A kind of al-ni-y-ce aluminum base amorphous alloy and preparation method thereof

An al-ni-y-ce, amorphous alloy technology, applied in the field of Al-Ni-Y-Ce aluminum-based amorphous alloy and its preparation, can solve the problem of high preparation cost, difficult industrial production, pure rare earth element Easy to oxidize and other problems, to achieve the effect of simple method, improved amorphous formation ability and plasticity

Active Publication Date: 2020-06-16
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an Al-Ni-Y-Ce aluminum-based amorphous alloy and its preparation method. The atomic percentage of the element composition of the aluminum-based amorphous alloy is: Al is 85.0-88.0 at.%, Ni is 6.0 to 9.0 at.%, Y is 2 to 5 at.%, Ce is 3 to 5 at.%, and the sum of the atomic percentages of the four elements is 100%; the composition quality of raw materials used in its preparation method A commercial aluminum alloy with a percentage of Al-25%Y and a composition mass percentage of Al-25%Ce was substituted for pure rare earth elements Y and Ce to prepare Al-Ni-Y-Ce amorphous with high amorphous-forming ability and good plasticity The alloy overcomes the defects that the preparation of corresponding aluminum-based amorphous alloys in the prior art requires high-purity raw materials and high-purity rare earth elements, resulting in high preparation costs, and the direct use of pure rare earth elements for smelting is easy to oxidize and is not easy for industrial production.

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  • A kind of al-ni-y-ce aluminum base amorphous alloy and preparation method thereof
  • A kind of al-ni-y-ce aluminum base amorphous alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] This example is a kind of atomic percentage: Al is 87.0at.%, Ni is 7.5at.%, Y is 2.5at.%, Ce is 3.0at.% Al 87 Ni 7.5 Y 2.5 Ce 3 Amorphous alloy and method for its preparation.

[0026] The first step is to prepare the raw materials for preparing the master alloy:

[0027] According to the atomic percentage of the element composition of Al-Ni-Y-Ce aluminum-based amorphous alloy: Al is 87.0at.%, Ni is 7.5at.%, Y is 2.5at.%, Ce is 3.0at.%. Get the commercial aluminum yttrium alloy that composition mass percent is Al-25%Y, the commercial aluminum cerium alloy that composition mass percent is Al-25%Ce, pure Ni and pure Al are raw materials of corresponding amount, first all above-mentioned master alloy raw materials are carried out Mechanical grinding to remove surface scale, cleaning with absolute ethanol, acetone and deionized water under ultrasonic conditions, and then air-drying to complete the preparation of raw materials for preparing master alloys;

[0028] The s...

Embodiment 2

[0033] This example is a kind of atomic percentage: Al is 87.0at.%, Ni is 7.5at.%, Y is 2.5at.%, Ce is 3.0at.% Al 87 Ni 7.5 Y 2.5 Ce 3 Amorphous alloy and method for its preparation.

[0034] The first step is to prepare the raw materials for preparing the master alloy:

[0035] With embodiment 1;

[0036] The second step is to prepare the master alloy ingot:

[0037] In a vacuum of 1×10 -3 In the vacuum electric arc furnace of Pa, the sponge titanium is first smelted to absorb the oxygen in the vacuum electric arc furnace, and the smelting atmosphere is purified, and then under the protective atmosphere of argon, the sponge titanium is used as the oxygen absorber, and the above-mentioned first step is prepared. The raw materials for preparing the master alloy are put into the vacuum electric arc furnace for 6 times of electric arc melting until the raw material components of the master alloy are melted evenly, and cooled to room temperature in an atmosphere protected by...

Embodiment 3

[0041] This example is a kind of atomic percentage: Al is 87.0at.%, Ni is 7.5at.%, Y is 2.5at.%, Ce is 3.0at.% Al 87 Ni 7.5 Y 2.5 Ce 3 Amorphous alloy and method for its preparation.

[0042] The first step is to prepare the raw materials for preparing the master alloy:

[0043] With embodiment 1;

[0044] The second step is to prepare the master alloy ingot:

[0045] In a vacuum of 1×10 -3 In the vacuum electric arc furnace of Pa, the sponge titanium is first smelted to absorb the oxygen in the vacuum electric arc furnace, and the smelting atmosphere is purified, and then under the protective atmosphere of argon, the sponge titanium is used as the oxygen absorber, and the above-mentioned first step is prepared. The raw materials for preparing the master alloy are put into the vacuum electric arc furnace for 5 times of electric arc melting until the raw material components of the master alloy are melted evenly, and then water-cooled to room temperature under an atmospher...

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Abstract

The invention relates to an Al-Ni-Y-Ce aluminum-based amorphous alloy and a preparation method thereof, and relates to an amorphous alloy with aluminum as the main component. The atomic percentage of the alloy element composition is: Al is 85.0-88.0 at.% , Ni is 6.0 to 9.0 at.%, Y is 2 to 5 at.%, Ce is 3 to 5 at.%, and the sum of the atomic percentages of the four elements is 100%. In its preparation method, a commercial aluminum alloy whose composition mass percentage is Al-25%Y and composition mass percentage is Al-25%Ce is used as a raw material instead of pure rare earth elements Y and Ce, and an Al with high amorphous forming ability and good plasticity is prepared. ‑Ni‑Y‑Ce amorphous alloy overcomes the need for high-purity raw materials and high-purity rare earth elements in the prior art to prepare corresponding aluminum-based amorphous alloys, resulting in high preparation costs, and the direct use of pure rare earth elements for smelting is easy to oxidize and is not easy Defects of industrial production.

Description

technical field [0001] The technical scheme of the invention relates to an amorphous alloy with aluminum as the main component, specifically an Al-Ni-Y-Ce aluminum-based amorphous alloy and a preparation method thereof. Background technique [0002] Since Inoue et al. successfully prepared aluminum-based amorphous strips in 1988, a large number of aluminum-based amorphous alloys have been obtained by rapid solidification technology. Compared with traditional aluminum alloys, the aluminum-based amorphous alloy Al-Ni-Y-Ce (RE is a rare earth element) has ultra-high mechanical properties, good toughness and excellent corrosion resistance. The Inoue group has reported that Al-Ni-Y-Ce amorphous alloys have a strength of more than 1000 MPa and good bending properties, so Al-Ni-Y-Ce series alloys are likely to be used as structural materials in the future and will be used in aerospace, Play an important role in aviation and national defense. [0003] However, when researchers stu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/08C22C1/03
CPCC22C1/03C22C45/08C22C1/11
Inventor 崔春翔史杰杰孙艺佼崔森刘水清
Owner HEBEI UNIV OF TECH
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