Entropy of Mixing of Liquid NaCd System
DOI:
https://doi.org/10.3126/njst.v10i0.2858Keywords:
Free energy of mixing (GM), Heat of mixing (HM), Entropy of mixing(SM), Concentration fluctuation, In the long wave length region [Scc(o)] and chemical short range order parameter(?1 )Abstract
The observed asymmetric behaviour of mixing properties of NaCd liquid alloys, with smaller negative value for excess free energy of mixing (-4.4919KJ) has aroused our interest to undertake a theoretical investigation of this system.The existence of an intermetallic compound in the solid phase, which is manifested in the phase diagram, may be one of the factors for the anomalous behaviour of property of mixing. A simple statistical mechanical theory based on complex formation model (the complex is formed by the preferential arrangement of A and B constituent atoms of the alloy AB ;( μA + νB = Aμ Bν) has been used to investigate the phenomena of compound formation in NaCd liquid alloys through the study of entropy of mixing through out the whole concentration range.
Nepal Journal of Science and Technology Volume 10, 2009 December Page: 105-107
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