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
CN107999976AInactive Publication Date: 2018-05-08SHANGHAI INST OF LASER TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI INST OF LASER TECH
Publication Date
2018-05-08
Estimated Expiration
Not applicable Β· inactive patent

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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.
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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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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