Kinetics of Microstructure Evolution during Gaseous Thermochemical Surface Treatment

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    Abstract

    The incorporation of nitrogen or carbon in steel is widely applied to provide major improvements in materials performance with respect to fatigue, wear, tribology and atmospheric corrosion. These improvements rely on a modification of the surface adjacent region of the material, by the (internal) precipitation of alloying element nitrides/carbides or by the development of a continuous layer of iron-based (carbo-) nitrides. The evolution of the microstructure during thermochemical treatments is not only determined by solid state diffusion, but in many cases also by the kinetics of the surface reactions and the interplay with mechanical stress. In the present article a few examples, covering research on the interaction of carbon and/or nitrogen with iron-based metals, are included to illustrate the various aspects of gas-metal interactions.
    Original languageEnglish
    Title of host publicationFirst International Conference on Diffusion in SOlids and Liquids
    EditorsAnreas Ôchsner, José Grácio, Frederic Barlat
    Publication date2005
    Publication statusPublished - 2005
    EventFirst International Conference on Diffusion in Solids and Liquids - University of Aveiro, Aveiro, Portugal
    Duration: 6 Jul 20058 Jul 2005
    Conference number: 1

    Conference

    ConferenceFirst International Conference on Diffusion in Solids and Liquids
    Number1
    LocationUniversity of Aveiro
    CountryPortugal
    CityAveiro
    Period06/07/200508/07/2005

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