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A kind of preparation method of titanium-based amorphous coating on the surface of titanium alloy

A technology of amorphous coating and titanium alloy, which is applied in the field of preparation of titanium-based amorphous coating on the surface of titanium alloy, can solve the problems of low work hardening ability, adhesive wear, poor friction performance of titanium alloy, etc. The effect of abrasion resistance

Active Publication Date: 2016-02-03
TAIYUAN UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In his review, Chen Changjun pointed out that titanium alloys have poor wear resistance due to factors such as low plastic deformation ability, low work hardening ability, and no protection ability of surface oxide film.
Yin Zhenxing found that the friction coefficient of titanium alloy is high and unstable, there is serious adhesive wear phenomenon, and the wear resistance is poor
Li Zhengxian also pointed out in his invention patent (ZL200710188530.3) that the poor friction performance of titanium alloy is related to the inherent characteristics of the metal, such as its low thermal conductivity, easy adhesion wear or even burning during friction, and poor wear resistance.

Method used

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  • A kind of preparation method of titanium-based amorphous coating on the surface of titanium alloy
  • A kind of preparation method of titanium-based amorphous coating on the surface of titanium alloy
  • A kind of preparation method of titanium-based amorphous coating on the surface of titanium alloy

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Embodiment 1

[0025] Now take the titanium alloy Ti6Al4V as an example, and the titanium-based amorphous composite material is Ti46Zr20V12Cu5Be17.

[0026] Implement the present invention, such as figure 1 Shown:

[0027] (1) Pretreatment of the titanium alloy workpiece: after degreasing the surface of the titanium alloy workpiece 4, use SiC water sandpaper to grind, clean and dry the titanium alloy workpiece step by step;

[0028] (2) Connect the pretreated titanium alloy workpiece 4 to the cathode 2 of the power supply of the surface strengthening processor to become a workpiece pole, and then connect the comb-shaped titanium-based amorphous composite material 3 to the anode 1 of the power supply of the surface strengthening processor through a clamp , become the processing electrode;

[0029] (3) Turn on the power of the surface strengthening processor, apply a DC voltage of 15-70V between the workpiece pole and the processing electrode, when the distance between the workpiece pole an...

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Abstract

The invention discloses a method for preparing a titanium-based amorphous coating on the surface of a titanium alloy, and belongs to the technical field of surface modification of metal materials. The method includes the following steps: pretreating the titanium alloy workpiece; connecting the titanium alloy workpiece to the cathode of a power supply to become a workpiece pole, and connecting the titanium-based amorphous material to the anode of the power supply to become a processing electrode; turning on the power supply to prepare a titanium-based amorphous coating. The beneficial effect of the invention is that the large-area and rapid preparation of the titanium-based amorphous coating on the surface of the titanium alloy can be realized, and the obtained titanium-based amorphous coating has good wear resistance.

Description

technical field [0001] The invention relates to a method for preparing a titanium-based amorphous coating on the surface of a titanium alloy, and belongs to the technical field of surface modification of metal materials. Background technique [0002] Due to its unique microstructure, amorphous alloys exhibit better physical, chemical and mechanical properties than traditional crystalline materials, such as extremely high strength, hardness, excellent elastic properties, good corrosion resistance and wear resistance, etc. , is a new type of metal material with broad application prospects. Due to the size and preparation process of the original amorphous body, the application of amorphous alloys in the industrial field is greatly limited. The preparation of amorphous coatings on the surface of product parts can overcome the size limitation of amorphous materials and make full use of amorphous alloys. Excellent properties such as high strength, high hardness and good impact to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C14/32
Inventor 林乃明邹娇娟杨慧君唐宾
Owner TAIYUAN UNIV OF TECH
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