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Microscopic Structure of NaCd Compound Forming Binary Molten Alloys
Author(s) -
Sujeet Kumar Chatterjee,
L. C. Prasad,
Ajaya Bhattarai
Publication year - 2011
Publication title -
materials sciences and applications
Language(s) - English
Resource type - Journals
eISSN - 2153-1188
pISSN - 2153-117X
DOI - 10.4236/msa.2011.26081
Subject(s) - materials science , alloy , asymmetry , binary number , thermodynamics , short range order , crystallography , metallurgy , chemistry , physics , arithmetic , mathematics , quantum mechanics
A simple statistical mechanical theory based on compound formation model (compound Aμ Bv formed by the preferential arrangement of A and B constituent atoms of the alloy AB, μA + νB ≒ Aμ Bv) has been used to investigate the phenomena of compound formation in NaCd liquid alloys through the study of concentration fluctuation in the long wavelength region [Scc(0)] and chemical short range order parameter (α1). The study explains the observed asymmetry successfully and suggest the existence of Cd2Na complex in the melt. The tendency of compound has been found to be weak. A tendency of inversion from segregation to order although very small, has been observed, in NaCd liquid alloys

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