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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
发表期刊INTERMETALLICS
ISSN0966-9795
卷号73页码:5-11
摘要The 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.
部门归属[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
关键词Metallic Glasses Glass Transition And Crystallization Transmission Electron Microscopy Irradiation Effects Ion-beam Methods Secondary Ion Mass Spectrometry
学科领域Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
资助者National 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)
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75862
专题中国科学院金属研究所
通讯作者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.
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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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