Method for forming structural-color metal surface based on blazed grating structure through tool cutting

A blazing grating and metal surface technology, applied in the field of metal surface finishing, can solve the problems of large flow resistance, weak corrosion resistance, no structural color, etc., and achieve low fluid flow resistance, strong corrosion resistance, and good hydrophobicity Effect

Inactive Publication Date: 2016-11-09
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to overcome the deficiencies of the existing metal surface treatment process, such as no structural color, poor hydrophobicity, weak corrosion resistance, and large flow resistance, the present invention provides a method for tool cutting and forming a structural color metal surface based on a blazed grating structure. method

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  • Method for forming structural-color metal surface based on blazed grating structure through tool cutting

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Embodiment Construction

[0016] Below in conjunction with and embodiment the present invention is further described.

[0017] A method for tool cutting and forming a structural color metal surface based on a blazed grating structure, comprising the following steps:

[0018] (1) Smooth the surface of the metal workpiece so that the surface roughness does not exceed 100nm;

[0019] (2) cutting a set parallel groove group on the surface of the metal workpiece according to the set process parameters with the tool;

[0020] The processing object of the inventive method is a metal workpiece made of a viscous metal material (such as copper, titanium alloy, etc.); the cutting related process parameters in the step (2) of the inventive method are as follows: the cutting tool nose angle is selected to be 80°~100° °, the main declination angle is 50°~65°, the rake angle is 10°~20°, and the rear angle is 10°~20°; when cutting, the angle between the tool and the workpiece surface is 5°~30°, The feeding speed is ...

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Abstract

Provided is a method for forming a structural-color metal surface based on a blazed grating structure through tool cutting. The method comprises the following steps that (1) the surface of a metal workpiece is flattened, and the surface roughness of the metal workpiece is made to be lower than or equal to 100 nm, specifically, the metal workpiece is made of an adhesive metal material; and (2) a parallel groove set is formed in the surface of the metal workpiece through cutting with a tool according to set technical parameters. According to the technical parameters, a diamond tool is adopted for cutting; in the cutting process, the included angle between the tool and the surface of the workpiece is 5-30 degrees, the feeding speed is 20-100 mm/min, and the cutting depth is 1-5 microns; and every time one groove is obtained through cutting, the tool shifts for 3-20 microns relative to the workpiece, and then cutting of the next groove is carried out. The metal surface formed through the method is of a specific micro structure, not only can have a structural color like a blazed grating, but also has better hydrophobicity compared with the surface before machining, and accordingly higher corrosion resistance and lower fluid flowing resistance are achieved.

Description

technical field [0001] The invention relates to the field of metal surface finishing, in particular to a method for cutting and shaping a structurally colored metal surface based on a blazed grating structure by a tool. Background technique [0002] For decorative purposes, changing the color of metal appearance at this stage relies on dyes. Dyeing with dyes will not only cause environmental pollution, but also easily fade and fade (especially when encountering certain chemical reagents). It can be seen that it is of great significance to study how to overcome the above-mentioned disadvantages or deficiencies in dyeing. [0003] Structural color, also known as physical color, is a luster caused by the wavelength of light and has nothing to do with pigment coloring. It will not fade or fade even when it encounters chemical reagents. It can be seen that if a microstructure capable of showing structural color can be processed on the metal surface, and the metal surface is dec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P9/02
CPCB23P9/02
Inventor 吕冰海陈振华邓乾发翁海舟戴伟涛邵琦杭伟
Owner ZHEJIANG UNIV OF TECH
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