Fabricating colorful bulk metallic glass surfaces by femtosecond laser processing

被引：18

作者：

Gao, Qiang ^{[1
]}

Ouyang, Di ^{[1
]}

Liu, Xiaotao ^{[1
]}

Wu, Shixing ^{[1
]}

Huang, Xin ^{[1
]}

Li, Ning ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & & Mould Technol, Wuhan 430074, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2021年 / 266卷

基金：

中国国家自然科学基金;

关键词：

Femtosecond laser; Bulk metallic glasses; Colorful surfaces; Diffraction efficiency of Bragg; FEATURES;

D O I：

10.1016/j.matchemphys.2021.124561

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Here, we report on successful fabrication of colorful bulk metallic glass surfaces through the technique of femtosecond laser processing. The results manifest that with increasing the laser energy density from 0.5 J/mm2 to 8.0 J/mm2, the color of processed Zr based bulk metallic glasses varies from yellow to brown and then green. The mechanism of the surface color transformation can be fundamentally understood in terms of the diffraction efficiency of Bragg originating from various laser energy densities. Our findings provide a facile method for engraving colorful amorphous alloy surfaces, thereby improving the application potentials of such materials.

引用

页数：6

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