IMR OpenIR
Correlation between medium-range order structure and glass-forming ability for Al-based metallic glasses
N. C. Wu; M. Yan; L. Zuo; J. Q. Wang
2014
Source PublicationJournal of Applied Physics
ISSN0021-8979
Volume115Issue:4
AbstractTo clarify the correlation of medium-range order (MRO) structure with glass forming ability (GFA) of Al-based metallic glasses, Al86Ni14-aYa (a = 2 similar to 9 at. %) metallic glasses were analyzed by x-ray diffraction in detail and further verified by synchrotron high-energy x-ray diffraction. The prepeak that reflects the MRO structural evolution was found to be much sensitive to alloy composition. We have proposed an icosahedral supercluster MRO structure model in Al-TM (transition metal)-RE (rare earth metal) system, which consists of 12 RE(TM)-centered clusters on the vertex of icosahedral supercluster, one RE(TM)-centered clusters in the center, and TM(RE) atoms located at RE(TM)-centered cluster tetrahedral interstices in the icosahedral supercluster. It was indicated that the MRO structural stability mainly depends on the interaction of efficient dense packing and electrochemical potential equalization principle. The Al86Ni9Y(La)(5) alloys present good GFA due to the combination of the two structural factors. (C) 2014 AIP Publishing LLC.
description.department[wu, n. c. ; zuo, l.] northeastern univ, coll mat & met, shenyang 110004, peoples r china. [wu, n. c. ; wang, j. q.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [yan, m.] univ queensland, sch mech & min engn, queensland ctr adv mat proc & mfg ampam, brisbane, qld, australia. ; wang, jq (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; jqwang@imr.ac.cn
KeywordLocal Atomic Order X-ray-diffraction Thermal-stability Alloys Packing Liquid Aluminum Clusters Model Xafs
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72590
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
N. C. Wu,M. Yan,L. Zuo,et al. Correlation between medium-range order structure and glass-forming ability for Al-based metallic glasses[J]. Journal of Applied Physics,2014,115(4).
APA N. C. Wu,M. Yan,L. Zuo,&J. Q. Wang.(2014).Correlation between medium-range order structure and glass-forming ability for Al-based metallic glasses.Journal of Applied Physics,115(4).
MLA N. C. Wu,et al."Correlation between medium-range order structure and glass-forming ability for Al-based metallic glasses".Journal of Applied Physics 115.4(2014).
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[N. C. Wu]'s Articles
[M. Yan]'s Articles
[L. Zuo]'s Articles
Baidu academic
Similar articles in Baidu academic
[N. C. Wu]'s Articles
[M. Yan]'s Articles
[L. Zuo]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[N. C. Wu]'s Articles
[M. Yan]'s Articles
[L. Zuo]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.