A five-element magnesium-based amorphous alloy

A technology of amorphous alloys and elements, applied in the field of five-element magnesium-based amorphous alloys, can solve problems such as increasing the formation tendency and stability of amorphous alloys

Inactive Publication Date: 2011-12-14
ZHENJIANG YINUOWEI SHAPE MEMORY ALLOYS
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Problems solved by technology

Increased atomic-scale differences significantly increase the formation propensity and stability of amorphous alloys

Method used

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  • A five-element magnesium-based amorphous alloy
  • A five-element magnesium-based amorphous alloy

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Embodiment 1

[0010] The five-element magnesium-based amorphous alloy was prepared by wedge-shaped copper mold casting method, and the Zn element was used to partially replace the Cu element, and the Nd element was used to partially replace the Y element to prepare Mg. 65 Cu 22 Zn 3 Y 5 Nd 5 Five-element magnesium-based amorphous alloy. Using commercially available high-purity (99.9% mass fraction) bulk metals as raw materials, Cu-Y is first arc-melted into an intermediate alloy, and then put into a double-ventilated air (when heating) together with pure Mg and pure Zn In a low-carbon steel crucible with inert gas protection), heat it to 750°C in a resistance furnace, keep it warm for 2 hours, shake the crucible regularly to make the alloy liquid uniform, and then pour it into a wedge-shaped copper mold that has been dried in advance . from figure 2 It can be seen that when 3% Zn is substituted for Cu and 5% Nd is substituted for Y to form Mg 65 Cu 22 Zn 3 Y 5 Nd 5 For five-elem...

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Abstract

A five-element magnesium-based amorphous alloy, belonging to the technical field of amorphous alloys, is characterized in that: the five-element magnesium-based amorphous alloy is prepared by a wedge-shaped copper mold casting method, and the Cu element is partially replaced by Zn element, and the Nd element is partially replaced. Y element, prepared Mg65Cu22Zn3Y5Nd5 five-element magnesium-based amorphous alloy. Using commercially available high-purity (99.9% mass fraction) bulk metals as raw materials, Cu-Y is first arc-melted into an intermediate alloy, and then put into a double-ventilated air (when heating) together with pure Mg and pure Zn In a low-carbon steel crucible with inert gas protection), heat it to 750°C in a resistance furnace, keep it warm for 2 hours, shake the crucible regularly to make the alloy liquid uniform, and then pour it into a wedge-shaped copper mold that has been dried in advance .

Description

technical field [0001] The invention belongs to the technical field of amorphous alloys, in particular to a five-element magnesium-based amorphous alloy. Background technique [0002] Magnesium is the lowest density of all structural metals and alloys. Compared with other metal structural materials, magnesium and magnesium alloys have a series of advantages such as high specific strength and specific stiffness, strong vibration damping, electromagnetic shielding and radiation resistance, easy cutting and processing, and easy recycling. They are used in automobiles, electronics, electrical appliances, Transportation, aerospace, aviation and national defense military industry have extremely important application value and broad application prospects. It is the third type of metal structural material developed after steel and aluminum alloy, and is called the green engineering material of the 21st century. . On the basis of general magnesium alloys, the amorphous magnesium al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C45/00B22D27/20
Inventor 司松海司乃潮张扣山杨道清齐宝林白高鹏
Owner ZHENJIANG YINUOWEI SHAPE MEMORY ALLOYS
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