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Atom probe tomographic study of L10 martensite in a Pt-modified NiCoCrAlYTa bond coating

Tan, Xipeng and Perrin-Pellegrino, Carine and Hoummada, Khalid and Mangelinck, Dominique and Vande Put, Aurélie and Lafont, Marie-Christine and Oquab, Djar and Monceau, Daniel Atom probe tomographic study of L10 martensite in a Pt-modified NiCoCrAlYTa bond coating. (2013) Corrosion Science, 76. 1-5. ISSN 0010-938X

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Official URL: https://doi.org/10.1016/j.corsci.2013.07.041

Abstract

The L10 martensite formed in a Pt-modified NiCoCrAlYTa bond coating has been investigated by atom probe tomography. It was found that obvious segregation of Co and Cr occurred in the micro-twins zone inside the martensite lath. Based upon the compositional analysis, it is known that Pt destabilizes the β phase and Co and Cr act as β stabilizers with respect to the β→L10 martensitic transformation. In addition, some α-Cr particles precipitated inside the martensite lath.

Item Type:Article
HAL Id:hal-02141642
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Aix-Marseille Université - AMU (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université du Sud Toulon-Var - USTV (FRANCE)
Laboratory name:
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Deposited By: Yves MOMBOISSE
Deposited On:28 May 2019 07:30

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