Phase Equilibria in the System Ag-Ni-Sn: Thermal Behavior

Clemens Schmetterer, Herbert Ipser, Hans Flandorfer (Corresponding author)

Publications: Contribution to journalArticlePeer Reviewed

Abstract

The phase equilibria in the ternary Ag¿Ni¿Sn system, which has high relevance in lead-free soldering, were investigated by means of thermoanalytical methods. Together with the results of an earlier investigation by X − ray powder diffraction and electron probe microanalysis (Schmetterer et al., J Electron Mater, 2007), a complete and consistent ternary phase diagram was derived. Nine isopleths, a full liquidus projection and the corresponding reaction scheme (Scheil diagram) are presented here. Altogether eight invariant reactions involving the liquid phase were identified, i.e. two ternary eutectics (Type I reactions) and six transition reactions (Type II reactions), and the extension of the liquid miscibility gap was determined.

Original languageEnglish
Pages (from-to)155-164
Number of pages10
JournalActa Materialia
Volume56
Issue number2
Publication statusPublished - 2008

Austrian Fields of Science 2012

  • 104003 Inorganic chemistry
  • 104011 Materials chemistry

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