CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Structure alterations in Al-Y-based metallic glasses with La and Ni addition
Shi, XM; Wang, XD; Yu, Q; Cao, QP; Zhang, DX; Zhang, J; Hu, TD; Lai, LH; Xie, HL; Xiao, TQ; Jiang, JZ; Jiang, JZ (reprint author), Zhejiang Univ, Int Ctr New Struct Mat, Lab New Struct Mat, Hangzhou 310027, Zhejiang, Peoples R China.
2016
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
Volume119Issue:11Pages:
Subtype期刊文献
AbstractThe atomic structures of Al89Y11, Al90Y6.5La3.5, and Al82.8Y6.07Ni8La3.13 metallic glasses have been studied by using high energy X-ray diffraction, X-ray absorption fine structure combined with the ab initio molecular dynamics and reverse Monte Carlo simulations. It is demonstrated that the partial replacement of Y atoms by La has limited improvement of the glass forming ability (GFA), although La atoms reduce the ordering around Y atoms and also the fractions of icosahedron-like polyhedra centered by Al atoms. In contrast, Ni atoms can significantly improve the GFA, which are inclined to locate in the shell of polyhedra centered by Al, Y, and La atoms, mainly forming Ni-centered icosahedron-like polyhedra to enhance the spatial connectivity between clusters and suppress the crystallization. (C) 2016 AIP Publishing LLC.
KeywordAmorphous-alloys Atomic Packing Crystallization Temperature Aluminum Dynamics Systems Co
DOI10.1063/1.4944653
Indexed BySCI
Language英语
WOS IDWOS:000373383300034
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25846
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorWang, XD; Jiang, JZ (reprint author), Zhejiang Univ, Int Ctr New Struct Mat, Lab New Struct Mat, Hangzhou 310027, Zhejiang, Peoples R China.
Recommended Citation
GB/T 7714
Shi, XM,Wang, XD,Yu, Q,et al. Structure alterations in Al-Y-based metallic glasses with La and Ni addition[J]. JOURNAL OF APPLIED PHYSICS,2016,119(11):—.
APA Shi, XM.,Wang, XD.,Yu, Q.,Cao, QP.,Zhang, DX.,...&Jiang, JZ .(2016).Structure alterations in Al-Y-based metallic glasses with La and Ni addition.JOURNAL OF APPLIED PHYSICS,119(11),—.
MLA Shi, XM,et al."Structure alterations in Al-Y-based metallic glasses with La and Ni addition".JOURNAL OF APPLIED PHYSICS 119.11(2016):—.
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