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Thermodynamic assessment of phase equilibria in the Sn-Ag-Ni system with key experimental verification

  • F. Gao*
  • , C. P. Wang
  • , X. J. Liu
  • , K. Ishida
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The phase transformations of the Sn-Ag-Ni system were investigated by means of differential scanning calorimetry (DSC). Based on the experimental data of phase equilibria and thermodynamic properties determined by the present work and previous literature, the thermodynamic assessments of the Sn-Ag-Ni system were carried out using the calculation of phase diagrams (CALPHAD) method. The thermodynamic parameters for describing the phase equilibria were optimized, and reasonable agreement between the calculations and experimental data was obtained in the Sn-Ag-Ni ternary system.

Original languageEnglish
Pages (from-to)279-287
Number of pages9
JournalJournal of Electronic Materials
Volume37
Issue number3
DOIs
StatePublished - Mar 2008
Externally publishedYes

Keywords

  • CALPHAD method
  • Pb-free solders
  • Sn-Ag-Ni system
  • Thermodynamic assessment

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