Investigation of nitrided 304L stainless steel coatings by positron annihilation spectroscopy

J. De Baerdemaeker, Julie Colaux, Guy Terwagne, C. Dauwe

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    Résumé

    Nitrided 304L stainless-steel coatings were deposited on low carbon steel substrates by dc-magnetron sputtering in a reactive atmosphere of argon and nitrogen. The nitrogen partial mass flow (pN2) was varied linearly from 0% to 100% resulting in a nitriding of the stainless-steel coatings with nitrogen concentrations up to 46 at%. Positron annihilation spectroscopy is used to characterize the defect structure of the coatings. The remarkable evolution of the defect structure with increasing pN2 is discussed.
    langue originaleAnglais
    Pages (de - à)605-608
    Nombre de pages4
    journalRadiation Physics and Chemistry
    Volume68
    Etat de la publicationPublié - 2003

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