Microstructures and mechanical properties of Zr-based metallic glass ablated by nanosecond pulsed laser in various gas atmospheres

doi:10.1016/j.jallcom.2022.163717

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	Microstructures and mechanical properties of Zr-based metallic glass ablated by nanosecond pulsed laser in various gas atmospheres
	Qian,Yongfeng; Jiang MQ(蒋敏强); Zhang ZY(张治愚); Huang,Hu; Hong,Jing; Yan,Jiwang
通讯作者	Huang, Hu(huanghu@jlu.edu.cn)
发表期刊	JOURNAL OF ALLOYS AND COMPOUNDS
	2022-04-25
卷号	901 页码:9
ISSN	0925-8388
摘要	The surface with micro-convex prepared by laser ablation is beneficial to improving the functional properties of metallic glasses (MGs). However, accompanied by the formation of micro-convex, surface hardness of the ablated area generally decreases due to the softening effect caused by laser thermal shock. Previous studies have shown that the mechanical properties of laser-ablated MG surface are significantly different when using different gas atmospheres. In this study, a comparative investigation was performed to analyze the influence of gas atmosphere (i.e. argon, nitrogen, and air) on the formation of micro-convex as well as its surface characteristics and mechanical properties. Experimental results showed that the atmosphere type did not affect the formation of micro-convex, but significantly affected the surface morphology and element composition of the laser-ablated area. The element analysis and Raman spectral measurements indicated that laser ablation in nitrogen or air atmosphere resulted in local nitridation or oxidation. The results of nanoindentation tests demonstrated that laser ablation in nitrogen or air atmosphere also resulted in surface hardness inhomogeneity, i.e., softening and hardening effects coexist in the ablated area, which could be attributed to the combined influence of laser thermal shock, the introduction of secondary phase as well as laser ablation induced loose structure. (c) 2022 Elsevier B.V. All rights reserved.
关键词	Metallic glass Laser ablation Mechanical property Different atmospheres
DOI	10.1016/j.jallcom.2022.163717
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000749784100004
关键词[WOS]	SHOCK ; NITRIDATION
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助项目	National Natural Science Foundation of China[51705197] ; National Natural Science Foundation of China[11972345] ; Young Elite Scientists Sponsorship Program by CAST (YESS)[2017QNRC001] ; Graduate Innovation Fund of Jilin University[101832020CX106] ; Fundamental Research Funds for the Central Universities (2019-2021)
项目资助者	National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by CAST (YESS) ; Graduate Innovation Fund of Jilin University ; Fundamental Research Funds for the Central Universities (2019-2021)
论文分区	一类
力学所作者排名	2
RpAuthor	Huang, Hu
引用统计	被引频次：11[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/88451
专题	非线性力学国家重点实验室
推荐引用方式 GB/T 7714	Qian,Yongfeng,Jiang MQ,Zhang ZY,et al. Microstructures and mechanical properties of Zr-based metallic glass ablated by nanosecond pulsed laser in various gas atmospheres[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,901:9.
APA	Qian,Yongfeng,蒋敏强,张治愚,Huang,Hu,Hong,Jing,&Yan,Jiwang.(2022).Microstructures and mechanical properties of Zr-based metallic glass ablated by nanosecond pulsed laser in various gas atmospheres.JOURNAL OF ALLOYS AND COMPOUNDS,901,9.
MLA	Qian,Yongfeng,et al."Microstructures and mechanical properties of Zr-based metallic glass ablated by nanosecond pulsed laser in various gas atmospheres".JOURNAL OF ALLOYS AND COMPOUNDS 901(2022):9.

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