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Isothermal Section of the Al-Pd-Co Phase Diagram at 850 °C Delimited by Homogeneity Ranges of Phases Epsilon, U, and F

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Abstract

Eight alloys with metal compositions (at.%) ranging between (68-76)Al, (9-25)Pd and (5-20)Co were investigated after annealing at 850 °C for 500 h. In the investigation, the scanning electron microscopy including energy dispersive x-ray spectroscopy and the x-ray diffraction were used. In the investigated alloys, various combinations of phases β, U, F, ε6, ε16, ε28, δ, Al5Co2, and Al9Co2 were identified. Partial isothermal section at 850 °C of the Al-Pd-Co phase diagram was proposed, containing homogeneity ranges of six phases (εn, U, F, β, δ, and Al5Co2).

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Acknowledgments

The authors wish to thank to the European Regional Development Fund (ERDF) for financial support of the project ITMS:26220120014 “Center for development and application of advanced diagnostic methods in processing of metallic and non-metallic materials” funded within the Research & Development Operational Programme, to the Grant Agency VEGA for the financial support under contract 1/0018/15, and to the Slovak Research and Development Agency for the financial support under contract APVV-0076-11.

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Authors and Affiliations

  1. Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava, Paulínska 16, 917 24, Trnava, Slovak Republic

    Ivona Černičková, Libor Ďuriška & Pavol Priputen

  2. Institute of Physics, Slovak Academy of Sciences, Dúbravská 9, 845 11, Bratislava, Slovak Republic

    Dušan Janičkovič

  3. Slovak University of Technology in Bratislava, Vazovova 5, 812 43, Bratislava, Slovak Republic

    Jozef Janovec

Authors
  1. Ivona Černičková
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  2. Libor Ďuriška
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  3. Pavol Priputen
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  4. Dušan Janičkovič
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  5. Jozef Janovec
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Correspondence to Ivona Černičková.

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Černičková, I., Ďuriška, L., Priputen, P. et al. Isothermal Section of the Al-Pd-Co Phase Diagram at 850 °C Delimited by Homogeneity Ranges of Phases Epsilon, U, and F. J. Phase Equilib. Diffus. 37, 301–307 (2016). https://doi.org/10.1007/s11669-016-0456-0

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  • DOI: https://doi.org/10.1007/s11669-016-0456-0

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