Preparation method of metal surface microstructure with abrasion resistance and hydrophobicity

A metal surface and microstructure technology, applied in metal processing equipment, welding equipment, manufacturing tools, etc., to achieve the effects of high processing efficiency, low processing cost, and increased contact angle

Inactive Publication Date: 2018-05-08
SHANGHAI INST OF LASER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defects of laser etching in the prior art, and provide a metal surface microstructure preparation method that can improve the wear resistance and hydrophobicity of the stainless steel surface

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  • Preparation method of metal surface microstructure with abrasion resistance and hydrophobicity
  • Preparation method of metal surface microstructure with abrasion resistance and hydrophobicity
  • Preparation method of metal surface microstructure with abrasion resistance and hydrophobicity

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Embodiment Construction

[0021] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] The invention provides a method for preparing a stainless steel wear-resistant and hydrophobic microstructure surface, which is a method for preparing a wear-resistant and hydrophobic metal surface microstructure, comprising the following steps:

[0023] (1) The stainless steel sheet is ultrasonically cleaned with acetone and absolute ethanol, the cleaning temperature is room temperature, the cleaning time is 10min-20min, and dried to obtain a clean stainless steel surface;

[0024] (2) Use graphic software to make two-dimensional design drawings of microstructures, and import the graphic files of the two-dimensional design drawings of the three microstructures (honeycomb structure, grid structure, and stripe structure) into the galvanometer control software of the picosecond laser processing system middle;

[0025] (3) A picosecond ...

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Abstract

The invention discloses a preparation method of a metal surface microstructure with abrasion resistance and hydrophobicity. The method comprises the steps that 1, stainless steel to be treated is subjected to ultrasonic cleaning, surface pollutants are removed, drying is carried out, and the clean stainless steel surface is obtained; 2, mapping software is used for doing microstructure two-dimension design drawing, and a graphic file is guided into picosecond laser machining system galvanometer control software; and 3, a picosecond laser machining system is adopted for carrying out laser scanning machining treatment on the stainless steel surface obtained in the step 1 according to the machining graph guided in the step 2, and the stainless steel surface with the specific form microstructure is prepared. Picosecond pulse laser adopted in the method has typical ultra-short pulse width and ultra-high peak power characteristic, the defects of heat effects and the like caused easily by long pulse laser machining can be avoided, compared with femtosecond laser, the machining cost is low, the machining efficiency is high, the surface friction coefficient of the prepared stainless steel microstructure is reduced remarkably, the abrasion resistance is improved, the contact angle to water is increased remarkably, and hydrophobicity is improved.

Description

technical field [0001] The invention belongs to the technical field of metal-based microstructure functional surface preparation and laser micromachining, and in particular relates to a method for preparing a metal surface microstructure with wear resistance and hydrophobicity. Background technique [0002] Laser direct surface texturing technology is used on almost all types of material surfaces to change the surface properties of materials, such as wettability, corrosion resistance, wear resistance and adhesion, etc. Compared with traditional surface treatment methods, laser direct surface texturing Texture technology has the advantages of high precision, good repeatability, low consumption, high efficiency, no tool wear, and no damage to the material body. The microsecond-nanosecond pulse laser etching metal technology commonly used in the prior art will cause thermal effects during etching, which will cause defects such as plasma being absorbed, molten particles accumula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/60B23K26/352
CPCB23K26/60
Inventor 张瑄珺李炜王健超张伟姜兆华夏琪潘涌
Owner SHANGHAI INST OF LASER TECH
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