NDLI: Effects of atomic size difference and heat of mixing parameters on the local structure of a model metallic glass system

Content Provider	Springer Nature Link
Author	Yun, Y. S. Nam, H. S. Cha, P. R. Kim, W. T. Kim, D. H.
Copyright Year	2014
Abstract	Atomic size differences between constituting elements and the heat of mixing are key factors in designing a metallic glass system. In this study, the effects of atomic size differences and the heat of mixing on the glass-forming ability and the local structure of metallic glasses were studied via molecular dynamic simulations of an ideal system known as the Lennard-Jones embedded-atom method model. The atomic size difference and the heat of mixing of the system were varied by means of the Lennard-Jones parameters. The glass transition behavior was characterized based on the chemical short-range order and by a Voronoi analysis. Our simulations lead to optimized windows of atomic size differences and heat of mixing parameters for metallic glass-forming of the model system. Both a greater negative heat of mixing and a larger atomic size difference are necessary for the enhancement of the glass-forming ability.
Starting Page	105
Ending Page	111
Page Count	7
File Format	PDF
ISSN	15989623
Journal	Metals and Materials
Volume Number	20
Issue Number	1
e-ISSN	20054149
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-09-30
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	computer simulation glasses metals ordering crystallization Metallic Materials Operating Procedures, Materials Treatment Magnetism, Magnetic Materials Engineering Thermodynamics, Heat and Mass Transfer Characterization and Evaluation of Materials Continuum Mechanics and Mechanics of Materials
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics

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