Density and viscosity of ternary Al-Cu-Si liquid alloys

Hidekazu Kobatake, Julianna Schmitz, Jürgen Brillo

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


Densities and viscosities of ternary Al-Cu-Si liquid alloys have been investigated over a wide temperature and composition range. Density was measured using electromagnetic levitation as a container-less technique, while viscosity was measured by means of a high-temperature oscillating cup viscometer. In this ternary system, binary interaction parameters as well as a third (ternary) interaction parameter need to be taken into account for the excess volume to describe the liquid densities. The temperature dependences of the viscosities are well described by the Arrhenius law. A maximum of the activation energy of viscous flow is found in that compositional range in which intermetallic phases exist in the solid state.

Original languageEnglish
Pages (from-to)3541-3549
Number of pages9
JournalJournal of Materials Science
Issue number9
Publication statusPublished - 2014 May

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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