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Ion milling-induced micrometer-sized heterogeneities and partial crystallization in a TiZrCuFeBe bulk metallic glass
Zhang, L.; Pauly, S.; Zhu, Z. W.; Gemming, T.; Fu, H. M.; Eckert, J.; Zhang, H. F.; Zhang, HF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.; Pauly, S (reprint author), IFW Dresden, Inst Complex Mat, POB 27 01 16, D-01069 Dresden, Germany.
2016-06-01
Source PublicationINTERMETALLICS
ISSN0966-9795
Volume73Pages:5-11
AbstractThe Ti36.2Zr30.3Cu8.3Fe4Be21.2,2 (at.%) bulk metallic glass (BMG) exhibits a regular micrometer-sized pattern in the transmission electron microscope (TEM) after ion milling. Quantitative energy-dispersive X-ray spectroscopy (EDX) results show that the compositions in the bright and dark regions are distinctly different, and the compositions gradually change with the contrast of the pattern. In the intermediate regions (with grey contrast) preferential crystallization is observed and this confirms that microscale heterogeneities exist in the ion-milled TEM specimens. On the contrary, the specimens prepared by focused ion beam and by electrolytic thinning show featureless microstructures in the TEM. Moreover, EDX results and the secondary ion mass spectroscopy show that the constituent elements are homogeneously distributed. An ion milling-induced compositional fluctuation mechanism is proposed, and the partial devitrification can be explained based on this mechanism. The present findings may lead to a deeper understanding of the occurrence of micrometer-sized heterogeneities in BMGs induced by ion milling. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[zhang, l. ; zhu, z. w. ; fu, h. m. ; zhang, h. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [zhang, l. ; pauly, s. ; gemming, t. ; eckert, j.] ifw dresden, inst complex mat, pob 27 01 16, d-01069 dresden, germany ; [eckert, j.] austrian acad sci, erich schmid inst mat sci, jahnstr 12, a-8700 leoben, austria ; [eckert, j.] univ leoben, dept mat phys, jahnstr 12, a-8700 leoben, austria
KeywordMetallic Glasses Glass Transition And Crystallization Transmission Electron Microscopy Irradiation Effects Ion-beam Methods Secondary Ion Mass Spectrometry
Subject AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51434008]; Program of "One Hundred Talented People" of the Chinese Academy of Sciences; Strategic Priority Research Program on Space Science; Chinese Academy of Sciences [XDA04020411, XDA04020202-11]; German Science Foundation (DFG) [PA 2275/2-1]; German Science Foundation (DFG) under the Leibniz Program [EC 111/26-1]; European Research Council under the ERC Advanced Grant INTELHYB [ERC-2013-ADG-340025]; China Scholarship Council (CSC)
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75862
Collection中国科学院金属研究所
Corresponding AuthorZhang, HF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.; Pauly, S (reprint author), IFW Dresden, Inst Complex Mat, POB 27 01 16, D-01069 Dresden, Germany.
Recommended Citation
GB/T 7714
Zhang, L.,Pauly, S.,Zhu, Z. W.,et al. Ion milling-induced micrometer-sized heterogeneities and partial crystallization in a TiZrCuFeBe bulk metallic glass[J]. INTERMETALLICS,2016,73:5-11.
APA Zhang, L..,Pauly, S..,Zhu, Z. W..,Gemming, T..,Fu, H. M..,...&Pauly, S .(2016).Ion milling-induced micrometer-sized heterogeneities and partial crystallization in a TiZrCuFeBe bulk metallic glass.INTERMETALLICS,73,5-11.
MLA Zhang, L.,et al."Ion milling-induced micrometer-sized heterogeneities and partial crystallization in a TiZrCuFeBe bulk metallic glass".INTERMETALLICS 73(2016):5-11.
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