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Zirconium-based amorphous alloy and preparation method thereof

A zirconium-based amorphous alloy and amorphous alloy technology, which is applied in the field of amorphous alloys, can solve the problems of high requirements on raw material purity and vacuum degree, achieve excellent forming ability and mechanical properties, reduce production costs, and have broad application prospects. Effect

Active Publication Date: 2015-04-08
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem that the current production process of zirconium-based amorphous alloys requires high raw material purity and vacuum degree, the present invention provides a zirconium-based amorphous alloy with low cost and easier industrial production and a preparation method thereof. Zirconium-based amorphous alloys do not contain the element Be which is harmful to organisms, and have excellent mechanical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Composition: (Zr 57 Cu 30 Al 13 ) 99.8 o 0.2

[0016] Put the raw materials into the melting furnace according to the atomic percentage of the composition, evacuate to 0.1 Pa, then pass in argon as a protective gas, melt the alloy at 3000 degrees Celsius for 4 minutes, repeat the melting 4 times, and then cast the melt into the mold , to obtain a size of The rod-shaped sample, the volume percentage of the amorphous phase is 40%.

Embodiment 2

[0018] Composition: (Zr 57 Cu 30 Al 13 ) 99.9 o 0.1

[0019] Put the raw materials into the melting furnace according to the atomic percentage of the composition, evacuate to 10 Pa, then pass in argon as a protective gas, melt the alloy at 2000 degrees Celsius for 4 minutes, repeat the melting 4 times, and then cast the melt into the mold , to obtain a size of The rod-shaped sample, the volume percentage of the amorphous phase is 60%.

Embodiment 3

[0021] Composition: (Zr 60 Cu 27 Al 13 ) 99.8 o 0.2

[0022] Put the raw materials into the melting furnace according to the atomic percentage of the composition, evacuate to 0.1 Pa, then pass in argon as a protective gas, melt the alloy at 3000 degrees Celsius for 4 minutes, repeat the melting 4 times, and then cast the melt into the mold , to obtain a size of The rod-shaped sample, the volume percentage of the amorphous phase is 90%.

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Abstract

The invention discloses a zirconium-based amorphous alloy and a preparation method thereof. The zirconium-based amorphous alloy is low in cost, and is more suitable for industrialized production. High raw material purity and high vacuum degree required by conventional zirconium-based amorphous alloy preparation processes are not necessary. The zirconium-based amorphous alloy is (Zr(a)Cu(b)Al(c))(100-x)O(x), wherein a, b, c, and x are used for representing atom percentage, 57<=a<=76, 15<=b<=34, 9<=c<=28, and 50ppm<=x<=5000ppm. The zirconium-based amorphous alloy contains no Be which is harmful for bionts, and is excellent in mechanical properties and amorphous formation capability; requirement on vacuum degree and raw material purity is low, raw material cost is low, and application prospect is promising.

Description

technical field [0001] The invention relates to an amorphous alloy, and in particular provides a zirconium-based amorphous alloy with relatively high amorphous forming ability and a preparation method thereof. Background technique [0002] Amorphous alloy is a new type of alloy that is different from traditional metals. Its main structural characteristics are: atoms are arranged in a long-range disordered state in three-dimensional space, and the constituent elements are connected by metal bonds and maintained within a range of several lattice constants. Short-range order, forming a structure similar to atomic clusters. It is this unique structure that brings unique properties to amorphous alloys: such as high strength, high hardness, high wear resistance, high corrosion resistance, high elasticity and excellent magnetic properties, etc. These excellent properties have brought broad development prospects for amorphous alloys in aerospace, IT electronics, machinery, chemical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C45/10C22C1/02
Inventor 李毅王寅霄
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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