A study of segregation and local order in Na-In liquid alloys
Identifieur interne : 01EC44 ( Main/Repository ); précédent : 01EC43; suivant : 01EC45A study of segregation and local order in Na-In liquid alloys
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Abstract
First-order quasi-chemical theory has been used to explain the concentration dependence of the concentration-concentration fluctuations SCC (0), number-number fluctuations SNN (0) and number-concentration fluctuations SNC(0). To gain further insight into the nature of ordering in the alloy, the Warren-Cowley short range order parameter α1, and the chemical diffusion D have also been computed and their essential features explained. The assumption of a complex of the form In4Na enables to calculate these parameters and to reproduce the important features of compound formation and phase separation observed experimentally at different compositions in the alloy
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">A study of segregation and local order in Na-In liquid alloys</title><author><name>OLATUNDE AKINLADE</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. agriculture, dep. physical sci.</s1><s2>Abeokuta</s2><s3>NGA</s3></inist:fA14><country>Nigeria</country><wicri:noRegion>Abeokuta</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">94-0606718</idno><date when="1994">1994</date><idno type="stanalyst">PASCAL 94-0606718 INIST</idno><idno type="RBID">Pascal:94-0606718</idno><idno type="wicri:Area/Main/Corpus">01DE69</idno><idno type="wicri:Area/Main/Repository">01EC44</idno></publicationStmt><seriesStmt><idno type="ISSN">0044-3093</idno><title level="j" type="abbreviated">Z. Met.kd.</title><title level="j" type="main">Zeitschrift für Metallkunde</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binary alloys</term><term>Diffusion</term><term>Indium alloys</term><term>Liquid alloy</term><term>Order parameters</term><term>Phase separation</term><term>Segregation</term><term>Short-range order</term><term>Sodium alloys</term><term>Theoretical study</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Ségrégation</term><term>Alliage liquide</term><term>Ordre courte distance</term><term>Paramètre ordre</term><term>Diffusion(transport)</term><term>Séparation phase</term><term>Etude théorique</term><term>Sodium alliage</term><term>Indium alliage</term><term>Alliage binaire</term><term>Alliage InNa</term><term>In Na</term><term>6475</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">First-order quasi-chemical theory has been used to explain the concentration dependence of the concentration-concentration fluctuations S<sub>CC</sub> (0), number-number fluctuations S<sub>NN</sub> (0) and number-concentration fluctuations S<sub>NC</sub>(0). To gain further insight into the nature of ordering in the alloy, the Warren-Cowley short range order parameter α<sub>1</sub>, and the chemical diffusion D have also been computed and their essential features explained. The assumption of a complex of the form In<sub>4</sub>Na enables to calculate these parameters and to reproduce the important features of compound formation and phase separation observed experimentally at different compositions in the alloy</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0044-3093</s0></fA01><fA02 i1="01"><s0>ZEMTAE</s0></fA02><fA03 i2="1"><s0>Z. 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To gain further insight into the nature of ordering in the alloy, the Warren-Cowley short range order parameter α<sub>1</sub>, and the chemical diffusion D have also been computed and their essential features explained. 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