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Effect of Fe Addition on Ordering Kinetics in Ni3Al1-xFex System. Monte Carlo Simulation

Journal Defect and Diffusion Forum (Volume 263)
Volume Diffusion and Thermodynamics of Materials
Edited by J. Čermák and I. Stloukal
Pages 93-98
DOI 10.4028/www.scientific.net/DDF.263.93
Citation E. Partyka et al., 2007, Defect and Diffusion Forum, 263, 93
Online since March, 2007
Authors E. Partyka, Rafał Kozubski
Keywords Monte-Carlo Simulation, Point Defect
Abstract

The influence of Fe admixture on ordering kinetics in Ni3Al1-xFex was studied by running Monte Carlo simulations in a model system A3B1-xCx showing similarly to Ni3Al1-xFex destabilization of the ordered phase when admixing a ternary element C. Detailed analysis of atomic jump statistics revealed a dominance of the C-atom jumps in the creation/elimination of antisite defects as well as in the migration of antisites within majority sublattice. The results elucidate the role of Fe alloying in the kinetics of chemical ordering in Ni3Al.

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