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Enhancement of glass-forming ability and mechanical behavior of zirconium-lanthanide two-phase bulk metallic glasses
J. He; N. Mattern; I. Kaban; F. P. Dai; K. K. Song; Z. J. Yan; J. Z. Zhao; D. H. Kim; J. Eckert
2015
Source PublicationJournal of Alloys and Compounds
ISSN0925-8388
Volume618Pages:795-802
AbstractDevelopment of the two-phase bulk metallic glasses (BMGs) is essentially retarded due to difficulties in finding of phase-separated (immiscible) alloys with high glass-forming ability (GFA) of coexistent phases. Referring to the concept of solute partitioning and minimization of free energy, in this work we present an idea that a metallic liquid system containing two liquids with individual self-assembled eutectic composition may yield two-phase BMGs upon casting. The formation of the two-glass structure is discussed and a strategy of partial substitution of chemically similar elements for overcoming the drawback of low GFA is proposed. A family of two-phase zirconium-lanthanide based metallic glasses in bulk form is developed. The mechanical behavior of the two-phase BMGs with different ratio of zirconium-rich to lanthanide-rich glassy phase is studied for the first time. This work provides a new concept for fabrication of two-phase BMGs and reveals the role of constituent phases in determining the mechanical properties of the whole glass. (C) 2014 Elsevier B.V. All rights reserved.
description.department[he, jie ; zhao, jiuzhou] chinese acad sci, inst met res, shenyang 110016, peoples r china. [he, jie ; mattern, norbert ; kaban, ivan ; dai, fuping ; song, kaikai ; yan, zhijie ; eckert, jurgen] ifw dresden, inst complex mat, d-01069 dresden, germany. [kaban, ivan ; eckert, jurgen] tech univ dresden, inst mat sci, d-01062 dresden, germany. [dai, fuping ; song, kaikai] northwestern polytech univ, dept appl phys, xian 710072, peoples r china. [yan, zhijie] taiyuan univ sci & technol, sch mat sci & engn, taiyuan 030024, peoples r china. [kim, do hyang] yonsei univ, ctr noncrystalline mat, dept met engn, seoul 120749, south korea. ; he, j (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; jiehe@imr.ac.cn
KeywordPhase Separation Immiscible Alloys Solute Partitioning Bulk Metallic Glasses Glass-forming Ability Mechanical Behavior Nb-y Alloy Phase-separation Microstructure Plasticity System Fe La Composites Stability Elements
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73238
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. He,N. Mattern,I. Kaban,et al. Enhancement of glass-forming ability and mechanical behavior of zirconium-lanthanide two-phase bulk metallic glasses[J]. Journal of Alloys and Compounds,2015,618:795-802.
APA J. He.,N. Mattern.,I. Kaban.,F. P. Dai.,K. K. Song.,...&J. Eckert.(2015).Enhancement of glass-forming ability and mechanical behavior of zirconium-lanthanide two-phase bulk metallic glasses.Journal of Alloys and Compounds,618,795-802.
MLA J. He,et al."Enhancement of glass-forming ability and mechanical behavior of zirconium-lanthanide two-phase bulk metallic glasses".Journal of Alloys and Compounds 618(2015):795-802.
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