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In Situ Characterization at High Temperature of VDM Alloy 780 Premium to Determine Solvus Temperatures and Phase Transformations Using Neutron Diffraction and Small-Angle Neutron Scattering

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Characterization of Minerals, Metals, and Materials 2019

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

New Ni-based superalloy VDM 780 Premium has been developed for higher service temperatures than the alloy 718. This paper describes the properties of this alloy by means of in situ neutron diffraction (ND) and in situ small-angle neutron scattering (SANS) measurements supported by scanning electron microscopy (SEM ) images. ND experiments show the phases present in the alloy and their evolution with temperature, which allow us to derive their respective solvus temperatures and the misfit between the hardening phase and the matrix and its change with temperature.

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Acknowledgements

Financial support of this work via the BMBF Project 05K16WO2 is kindly acknowledged.

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Authors and Affiliations

  1. Heinz Maier-Leibnitz Zentrum (MLZ), TU München, Lichtenbergstr. 1, 85748, Garching, Germany

    C. Solís, J. Munke, M. Hofmann, S. Mühlbauer & R. Gilles

  2. Institut für Werkstoffe (ifW), Technische Universität Braunschweig, 38106, Braunschweig, Germany

    M. Bergner & J. Rösler

  3. VDM Metals International GmbH, Kleffstraße 23, 58762, Altena, Germany

    B. Gehrmann

Authors
  1. C. Solís
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  2. J. Munke
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  3. M. Hofmann
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  4. S. Mühlbauer
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  5. M. Bergner
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  6. B. Gehrmann
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  7. J. Rösler
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  8. R. Gilles
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Corresponding author

Correspondence to C. Solís .

Editor information

Editors and Affiliations

  1. Michigan Technological University, Houghton, MI, USA

    Bowen Li

  2. CanmetMATERIALS, Hamilton, ON, Canada

    Jian Li

  3. Al-Isra University, Amman, Jordan

    Shadia Ikhmayies

  4. ArcelorMittal Global R&D, East Chicago, IN, USA

    Mingming Zhang

  5. Middle East Technical University, Ankara, Turkey

    Yunus Eren Kalay

  6. Los Alamos National Laboratory, Los Alamos, NM, USA

    John S. Carpenter

  7. Michigan Technological University, Houghton, MI, USA

    Jiann-Yang Hwang

  8. Military Institute of Engineering, Rio de Janeiro, Brazil

    Sergio Neves Monteiro

  9. Chongqing University, Chongqing, China

    Chenguang Bai

  10. UNSW Canberra, Campbell, ACT, Australia

    Juan P. Escobedo-Diaz

  11. Free University of Bozen-Bolzano, Bolzano, Italy

    Pasquale Russo Spena

  12. Naval Research Laboratory, Washington, DC, USA

    Ramasis Goswami

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Solís, C. et al. (2019). In Situ Characterization at High Temperature of VDM Alloy 780 Premium to Determine Solvus Temperatures and Phase Transformations Using Neutron Diffraction and Small-Angle Neutron Scattering. In: Li, B., et al. Characterization of Minerals, Metals, and Materials 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05749-7_3

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