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Applications of an extended Miedema's model for ternary alloys

TitleApplications of an extended Miedema's model for ternary alloys
Publication TypeJournal Article
Year of Publication2010
AuthorsRay PK, Akinc M, Kramer MJ
Journal TitleJournal of Alloys and Compounds
Volume489
Pages357-361
Date Published01/21
ISBN Number0925-8388
Accession NumberISI:000273251000011
Keywords', formation enthalpies, formation enthalpy, glass-forming ability, intermetallic compounds, mechanical-properties, miedema, mo-si-b, molybdenum silicides, OXIDATION BEHAVIOR, s semi-empirical model, ternary alloys, thermodynamics, TRANSITION-METAL ALLOYS
Abstract

The extension of Miedema's semi-empirical model to ternary systems by means of an energy minimization scheme was implemented to demonstrate a number of physical phenomena associated with select ternary alloys. in order to gain a thermodynamic understanding of glass forming ability of Zr based alloys, a combination of extended Miedema's model and lattice strain energies has been invoked. The extended Miedema approach has also been used to study the phase selection during crystallization for amorphous Zr-Cu-Ni alloys. Also extended Miedema's model was used to illustrate its applicability to study the phase stability of Mo-Nb-Si alloys around M3Si composition (M = Mo, Nb), by predicting the amount of Nb (30 at.%) required to destabilize the structure. (C) 2009 Elsevier B.V. All rights reserved.
URL<Go to ISI>://000273251000011
DOIDoi 10.1016/J.Jallcom.2009.07.062