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The Cu–Sn phase diagram, Part I: New experimental results

Siegfried FürtauerInstitute of Inorganic Chemistry/Materials Chemistry, University of Vienna, Vienna, AustriaDajian LiKarlsruher Institut für Technologie, Institut für Angewandte Materialien, Karlsruhe, GermanyDamian M. CupidKarlsruher Institut für Technologie, Institut für Angewandte Materialien, Karlsruhe, GermanyHans FlandorferInstitute of Inorganic Chemistry/Materials Chemistry, University of Vienna, Vienna, Austria

2012en

ABI

Annotatsiya

Phase diagram investigation of the Cu–Sn system was carried out on twenty Cu-rich samples by thermal analysis (DTA), metallographic methods (EPMA/SEM-EDX) and crystallographic analysis (powder XRD, high temperature powder XRD). One main issue in this work was to investigate the high temperature phases beta (W-type) and gamma (BiF3-type) and to check the phase relations between them. In the high temperature powder XRD experiments the presence of the two-phase-field between the beta- and the gamma-phase could not be confirmed. Detailed study of primary literature together with our experimental results leads to a new phase diagram version with a higher order transformation between these two high temperature phases. The present work is designated as part I of our joint publication. The new findings described here have been included into a completely new thermodynamic assessment of the Cu–Sn phase diagram which is presented in part II.

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DOI: 10.1016/j.intermet.2012.10.004

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