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Method for additive manufacturing of copper on titanium alloy based on interactive treatment of laser and electrochemical deposition

A technology of additive manufacturing and interactive processing, applied in the direction of additive processing, electroforming, electrolysis, etc., can solve the problems of poor adhesion of deposited layers, harm to human health, complicated and cumbersome steps, etc., and achieve good adhesion and low cost , The effect of simple process steps

Active Publication Date: 2021-02-23
ZHEJIANG UNIV OF TECH
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Problems solved by technology

At the same time, this method solves the shortcomings of the traditional titanium alloy electrodeposition copper pretreatment process, such as complicated and cumbersome steps, large environmental pollution, harm to human health, and poor bonding force of the deposited layer.

Method used

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  • Method for additive manufacturing of copper on titanium alloy based on interactive treatment of laser and electrochemical deposition
  • Method for additive manufacturing of copper on titanium alloy based on interactive treatment of laser and electrochemical deposition
  • Method for additive manufacturing of copper on titanium alloy based on interactive treatment of laser and electrochemical deposition

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Embodiment 1

[0044]Use a 1500W galvanometer laser to perform laser melting treatment on the polished titanium alloy substrate sample, set the laser focal length to 517mm, laser power to 500W, scanning speed to 300mm / s, scanning mode to unidirectional scanning, and line spacing to 0.04 mm, forming a fused layer with a certain texture on the surface, such as figure 2 shown. Deposit the obtained sample in the electrodeposition system for 10 minutes to obtain the first layer of copper deposition layer, and then perform laser treatment on the sample deposited with copper, the laser scanning line spacing is 0.05mm / s, and the rest are the same as the first laser treatment Same, the first Ti / Cu interlayer was obtained; the obtained sample was subjected to laser treatment after electrodeposition for 10 min, and the laser treatment parameters were the same as the second data; the sample was deposited for the third time, and the deposition time was After 10 minutes, the deposition sample was obtain...

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Abstract

The invention discloses a method for additive manufacturing of copper on titanium alloy based on interactive treatment of laser and electrochemical deposition. The method comprises the following stepsof: firstly, before depositing copper on the surface of titanium alloy, forming a fused layer on the surface of the titanium alloy through laser treatment, and then performing copper deposition on the fused layer; and then, performing laser treatment on a sample deposited with copper to obtain a middle layer with titanium / copper elements coexisting, then, continuously performing copper electrodeposition on the surface of the middle layer by the same process to obtain a second copper deposition layer, continuously performing laser treatment on the obtained deposition layer and then depositing, and performing interactive treatment of laser and electrodeposition to obtain a copper deposition layer on the surface of the titanium alloy. According to the method disclosed by the invention, a green and environment-friendly laser fusing method is adopted to treat the surface of a to-be-deposited titanium alloy matrix, so that a conventional chemical pre-treatment method is replaced; and interactive treatment of laser and electrodeposition solves the defect that conventional electrodeposition cannot be infinitely deposited, so that quality of the deposition layer is improved, and binding force of the matrix and the deposition layer is also improved.

Description

technical field [0001] The invention relates to the technical field of electrodeposition processing methods, in particular to a method for additively manufacturing copper from titanium alloys based on the interactive treatment of laser and electrochemical deposition. Background technique [0002] Copper has the characteristics of high melting point and good plasticity. It can greatly reduce the friction coefficient and friction force when applied on the surface of metal materials, and has a good effect on improving the friction and wear properties of the surface of metal materials, especially for threaded surfaces. Anti-sticking effect. At present, the threads of oil pipes are mostly copper-plated to improve their wear resistance and anti-sticking properties. Titanium alloy has high strength and good corrosion resistance. It is a good material for high-strength structural materials under extremely harsh conditions, especially in ultra-deep oil and gas wells with high tempera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D1/00B33Y10/00C25D3/38C25D5/10C25D5/38C25D5/50
CPCC25D1/003B33Y10/00C25D3/38C25D5/10C25D5/38C25D5/505
Inventor 吴国龙陆丹华姚建华
Owner ZHEJIANG UNIV OF TECH
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