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Glass formation and structural study of Ti50Cu50 alloy by molecular dynamics
Sch. of Mech. and Aerospace Eng., Nanyang Technological University, Singapore.
Sch. of Mech. and Aerospace Eng., Nanyang Technological University, Singapore.
Singapore Institute of Manufacturing Technology.ORCID-id: 0000-0002-0101-0062
Miracle Machines Pte. Ltd., Singapore.
2010 (Engelska)Ingår i: Materials Science Forum, ISSN 0255-5476, E-ISSN 1662-9752, Vol. 638-642, s. 1665-1670Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Ti-based metallic glasses (MGs) due to their relative low densities exhibit ultrahigh specific characteristics. In this article the glass-forming behavior and atomic structure of Ti50Cu50 MG were investigated through molecular dynamics simulation (MDS) using the general embedded-atom method (GEAM) potential. As observed experimentally, simulated Ti 50Cu50 alloy undergoes three states on quenching: (i) equilibrium liquid; (ii) supercooled liquid and (iii) glassy solid. The atomic configuration of the glass was analysed based on the radial distribution function (RDF) and Voronoi tessellation (VT). It was found that there exist a variety of polyhedral units in Ti50Cu50 MG, where distorted icosohedral and bcc clusters are dominant. © (2010) Trans Tech Publications.

Ort, förlag, år, upplaga, sidor
2010. Vol. 638-642, s. 1665-1670
Nyckelord [en]
Atomic structure, Metallic glass, Molecular dynamics, TiCu, Atomic configuration, Embedded-atom method, Glass formation, Glass-forming, Glassy solids, Low density, Molecular dynamics simulations, Radial distribution functions, Structural studies, Supercooled liquids, Voronoi tessellations, Atoms, Copper alloys, Distribution functions, Dynamics, Glass, Liquids, Supercooling
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:hj:diva-16638DOI: 10.4028/www.scientific.net/MSF.638-642.1665OAI: oai:DiVA.org:hj-16638DiVA, id: diva2:454426
Anmärkning
Sponsors: The Minerals, Metals and Materials Society (TMS)Tillgänglig från: 2011-11-07 Skapad: 2011-11-07 Senast uppdaterad: 2017-12-08Bibliografiskt granskad

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