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Method for regulating micro structure of Ti-Zr-Nb-Cu-Be-system amorphous composite material

A technology of ti-zr-nb-cu-be and amorphous composite materials, which is applied in the microstructure field of titanium-based amorphous composite materials, can solve the problems of long melt processing time and limited ability to control the microstructure of the second phase. Achieve the effect of achieving nucleation rate, eliminating the introduction of impurities and pollutants, and avoiding reactions

Active Publication Date: 2015-12-02
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Longer melt processing time and limited ability to control the microstructure of the second phase

Method used

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  • Method for regulating micro structure of Ti-Zr-Nb-Cu-Be-system amorphous composite material
  • Method for regulating micro structure of Ti-Zr-Nb-Cu-Be-system amorphous composite material
  • Method for regulating micro structure of Ti-Zr-Nb-Cu-Be-system amorphous composite material

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Embodiment 1

[0028] This embodiment is a method for regulating the microstructure of the Ti-Zr-Nb-Cu-Be system amorphous composite material

[0029] The composition of the amorphous composite material is Ti 44 Zr 20 Nb 12 Cu 5 be 19 , control the overheating time to obtain Ti-based amorphous composites with different solidification morphology. The concrete process of this embodiment is:

[0030] Step 1, alloy master ingot smelting: Ti, Zr, Nb, Cu, Be with a purity greater than 99.9% are smelted in two steps in a high-vacuum non-consumable arc melting furnace under the protection of argon gas at 0.5 atmospheres:

[0031] The first step is to smelt Ti with a high melting point 44 Zr 20 Nb 12 Alloy ingot:

[0032] During smelting, the arc melting chamber system needs to be evacuated to a high vacuum first, then filled with argon, and the oxygen-absorbing titanium ingot is smelted for 2 minutes to effectively remove the remaining oxygen in the furnace cavity.

[0033] Melting Ti with...

Embodiment 2

[0044] This embodiment is a preparation method of a titanium-based amorphous composite material, and the composition of the amorphous composite material is Ti 48 Zr 20 Nb 12 Cu 5 be 15 , control the overheating time to obtain Ti-based amorphous composites with different solidification morphology. The concrete process of this embodiment is:

[0045] Step 1, alloy master ingot smelting: Ti, Zr, Nb, Cu, Be with a purity greater than 99.9% are smelted in two steps in a high-vacuum non-consumable arc melting furnace under the protection of argon gas at 0.5 atmospheres:

[0046] The first step is to smelt Ti with a high melting point 48 Zr 20 Nb 12 Alloy ingot:

[0047] During smelting, the arc melting chamber system needs to be evacuated to a high vacuum first, then filled with argon, and the oxygen-absorbing titanium ingot is smelted for 2 minutes to effectively remove the remaining oxygen in the furnace cavity.

[0048] Melting Ti with high melting point 48 Zr 20 Nb 1...

Embodiment 3

[0059] This embodiment is a preparation method of a titanium-based amorphous composite material, and the composition of the amorphous composite material is Ti 50 Zr 20 Nb 12 Cu 5 be13 , control the overheating time to obtain Ti-based amorphous composites with different solidification morphology. The concrete process of this embodiment is:

[0060] Step 1, alloy master ingot smelting: Ti, Zr, Nb, Cu, Be with a purity greater than 99.9% are smelted in two steps in a high-vacuum non-consumable arc melting furnace under the protection of argon gas at 0.5 atmospheres:

[0061] The first step is to smelt Ti with a high melting point 48 Zr 20 Nb 12 Alloy ingot:

[0062] During smelting, the arc melting chamber system needs to be evacuated to a high vacuum first, then filled with argon, and the oxygen-absorbing titanium ingot is smelted for 2 minutes to effectively remove the remaining oxygen in the furnace cavity.

[0063] Melting Ti with high melting point 50 Zr 20 Nb 12 ...

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Abstract

Disclosed is a method for regulating the micro structure of a Ti-Zr-Nb-Cu-Be-system amorphous composite material. A high-melting-point molybdenum wire is used for carrying out hanging and overheating treatment, and the original thick structure of the Ti-based morphous composite material is completed removed in the melt treatment process. Meanwhile, the alloy melt can be purified through overheating treatment, a higher super-cooling degree can be obtained in the condensation process, the nucleation rate is sharply increased, and therefore a thorough second refined phase can be obtained.

Description

technical field [0001] The invention relates to a process control method for the microstructure of a titanium-based amorphous composite material, and belongs to the technical field of material preparation process. Background technique [0002] Amorphous alloys have a structure of long-range disorder and medium-short-range order, so they have many unique properties different from traditional crystalline alloys, such as high strength, high hardness, good wear resistance and corrosion resistance, and easy near-net shape processing. Therefore, it has become a research hotspot in the field of materials in the past 20 years. Compared with other amorphous alloys, titanium-based amorphous alloys have the characteristics of low cost, high specific strength and moderate Young's modulus, so they have attracted more and more attention and become a potential lightweight structural material. However, due to the lack of deformation mechanisms such as dislocation slip and twinning, the def...

Claims

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Application Information

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IPC IPC(8): C22C45/10C22C1/03C22F1/18
Inventor 王军卜凡李力源李金山寇宏超王维张威
Owner NORTHWESTERN POLYTECHNICAL UNIV
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