On the transformation between micro-concave and micro-convex in nanosecond laser ablation of a Zr-based metallic glass

doi:10.1016/j.jmapro.2021.06.034

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	On the transformation between micro-concave and micro-convex in nanosecond laser ablation of a Zr-based metallic glass
	Y. F. Qian; M. Q. Jiang; Z. Y. Zhang; H. Huang and J. W. Yan
	2021
发表期刊	Journal of Manufacturing Processes
ISSN	1526-6125
卷号	68 页码:1114-1122
摘要	Understanding the physical mechanism of laser-material interaction is significant and meaningful in both pure science and engineering applications. Laser ablation induced micro-concave is a commonly-observed phenomenon, but the formation of micro-convex by laser ablation is rarely reported. In this study, the transformation in surface microstructure from micro-concave to micro-convex, then to micro-concave again was reported for the first time in laser ablation of a typical Zr-based metallic glass (MG). The experimental results indicated that such transformations strongly depended on the peak laser power intensity and number of laser pulses. The coupling effects of the recoil pressure and Marangoni flow were proposed to explain the observed transformation. By locally overlapping adjacent micro-convexes, various surface patterns could be fabricated on the MG surface, which could tune its surface wettability. This study would not only enhance the understanding of laser-MG interaction but also provide new methods for patterning MG surface.
DOI	10.1016/j.jmapro.2021.06.034
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收录类别	SCI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65480
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. F. Qian,M. Q. Jiang,Z. Y. Zhang,et al. On the transformation between micro-concave and micro-convex in nanosecond laser ablation of a Zr-based metallic glass[J]. Journal of Manufacturing Processes,2021,68:1114-1122.
APA	Y. F. Qian,M. Q. Jiang,Z. Y. Zhang,&H. Huang and J. W. Yan.(2021).On the transformation between micro-concave and micro-convex in nanosecond laser ablation of a Zr-based metallic glass.Journal of Manufacturing Processes,68,1114-1122.
MLA	Y. F. Qian,et al."On the transformation between micro-concave and micro-convex in nanosecond laser ablation of a Zr-based metallic glass".Journal of Manufacturing Processes 68(2021):1114-1122.

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