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Nanosecond pulsed laser irradiation induced hierarchical micro/nanostructures on Zr-based metallic glass substrate
Huang H; Jun N; Jiang MQ(蒋敏强); Ryoko M; Yan JW; Yan, JW (reprint author), Keio Univ, Fac Sci & Technol, Dept Mech Engn, Yokohama, Kanagawa 2238522, Japan.
Source PublicationMATERIALS & DESIGN
2016
Volume109Pages:153-161
ISSN0264-1275
AbstractA large effective surface area is beneficial to enhance the applications of metallic glasses (MGs) in heterogeneous catalysis and biomedical engineering. For the purpose of increasing effective surface area, in this study, hierarchical micro/nanostructures were fabricated on a Zr-based MG substrate by nanosecond pulsed laser irradiation. Experimental results indicated that a layer of micron-scale laser pulse tracks covered by a cotton-like MG thin film with nanometer-scale microstructure was formed in the laser irradiated region. This hierarchical micro/nanostructures retained amorphous characteristic and exhibited uniform element distribution. Its formation mechanism was investigated by analyzing the laser irradiation process and morphologies. Nanoindentation results indicated that the cotton-like MG thin film was very loose and soft compared to the as-cast MG substrate, showing different plastic deformation behavior. Results from this study indicate that nanosecond pulsed laser irradiation is an effective method to generate hierarchical micro/nanostructures on MG substrates, which can increase their effective surface areas and improve their potential applications as biomaterials and catalysts. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordHierarchical Micro/nanostructure Metallic Glass Thin Film Laser Irradiation Nanoindentation
DOI10.1016/j.matdes.2016.07.056
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000384105000016
WOS KeywordHierarchical micro/nanostructure ; Metallic glass ; Thin film ; Laser irradiation ; Nanoindentation
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
Funding OrganizationH.H. is an International Research Fellow of the Japan Society for the Promotion of Science (JSPS). This study has been financially supported by Grant-in-Aid for JSPS Fellows (Grant No. 26-04048).
DepartmentLNM冲击动力学与新型材料力学性能
Classification二类
RankingFalse
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59713
Collection非线性力学国家重点实验室
Corresponding AuthorYan, JW (reprint author), Keio Univ, Fac Sci & Technol, Dept Mech Engn, Yokohama, Kanagawa 2238522, Japan.
Recommended Citation
GB/T 7714
Huang H,Jun N,Jiang MQ,et al. Nanosecond pulsed laser irradiation induced hierarchical micro/nanostructures on Zr-based metallic glass substrate[J]. MATERIALS & DESIGN,2016,109:153-161.
APA Huang H,Jun N,蒋敏强,Ryoko M,Yan JW,&Yan, JW .(2016).Nanosecond pulsed laser irradiation induced hierarchical micro/nanostructures on Zr-based metallic glass substrate.MATERIALS & DESIGN,109,153-161.
MLA Huang H,et al."Nanosecond pulsed laser irradiation induced hierarchical micro/nanostructures on Zr-based metallic glass substrate".MATERIALS & DESIGN 109(2016):153-161.
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