Investigation of segregation for AlxIn1-x liquid binary alloys
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Abstract
Segregation of AlxIn1-x liquid binary alloys is systematically investigated from the energetic point of view using the electronic theory of metals. The free energy of mixing is calculated at different thermodynamic states characterized by temperatures for the full range of concentration by using the perturbation approach. The interionic interaction is described by a local pseudopotential. This study enables us to predict the correct miscibility gap as well as critical temperature (T=1160 K) and critical concentration (x=0.5) of segregation for the concerned alloys. These results agree well with available experimental data. Most importantly, results of our calculations have precisely identified for the first time that, the volume dependent term of the energy of mixing is mostly responsible for the total energy of mixing to be positive, which is one of the most significant indicators of segregation of liquid metals in binary alloys.
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Bhuiyan</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Theoretical Physics, University of Dhaka</s1><s3>BGD</s3><sZ>2 aut.</sZ></inist:fA14><country>Bangladesh</country><wicri:noRegion>Department of Theoretical Physics, University of Dhaka</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0211367</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0211367 INIST</idno><idno type="RBID">Pascal:13-0211367</idno><idno type="wicri:Area/Main/Corpus">000C02</idno><idno type="wicri:Area/Main/Repository">000994</idno></publicationStmt><seriesStmt><idno type="ISSN">0921-4526</idno><title level="j" type="abbreviated">Physica, B Condens. matter</title><title level="j" type="main">Physica. B, Condensed matter</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aluminium alloys</term><term>Chemical composition</term><term>Critical points</term><term>Free energy</term><term>Heat of mixing</term><term>Indium alloys</term><term>Ionic interaction</term><term>Liquid alloys</term><term>Miscibility gap</term><term>Perturbation theory</term><term>Pseudopotential</term><term>Segregation</term><term>Structure factors</term><term>Total energy</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Ségrégation</term><term>Energie libre</term><term>Chaleur mélange</term><term>Théorie perturbation</term><term>Interaction ionique</term><term>Pseudopotentiel</term><term>Lacune miscibilité</term><term>Point critique</term><term>Energie totale</term><term>Facteur structure</term><term>Composition chimique</term><term>Alliage liquide</term><term>Aluminium alliage</term><term>Indium alliage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Segregation of Al<sub>x</sub>In<sub>1-x</sub> liquid binary alloys is systematically investigated from the energetic point of view using the electronic theory of metals. The free energy of mixing is calculated at different thermodynamic states characterized by temperatures for the full range of concentration by using the perturbation approach. The interionic interaction is described by a local pseudopotential. This study enables us to predict the correct miscibility gap as well as critical temperature (T=1160 K) and critical concentration (x=0.5) of segregation for the concerned alloys. These results agree well with available experimental data. Most importantly, results of our calculations have precisely identified for the first time that, the volume dependent term of the energy of mixing is mostly responsible for the total energy of mixing to be positive, which is one of the most significant indicators of segregation of liquid metals in binary alloys.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0921-4526</s0></fA01><fA03 i2="1"><s0>Physica, B Condens. matter</s0></fA03><fA05><s2>422</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Investigation of segregation for Al<sub>x</sub>In<sub>1-x</sub> liquid binary alloys</s1></fA08><fA11 i1="01" i2="1"><s1>FARUK (Mir Mehedi)</s1></fA11><fA11 i1="02" i2="1"><s1>BHUIYAN (G. M.)</s1></fA11><fA14 i1="01"><s1>Department of Applied Physics, Electronics and Communication Engineering, University of Dhaka</s1><s3>BGD</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Theoretical Physics, University of Dhaka</s1><s3>BGD</s3><sZ>2 aut.</sZ></fA14><fA20><s1>56-63</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>145B</s2><s5>354000503035030110</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>61 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0211367</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Physica. B, Condensed matter</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Segregation of Al<sub>x</sub>In<sub>1-x</sub> liquid binary alloys is systematically investigated from the energetic point of view using the electronic theory of metals. The free energy of mixing is calculated at different thermodynamic states characterized by temperatures for the full range of concentration by using the perturbation approach. The interionic interaction is described by a local pseudopotential. This study enables us to predict the correct miscibility gap as well as critical temperature (T=1160 K) and critical concentration (x=0.5) of segregation for the concerned alloys. These results agree well with available experimental data. Most importantly, results of our calculations have precisely identified for the first time that, the volume dependent term of the energy of mixing is mostly responsible for the total energy of mixing to be positive, which is one of the most significant indicators of segregation of liquid metals in binary alloys.</s0></fC01><fC02 i1="01" i2="3"><s0>001B60E20</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Ségrégation</s0><s5>02</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Segregation</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Energie libre</s0><s5>03</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Free energy</s0><s5>03</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Chaleur mélange</s0><s5>04</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Heat of mixing</s0><s5>04</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Théorie perturbation</s0><s5>06</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Perturbation theory</s0><s5>06</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Interaction ionique</s0><s5>07</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Ionic interaction</s0><s5>07</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Interacción iónica</s0><s5>07</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Pseudopotentiel</s0><s5>08</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Pseudopotential</s0><s5>08</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Lacune miscibilité</s0><s5>09</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Miscibility gap</s0><s5>09</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Point critique</s0><s5>10</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Critical points</s0><s5>10</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Energie totale</s0><s5>11</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Total energy</s0><s5>11</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Facteur structure</s0><s5>12</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Structure factors</s0><s5>12</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Composition chimique</s0><s5>13</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Chemical composition</s0><s5>13</s5></fC03><fC03 i1="12" i2="3" l="FRE"><s0>Alliage liquide</s0><s5>15</s5></fC03><fC03 i1="12" i2="3" l="ENG"><s0>Liquid alloys</s0><s5>15</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Aluminium alliage</s0><s5>16</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Aluminium alloys</s0><s5>16</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Indium alliage</s0><s5>17</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Indium alloys</s0><s5>17</s5></fC03><fN21><s1>196</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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