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Method and device for preparing microtexture through laser photoetching assisted electrochemical deposition

A technology of laser lithography and deposition device, which is applied in the field of laser lithography-assisted electrochemical deposition to prepare microtextures, can solve the problems of poor matrix bonding performance, low strength, loose organization, etc., and achieves controllable structure, short wavelength, and composition. controllable effect

Inactive Publication Date: 2012-08-01
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0006] The purpose of the present invention is to provide a laser lithography-assisted electrochemical deposition method for preparing micro-texture and its device, which can solve the problems of low strength, loose structure and poor bonding performance with the substrate in the existing surface coating technology

Method used

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  • Method and device for preparing microtexture through laser photoetching assisted electrochemical deposition
  • Method and device for preparing microtexture through laser photoetching assisted electrochemical deposition
  • Method and device for preparing microtexture through laser photoetching assisted electrochemical deposition

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Embodiment 1

[0034] Example 1: A method for preparing a micro-texture, using pulsed laser lithography to photoetch the surface of a metal material that has been spin-coated with photoresist in advance, then immersing it in a developing solution to remove the exposed photoresist, and then using electrochemical deposition The technology conducts controllable electrodeposition of composite coating on the surface of the material, and finally removes the unexposed photoresist, and obtains a surface composite coating with regular microscopic texture on the surface of the metal material to maximize the surface tribological properties;

[0035] Specific steps are as follows:

[0036] 1. Preliminary preparation: prepare material samples and related equipment, establish the pulse laser lithography system device and electrochemical deposition device used; spin coating of photoresist on the surface of the substrate material: spin coating and drying with a homogenizer, at 70~ Dry at 110°C for 20 minute...

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Abstract

The invention discloses a method and a device for preparing a microtexture through laser photoetching assisted electrochemical deposition, and belongs to a method and a device for preparing a surface structured coating. The method comprises the following steps of: photoetching the surface of a metallic material, on which photoresist is previously spin-coated, by using a pulse laser photoetching technique; soaking in developing solution to remove the exposed photoresist; then performing controllable electrodeposition of a composite coating on the surface of the material by using an electrochemical deposition technology; and finally removing unexposed photoresist to obtain a surface composite coating with a regular microtexture on the surface of the metallic material to realize maximization of tribological performance of the surface. The device comprises a pulse laser photoetching system device and an electrochemical deposition device, wherein a laser photoetching system consists of a pulse laser module, an optical path transmission module and a three-dimensional moving module which are connected in sequence. The device has the advantage of controllable structure. The structure and the composition of the composite coating are controllable. The application range is wide. By combining the laser photolithographic machining technology and the electrochemical deposition technology, the maximization of the anti-friction and anti-wear property of the material surface is realized.

Description

[0001] technical field [0002] The invention relates to a method and a device for preparing a surface structured coating, in particular to a method and a device for preparing a microtexture by laser photolithography-assisted electrochemical deposition. technical background [0003] With the development of science and technology and human society, the service conditions of tribological materials are becoming more and more extreme and complex, which puts forward higher and higher requirements for the wear resistance and anti-friction properties of materials. On the basis of traditional tribological materials, through the research and development of surface engineering technology, the anti-friction and wear-resistant coating on the surface provides an effective and vital solution and way to optimize the tribological performance of mechanical systems and solve material wear. [0004] Metal electrodeposition is the most effective method for preparing composite coatings—it is a s...

Claims

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Application Information

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IPC IPC(8): C25D5/02
Inventor 杨海峰刘磊郝敬斌朱华
Owner CHINA UNIV OF MINING & TECH
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