Marcel A. J. Somers (Inventor), Thomas Christiansen (Inventor), Per Møller (Inventor)

    Research output: Patent


    The invention relates to case-hardening of a stainless steel article by means of gas including carbon and/or nitrogen, whereby carbon and/or nitrogen atoms diffuse through the surface into the article. The method includes activating the surface of the article, applying a top layer on the activated surface to prevent repassivation. The top layer includes metal which is catalytic to the decomposition of the gas.
    Original languageEnglish
    Patent numberWO2004007789
    Filing date22/01/2004
    CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
    Publication statusPublished - 2004

    Bibliographical note

    International application published under the World Intellectual Property Organization (WIPO)

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