Excess volume and heat of mixing in Cu-Ti liquid mixture (Articolo in rivista)

Type
Label
  • Excess volume and heat of mixing in Cu-Ti liquid mixture (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4817679 (literal)
Alternative label
  • Amore S.; Delsante S.; Kobatake H.; Brillo J. (2013)
    Excess volume and heat of mixing in Cu-Ti liquid mixture
    in The Journal of chemical physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Amore S.; Delsante S.; Kobatake H.; Brillo J. (literal)
Pagina inizio
  • 064504 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://scitation.aip.org/content/aip/journal/jcp/139/6/10.1063/1.4817679 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 139 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 : Istituto per l'Energetica e le Interfasi, Consiglio Nazionale delle Ricerche (CNR-IENI), 16149 Genova, Italy / 2 : Dipartimento di Chimica e Chimica Industriale, Universitá degli Studi di Genova (DCCI), 16146 Genova, Italy / 3,4 : Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft- und Raumfahrt (DLR), 51170 Köln, Germany (literal)
Titolo
  • Excess volume and heat of mixing in Cu-Ti liquid mixture (literal)
Abstract
  • Molar excess volume of Cu-Ti liquid mixture has been investigated to elucidate how the excess volume in binary alloys is related to mixing enthalpy and microscopic interactions. Cu-Ti is used as a key example for systems showing positive excess volume and negative mixing enthalpy. For this purpose, the density of several Cu-Ti binary mixtures has been measured over the whole composition range by the containerless technique of electromagnetic levitation as a function of temperature. A linear temperature dependence of the density has been found for all investigated alloys. In addition, the density decreases with increasing Ti content in the alloys, showing a negative deviation from the ideal solution model. As mentioned, a positive excess volume was found whereas the enthalpy of mixing is negative. This behavior has been discussed in relation with chemical ordering and the role played by attractive and repulsive interactions in the system, according to previous results obtained by means of molecular dynamics simulation on binary dense fluids. © 2013 AIP Publishing LLC. (literal)
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