Method for reinforcing surface of zirconium-based amorphous alloy through laser irradiation of silicon carbide particles

A technology of zirconium-based amorphous alloy and silicon carbide particles, which is applied in the direction of metal material coating process, coating, solid-state diffusion coating, etc., can solve complex manufacturing process, poor bonding quality of reinforcement phase and amorphous matrix interface, The tensile plasticity and mechanical properties of crystal alloy composites are difficult to control and other problems, so as to achieve the effect of simple processing and high practicability

Inactive Publication Date: 2021-08-20
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the tensile plasticity and mechanical properties of amorphous alloy composites prepared by existing methods are difficult to control, and the interface bonding quality between the reinforcing phase and the amorphous matrix is ​​poor, and the manufacturing process is relatively complicated.

Method used

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  • Method for reinforcing surface of zirconium-based amorphous alloy through laser irradiation of silicon carbide particles
  • Method for reinforcing surface of zirconium-based amorphous alloy through laser irradiation of silicon carbide particles
  • Method for reinforcing surface of zirconium-based amorphous alloy through laser irradiation of silicon carbide particles

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Experimental program
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Effect test

Embodiment 1

[0029] A typical zirconium-based amorphous alloy Zr 41.2 Ti 13.8 Cu 12.5 Ni 10 be 22.5 As an example, in an argon atmosphere, a nanosecond laser is used to irradiate the surface of a zirconium-based amorphous alloy covered with a silicon carbide suspension, and the specific implementation steps are as follows:

[0030] 1) Grinding and polishing the surface of the zirconium-based amorphous alloy with a size of 20mm×20mm and a thickness of 2mm, and cleaning and drying;

[0031] 2) Prepare a silicon carbide suspension with a mass fraction of 30%, pour it into a sample box with a zirconium-based amorphous alloy, and control the height between the liquid level and the surface of the zirconium-based amorphous alloy to be <1mm;

[0032] 3) Place the sample box in the atmosphere chamber, and pass argon into the atmosphere chamber;

[0033] 4) Use a nanosecond laser to irradiate the surface of zirconium-based amorphous alloy covered with silicon carbide suspension, where the laser...

Embodiment 2

[0038] A typical zirconium-based amorphous alloy Zr 41.2 Ti 13.8 Cu 12.5 Ni 10 be 22.5 For example, in an argon atmosphere, a nanosecond laser is used to irradiate the surface of a zirconium-based amorphous alloy covered with silicon carbide powder. The specific implementation steps are as follows:

[0039] 1) Grinding and polishing the surface of the zirconium-based amorphous alloy with a size of 20mm×20mm and a thickness of 2mm, and cleaning and drying;

[0040] 2) Prepare a silicon carbide suspension with a mass fraction of 10%, inject it into a sample box containing a zirconium-based amorphous alloy, and control the height between the liquid level and the surface of the zirconium-based amorphous alloy to be <1mm; place the sample box in a dry place Put it aside in a dusty environment for 2-3 days until the water evaporates;

[0041] 3) Place the sample box in the atmosphere chamber, and pass argon into the atmosphere chamber;

[0042] 4) Use a nanosecond laser to irr...

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Abstract

The invention relates to a method for reinforcing the surface of a zirconium-based amorphous alloy through laser irradiation of silicon carbide particles, and belongs to the technical field of amorphous alloy surface modification. A silicon carbide particle medium is irradiated by laser, a silicon carbide particle phase is introduced into a parent phase on the surface of the zirconium-based amorphous alloy, and the surface hardness and the plastic deformation capacity of the zirconium-based amorphous alloy are improved. The method effectively solves the problems that the mechanical property is difficult to regulate and control, the manufacturing process is complicated and the like in the existing amorphous alloy particle reinforcing method. By changing laser irradiation parameters and types and parameters of the silicon carbide particle medium, the content of the silicon carbide phase on the surface of the zirconium-based amorphous alloy can be effectively regulated and controlled. The method is simple in implementation process, high in efficiency, clean, free of pollution and high in practicability, and can be applied to regulation and control of the surface hardness of the zirconium-based amorphous alloy and enhancement of functional application of the zirconium-based amorphous alloy.

Description

technical field [0001] The invention relates to the field of surface modification of amorphous alloys, in particular to a method for enhancing the surface of zirconium-based amorphous alloys by irradiating silicon carbide particles with laser light. The invention can be used to improve the surface hardness of the zirconium-based amorphous alloy and enhance its performance. Background technique [0002] Due to its special long-range disordered structure, amorphous alloys exhibit better mechanical, magnetic and corrosion resistance properties than traditional crystalline alloys, such as high strength, high hardness, high elastic limit, high saturation magnetic induction and high resistance to corrosion. It has a very high development prospect in the fields of structural materials, soft magnetic functional materials, electronic devices and corrosion-resistant coatings. However, under the action of tensile load, amorphous alloys are greatly limited in practical engineering appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F3/00C22C45/10C23C8/52
CPCC22C45/10C22F3/00C23C12/02
Inventor 黄虎张帝钱永峰张洪洋刘翰林洪婧王超崔明明
Owner JILIN UNIV
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