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Amorphous alloy coloring method, amorphous alloy and application of amorphous alloy coloring method

An amorphous alloy and amorphous technology, applied in the coloring method of amorphous alloy, its amorphous alloy and its application field, can solve the problems of time-consuming nanostructure lithography, complicated oxidation process, and reduced material performance, etc., and achieve processing speed Fast, high-precision, high-resolution effects

Active Publication Date: 2020-06-09
INST OF PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many problems in the existing methods, including doping reduces the material properties, the coating is easy to crack, the oxidation process is complex and universal, and nanostructure photolithography is time-consuming and expensive, so it is difficult to meet large-scale industrial production.

Method used

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  • Amorphous alloy coloring method, amorphous alloy and application of amorphous alloy coloring method
  • Amorphous alloy coloring method, amorphous alloy and application of amorphous alloy coloring method
  • Amorphous alloy coloring method, amorphous alloy and application of amorphous alloy coloring method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] This example is used to illustrate the coloring method of the amorphous alloy of the present invention.

[0079] Ion beam sputtering on a silicon substrate is selected, and the vacuum degree is 2.4×10 -4 Under the Pa argon environment, the main cathode current is 6.5A, the screen grid voltage is 50V, the ion beam current is 80mA, the ion energy is 750eV, the working time is 2350s, and the same time is plated four times. Prepare Zr with a thickness of 1.5 microns according to the above parameters 46 Cu 46 al 8 (According to atomic percentage) amorphous alloy film. The surface of the film has a mirror surface that is smooth and flat at the atomic level. Place the thin film sample on the laser processing platform with the mirror facing up, using a nanosecond laser with an output power of 20W, a wavelength of 1064nm, a focus spot diameter of 0.05mm, and a pulse width range of 2-250ns. It performs scan and scribe surface processing or fill and scribe processing (the rou...

Embodiment 2

[0085] This example is used to illustrate the coloring method of the amorphous alloy of the present invention.

[0086] Ion beam sputtering on a silicon substrate is selected, and the vacuum degree is 2.4×10 -4 In the Pa argon environment, the main cathode current is 6.5A, the screen grid voltage is 50V, the ion beam current is 80mA, the ion energy is 750eV, the working time is 2350s, and the same time is plated 6 times to prepare Zr with a thickness of 2 microns. 46 Cu 46 al 8 (According to atomic percentage) amorphous alloy film. The surface of the film has a mirror surface that is smooth and flat at the atomic level. The thin film sample is placed on the laser processing platform with the mirror facing up, using a picosecond laser with an output power of 20W, a wavelength of 355nm, a focused spot diameter of 0.02mm, and a pulse width of 7ps. By fixing the defocus amount as 1 mm, selecting a power factor of 50 to 100%, a scanning speed of 10 to 8000 mm / s, a repetition fr...

Embodiment 3

[0090] This example is used to illustrate the coloring method of the amorphous alloy of the present invention.

[0091] Al with a thickness of 40 microns 86 Ni 7 Y 5 co 1 La 1 The amorphous alloy strip is ultrasonically cleaned with alcohol, and then the surface of the amorphous alloy strip is treated with a nanosecond laser. The processing and detection methods are as in Example 1. The relationship between the resulting color and the processing parameters is shown in Table 3.

[0092] The relationship between the color of the surface of the amorphous alloy strip and the treatment method in Table 3 Example 3

[0093]

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Abstract

The invention provides an amorphous alloy coloring method. The method comprises the step of treating an amorphous alloy surface by using nanosecond or picosecond laser in air or under a protective gasenvironment, specifically, the treated amorphous alloy surface has a color within the visible light range. The invention also provides an amorphous alloy and application of the amorphous alloy coloring method. According to the amorphous alloy coloring method, the laser coloring speed is high, the cost is low, and high-throughput coloring treatment can be realized; the method is simple and easy toimplement; the color is controllable, and the color of the amorphous alloy surface can be controlled by adjusting laser parameters; the product has no size limitation, and large-area amorphous alloymaterials can be processed; and amorphous alloy products having two-dimensional or three-dimensional complex shapes can be processed.

Description

technical field [0001] The invention belongs to the field of amorphous alloys, and in particular relates to an amorphous alloy coloring method, the amorphous alloy and applications thereof. Background technique [0002] Amorphous alloys, that is, amorphous metal materials, have attracted wide attention due to their excellent properties such as high strength, high hardness, high elasticity, and high wear resistance. They can be used as small structural materials such as sports equipment, electronic products, and acoustic materials. , wear-resistant coating, etc., are gradually being welcomed and concerned by the market. Colored metal surfaces are becoming a new aesthetic demand of consumers, so the development of surface coloring technology for amorphous alloys has become a current research and development hotspot. The existing metal surface coloring techniques can be divided into the following categories: doping, coating, oxidation and photolithography nanostructure. Howev...

Claims

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Application Information

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IPC IPC(8): B23K26/36B23K26/14C22C45/10C22C45/08C22C45/00
CPCB23K26/14B23K26/36C22C45/001C22C45/08C22C45/10
Inventor 李金凤孙永昊白海洋汪卫华
Owner INST OF PHYSICS - CHINESE ACAD OF SCI
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