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Zirconium base amorphous alloy

A technology of zirconium-based amorphous alloys and amorphous alloys, applied in the field of metal alloys, can solve the problem of parts and products that cannot be prepared with amorphous structures, Zr-based amorphous alloys have high preparation costs and cannot meet large-scale mass production and other problems, to achieve the effect of inhibiting the crystallization tendency, improving the ability of amorphous formation, and avoiding crystallization

Inactive Publication Date: 2014-05-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High-purity raw materials (above 99.9%) and harsh protective atmosphere make the preparation cost of Zr-based amorphous alloys very high, which cannot meet large-scale mass production
When using the more common industrial-grade raw materials on the market, it is impossible to prepare parts and products with a certain size of amorphous structure

Method used

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  • Zirconium base amorphous alloy
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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The first embodiment of the present invention provides a zirconium-based amorphous alloy whose composition and atomic percentage conform to the following general formula:

[0049] Zr a Cu b Ti c Al d Re e ,

[0050] Among them, a, b, c, d, e are the atomic percentage content of each element in the amorphous alloy, respectively: 56≤a≤63, 22≤b≤35, 0.1≤c≤4, 7≤d≤13 , 0.05≤e≤2, a+b+c+d+e≤100, Re is one or more elements in rare earth, that is, Re is La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb, a combination of one or more of Lu elements or Re is La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, A combination of one or more of Tb, Pr, Sm, Yb, Lu and Y. The Re element group can be obtained by adding Misch Metal.

[0051] According to the general formula, the above-mentioned zirconium-based amorphous alloy manufacturing method is used for batching, smelting and casting cooling to form the zirconium-based amorphous alloy expressed by the general formula.

[0052] Wherein, Re ...

Embodiment 2

[0054] The second embodiment of the present invention provides a zirconium-based amorphous alloy whose composition and atomic percentage conform to the following general formula:

[0055] Zr a Cu b Ti c Al d Re e ,

[0056] Among them, a, b, c, d, e are the corresponding atomic percentage content of each element in the amorphous alloy, respectively: 46≤a≤52, 36≤b≤42, 0.1≤c≤4, 7≤d≤13 , 0.05≤e≤2, a+b+c+d+e≤100, Re is one or more elements in rare earth, that is, Re is La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb, a combination of one or more of Lu elements or Re is La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, A combination of one or more of Tb, Pr, Sm, Yb, Lu and Y. The Re element group can be obtained by adding Misch Metal.

[0057] According to the general formula, the above-mentioned zirconium-based amorphous alloy manufacturing method is used for batching, smelting and casting cooling to form the zirconium-based amorphous alloy expressed by the general formula.

[005...

Embodiment 3

[0060] The third embodiment of the present invention provides a zirconium-based amorphous alloy whose composition and atomic percentage conform to the following general formula:

[0061] (Zr,Hf) a Cu b Ti c Al d Re e ,

[0062] Among them, a, b, c, d, e are the atomic percentage content of each element in the amorphous alloy, respectively: 58≤a≤65, 22≤b≤35, 0.1≤c≤4, 7≤d≤13 , 0.05≤e≤2, a+b+c+d+e≤100, Re is one or more elements in rare earth, that is, Re is La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb, a combination of one or more of Lu elements or Re is La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, A combination of one or more of Tb, Pr, Sm, Yb, Lu and Y. The Re element group can be obtained by adding Misch Metal.

[0063] According to the general formula, the above-mentioned zirconium-based amorphous alloy manufacturing method is used for batching, smelting and casting cooling to form the zirconium-based amorphous alloy expressed by the general formula.

[0064] Wherein...

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Abstract

The invention relates to a zirconium base amorphous alloy, wherein the composition of the zirconium base amorphous alloy is (Zr, Hf, Nb)CuTiAlRe, a, b, c, d and e are the percentage contents of the corresponding atoms in the zirconium base amorphous alloy, a is more than or equal to 40 and is less than or equal to 65, b is more than or equal to 20 and is less than or equal to 50, c is more than or equal to 0.1 and is less than or equal to 10, d is more than or equal to 5 and is less than or equal to 15, e is more than or equal to 0.05 and is less than or equal to 5, (a+b+c+d+e) is less than or equal to 100, Re is a combination comprising one or a plurality of materials selected from elements such as La , Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb and Lu, or is a combination comprising Y and one or a plurality of materials selected from elements such as La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb and Lu.

Description

Technical field [0001] The invention relates to the field of metal alloys, in particular to a zirconium-based amorphous alloy. Background technique [0002] Since the atomic arrangement of amorphous alloys does not have the characteristics of long-range order, there are no dislocations in the structure, and no grain boundaries. Therefore, compared with ordinary polycrystalline metal materials, amorphous alloys have high strength, corrosion resistance and wear resistance. With excellent performance, it can be used as raw materials for the preparation of microelectronic devices, sporting goods, high-end luxury goods, and consumer electronics. The usual method for preparing amorphous alloys is to rapidly cool the alloy melt to the glass transition temperature (T g ) Next, because the cooling rate is too fast, the nucleation and growth of the crystal are avoided, and finally a completely amorphous structure is obtained. The slower the cooling rate required for the material to form a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C45/10
CPCC22C45/10C22C16/00
Inventor 张涛陈辰尹恩怀富亮朱爱兰
Owner HUAWEI TECH CO LTD
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