mixed melt;

[0059] The mixed melt is solidified to form the magnesium alloy.

[0060] In one embodiment, the solid raw material of the remaining components is heated to the preset temperature of the component and then added to the Mg melt to melt, and stirred for a preset time to form a mixed melt, including:

[0061] Respectively heat the solid raw materials of Sn and Zn to 50-100°C, heat the solid raw materials of Al, Mn, Sm, Y, and Ca to 150-250°C, add the Mg melt, and raise the temperature of the Mg melt...

Embodiment 1

[0079] This embodiment provides a magnesium alloy, and the magnesium alloy of this embodiment includes the following components:

[0080] Al: 7.3wt%; Zn: 0.3wt%; Mn: 0.1wt%; Sn: 0.5wt%; Sm: 0.5wt%; Y: 0.05wt%;

Embodiment 2

[0082] This embodiment provides a magnesium alloy, and the magnesium alloy of this embodiment includes the following components:

[0083] Al: 7.3wt%; Zn: 0.3wt%; Mn: 0.1wt%; Sn: 0.7wt%; Sm: 0.3wt%; Y: 0.04wt%;

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Abstract

The invention provides a magnesium alloy and a preparation method thereof. The magnesium alloy is prepared from the following components in percentage by weight: 7.01-9.98% of Al, 0.1-1.2% of Zn, 0.05-0.2% of Mn, 0.3-2.5% of Sn, 0.1-0.5% of Sm, and the balance Mg. According to the magnesium alloy and the preparation method thereof provided by the invention, the magnesium alloy has better strengthand plasticity.

Description

technical field [0001] The invention relates to metal surface treatment, in particular to a magnesium alloy and a preparation method thereof. Background technique [0002] Magnesium alloy is an ideal material for lightweight structure. It has the advantages of low density, high specific strength, easy recycling, and excellent vibration damping, electromagnetic shielding and machining performance. It is widely used in automotive, aerospace, 3C, national defense and other fields. The application has broad application prospects. At present, Mg-Al series alloys mainly include AZ31, AM60, AZ61, AZ80, AZ91 and other commercial alloy grades, which have become the most widely used commercial magnesium alloys. [0003] However, magnesium alloys have low alloy strength and plasticity at room temperature, and it is difficult to balance them, which restricts the wide application of magnesium alloys, and magnesium alloys also have the characteristics of low ignition point and flammabili...

Claims

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Application Information

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IPC IPC(8): C22C23/02C22C1/03C22F1/06B21C23/21B21C29/00
CPCB21C23/21B21C29/003C22C1/03C22C23/02C22F1/002C22F1/06B22D7/005B22D11/001C22C1/02
Inventor 刘春海黄礼新李永飞翟龙丁科迪杨立国
Owner CITIC DICASTAL
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