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Physicochemical materials research : Phase relations in the Al-Ir-Os system in the range up to 70 at.% Al

Katrych, S. ; Petyukh, V. ; Bondar, A. ; Steurer, W.

In: Powder Metallurgy and Metal Ceramics, 2007, vol. 46, no. 7-8, p. 357-364

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    Titre
    • Physicochemical materials research
      Phase relations in the Al-Ir-Os system in the range up to 70 at.% Al
    Auteur
    • Katrych, S.. Laboratory for Solid State Physics, ETH, Zurich
    • Petyukh, V.. Laboratory for Solid State Physics, ETH, Zurich
    • Bondar, A.. Laboratory for Solid State Physics, ETH, Zurich
    • Steurer, W.. Laboratory for Solid State Physics, ETH, Zurich
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • Powder Metallurgy and Metal Ceramics, 2007, vol. 46, no. 7-8, p. 357-364. Springer US
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:311419
    Summary
    For alloys in the range Os-OsAl2-IrAl2.7-Ir, as-cast and annealed at 1400 °C (Os-OsAl-IrAl-Ir) and 1250°C (OsAl-OsAl2-IrAl2.7-IrAl), phase equilibria are studied by powder x-ray diffraction (PXRD), differential thermal analysis (DTA), scanning electron microscopy (SEM) and energy-dispersive x-ray spectroscopy (EDX). Between isostructural aluminides OsAl and IrAl there exists a continuous solid solution (Os,Ir)Al. Other unary and binary phases form terminal solid solutions: (Os), (Ir), (OsAl2), and (IrAl2.7)