Surface coloration of Zr-based metallic glass by nanosecond pulsed laser irradiation in ambient atmosphere

•Surface coloration of Zr-based metallic glass was achieved by nanosecond laser irradiation.•Four kinds of surface color were successfully produced.•The irradiated surfaces were covered by the laser scanning tracks and micro/nanoscale particles.•The coloring mechanism was discussed according to the...

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Bibliographic Details
Published in:Materials Letters Vol. 304; p. 130721
Main Authors: Zhang, Hongyang, Qian, Yongfeng, Zhang, Lin, Zhang, Di, Liu, Hanlin, Huang, Hu
Format: Journal Article
Language:English
Japanese
Published: Amsterdam Elsevier B.V 01.12.2021
Elsevier BV
Subjects:
Amorphous materials
Argon
Chemical composition
Color
Coloring
Irradiation
Laser applications
Lasers
Materials science
Metallic glass
Metallic glasses
Nanosecond pulsed laser
Nanosecond pulses
Oxide coatings
Pulsed lasers
Spectrum analysis
Surface coloring
Surface microstructure
Thickness
X ray photoelectron spectroscopy
X-ray diffraction
X-ray spectroscopy
Surface coloring
Metallic glass
Nanosecond pulsed laser
Surface microstructure
ISSN:0167-577X, 1873-4979
Online Access:Get full text
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Summary:•Surface coloration of Zr-based metallic glass was achieved by nanosecond laser irradiation.•Four kinds of surface color were successfully produced.•The irradiated surfaces were covered by the laser scanning tracks and micro/nanoscale particles.•The coloring mechanism was discussed according to the surface characteristics. Coloring the surface of metallic glasses (MGs) would be beneficial to their industrial and commercial applications. In this study, by nanosecond pulsed laser irradiation in ambient atmosphere, four kinds of surface color were successfully achieved for a typical Zr-based MG. All these four colorated MG surfaces mainly included two kinds of microstructures, i.e., the laser scanning tracks and micro/nanoscale particles. The chemical compositions of these four laser-irradiated surfaces were further characterized by X-ray diffraction (XRD), X-ray electron spectroscopy (XPS), and energy dispersive X-ray spectroscopy (EDS). The results indicated that kinds of oxides were formed on the irradiated surfaces. According to the XRD, EDS and XPS results, the cross-sectional characteristics as well as the comparative experiments in argon atmosphere, the surface color could be attributed to the interference of oxide films with different thicknesses. This study provides a simple and low-cost method for coloring MGs, which is expected to broaden their functional applications.
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ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2021.130721