A contribution to the Al–Ir phase diagram

The Al–Ir phase diagram was specified in the range between 65 and 90 at.% Al. We confirmed the congruent melting of the Al 2.7Ir phase, which forms a eutectic with AlIr. At higher Al concentrations four intermediate phases were found to be formed by a cascade of peritectic reactions: Al 3Ir at 1466...

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Veröffentlicht in:	Intermetallics 2008-06, Vol.16 (6), p.801-806
Hauptverfasser:	Pavlyuchkov, D., Grushko, B., Velikanova, T. Ya
Format:	Artikel
Sprache:	eng
Schlagworte:	B. Phase diagrams F. Diffraction (electron, neutron and X-ray) F. Electron microprobe F. Electron microscopy, scanning
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The Al–Ir phase diagram was specified in the range between 65 and 90 at.% Al. We confirmed the congruent melting of the Al 2.7Ir phase, which forms a eutectic with AlIr. At higher Al concentrations four intermediate phases were found to be formed by a cascade of peritectic reactions: Al 3Ir at 1466 °C, Al 28Ir 9 at 1446 °C, Al 45Ir 13 at 993 °C and Al 9Ir 2 at 877 °C. Their structures reported in the literature were confirmed.
ISSN:	0966-9795 1879-0216
DOI:	10.1016/j.intermet.2008.03.006