Method for laser cladding of titanium-chromium-aluminum-silicon-nickel high-entropy alloy on surface of titanium alloy

A technology of laser cladding titanium and titanium alloy plates, which is applied in the coating process and coating of metal materials, can solve the problems of poor fire resistance, poor wear resistance, high friction coefficient, etc., and improve the overall mechanical properties and durability. Corrosion resistance, surface hardness improvement, and the effect of expanding the application range

Inactive Publication Date: 2019-08-02
ZHONGBEI UNIV
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Problems solved by technology

[0002] Titanium alloy has the characteristics of low density, high specific strength, good fatigue creep performance, and excellent corrosion resistance. It is widely used in aviation, aerospace, ships, weapons and other fields, especially in aviation and aerospace fields. However, titanium alloys have poor friction resistance, poor oxidation resistance, poor fire resistance, high friction coefficient, poor wear resistance, easy oxidation and flammability at room temperature, which greatly limits the application of titanium alloys
[0003] How to enhance the friction performance and oxidation resistance while maintaining the overall mechanical pr

Method used

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[0056] The present invention will be further explained below in conjunction with the drawings:

[0057] figure 1 Shown is the laser cladding welding state diagram of the surface of the titanium alloy plate. The position and connection relationship of each part must be correct and the installation is firm.

[0058] The laser welding machine is a vertical type. In the middle of the laser welding machine is the support arm 1, and the upper right part of the support arm 1 is the working arm 2. At the right end of the working arm 2, there is a laser cladding welding gun 3, an argon tube 4, and argon. The gas pipe 4 is connected to the argon gas cylinder 8; a lifting platform 5 is provided at the lower part of the laser welding machine, and a working platform 6 is provided on the upper part of the lifting platform 5. On the working platform 6 are titanium alloy plates and high-entropy alloy solder powder 7 .

[0059] figure 2 Shown is the XRD pattern of the preparation of titanium chromium

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Abstract

The invention relates to a method for laser cladding of a titanium-chromium-aluminum-silicon-nickel high-entropy alloy on the surface of a titanium alloy. Under the situations that poor wear resistance of a titanium alloy plate is poor in wear resistance and poor in oxidation resistance, titanium-chromium-aluminum-silicon-nickel high-entropy alloy powder is subjected to laser cladding on the surface of the titanium alloy plate so as to improve the surface strength of the titanium alloy plate, and the overall mechanical property and the corrosion resistance of the titanium alloy plate are improved through laser cladding. The preparation method is advanced in process, the application range of the titanium alloy plate is expanded, and the method is an advanced method for laser cladding of the titanium-chromium-aluminum-silicon-nickel high-entropy alloy on the surface of the titanium alloy.

Description

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Claims

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Application Information

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Owner ZHONGBEI UNIV
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