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Interrupted heating DTA for liquidus temperature determination of Ag–Cd–In alloys

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Abstract

An Ag–Cd–In alloy is used as the control rod material in most pressurized water reactors. Despite this important application, the phase diagram of the Ag–Cd–In ternary system remains largely unknown especially the phase equilibria involving the liquid phase in the Cd- and In-rich regions. In this work, the 60 at.% In isopleth section is investigated by differential thermal analysis (DTA). The results of the classical protocol at constant heating and cooling rates are compared with those obtained using an interrupted heating DTA (IHDTA) method. It is shown that this last protocol allows to strongly reduce the uncertainty on the liquidus temperature determination.

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Acknowledgements

The authors wish to thank the GDR CNRS No. 3584 TherMatHT where fruitful discussions started and led to collaborations on the present project and particularly with M. Lomello-Tafin of the SYMME Laboratory, Université de Savoie (France).

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Authors and Affiliations

  1. Institut de Radioprotection et de Sûreté Nucléaire PSN-RES, SAG, LETR, 13115, Saint Paul lez Durance Cedex, France

    Kasi Gajavalli, Marc Barrachin & Alexandre Decreton

  2. Aix Marseille Univ, Université de Toulon, CNRS, IM2NP, Marseille, France

    Georges Mikaelian, Jacques Rogez & Pierre Benigni

  3. Université Grenoble Alpes, SIMAP, CMTC, 38000, Grenoble, France

    Evelyne Fischer

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  1. Kasi Gajavalli
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  2. Georges Mikaelian
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  3. Marc Barrachin
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  4. Alexandre Decreton
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  5. Evelyne Fischer
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  6. Jacques Rogez
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  7. Pierre Benigni
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Correspondence to Kasi Gajavalli.

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Gajavalli, K., Mikaelian, G., Barrachin, M. et al. Interrupted heating DTA for liquidus temperature determination of Ag–Cd–In alloys. J Therm Anal Calorim 135, 2209–2219 (2019). https://doi.org/10.1007/s10973-018-7442-1

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  • DOI: https://doi.org/10.1007/s10973-018-7442-1

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