Preprint Article Version 1 This version is not peer-reviewed

Chemical Ordering in Na-Pb and Na-Hg Binary Liquid Alloys

Version 1 : Received: 9 May 2017 / Approved: 9 May 2017 / Online: 9 May 2017 (11:28:07 CEST)

How to cite: Ajayi, A.A.; Ogunmola, E.D. Chemical Ordering in Na-Pb and Na-Hg Binary Liquid Alloys. Preprints 2017, 2017050086 (doi: 10.20944/preprints201705.0086.v1). Ajayi, A.A.; Ogunmola, E.D. Chemical Ordering in Na-Pb and Na-Hg Binary Liquid Alloys. Preprints 2017, 2017050086 (doi: 10.20944/preprints201705.0086.v1).

Abstract

A simple model has been used to investigate the nature of chemical order in Na-Pb and Na-Hg liquid binary alloy at 700K and 673K respectively. The energy parameter obtained from the model was used to calculate the concentration dependent mixing properties such as Gibb’s free energy of mixing, Concentration fluctuations in the long wavelength limit and the Warren-Cowley chemical short range order parameter. Results obtained showed that both alloys are hetero-coordinated throughout the entire concentration and there is tendency for segregation and demixing to take place in the liquid alloys. We observed that Na-Hg liquid alloy is more strongly interacting binary alloy and chemically ordered than Na-Pb liquid alloy.

Subject Areas

binary liquid alloy; chemical ordering; sodium; theoretical study; Warren-Cowley parameter

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