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    Volume 6, Issue 4 (August 2017)

    Special Issue Paper

    Advanced Multi-Phase Microstructure Investigation of Carbonitrided Samples

    (Received 24 June 2016; accepted 13 March 2017)

    Published Online: 25 August 2017

    CODEN: MPCACD

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    Abstract

    Modern gas-carbonitriding processes are enabling smart material properties and an extension of materials’ strength, so that the limit of use of a given alloy and component can be expanded. Recently, a rapid development of the understanding of microstructure development during carbonitriding and in-depth investigation of the microstructure by the means of electron backscatter diffraction (EBSD) was performed. The paper will show examples for the treatment of different case-hardening steels and the development of the microstructure in the final carbonitrided case. It will be shown that a multi-phase microstructure can be varied by process variations from a two-phase martensite and austenite microstructure to a multi-phase microstructure consisting of martensite, austenite, and precipitations. The kind of precipitations emerging and their specific arrangement will be discussed.

    Author Information:

    Steinbacher, Matthias
    Stiftung Institut für Werkstofftechnik (IWT), Bremen,

    Skalecki, Marian Georg
    Stiftung Institut für Werkstofftechnik (IWT), Bremen,

    Saddei, Peter
    Stiftung Institut für Werkstofftechnik (IWT), Bremen,

    Böcker, Michael
    Production Engineering, University of Bremen, Bremen,

    Zoch, Hans Werner
    Stiftung Institut für Werkstofftechnik (IWT), Bremen,


    Stock #: MPC20160089

    ISSN:2379-1365

    DOI: 10.1520/MPC20160089

    Author
    Title Advanced Multi-Phase Microstructure Investigation of Carbonitrided Samples
    Symposium ,
    Committee A01