STP1447

    Hardening Mechanisms in Ferritic/Martensitic Steels

    Published: Jan 2004


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    Abstract

    Reduced activation ferritic/martensitic steels are promising materials for the first wall of the future fusion reactors that will suffer irradiation damage from 14 MeV fusion neutrons. They have proven to be a good alternative to austenitic steels for their higher swelling resistance and their lower accumulation of damage. Unfortunately, most of these steels exhibit low temperature irradiation-induced hardening, which imposes a severe restriction on the reactor applications at temperatures below about 400°C. In the present paper, the irradiation-induced microstructures of a number of reduced activation ferritic/martensitic steels are reviewed in order to identify the key elements to hardening mechanisms.

    Keywords:

    ferritic/martensitic steels, hardening, radiation damage, microstructure


    Author Information:

    Baluc, N
    Senior Scientists, Centre of Research in Plasma Physics, Association EURATOM - Swiss Confederation, Fusion Technology Materials, Swiss Federal Institute of Technology - Lausanne,

    Schäublin, R
    Senior Scientists, Centre of Research in Plasma Physics, Association EURATOM - Swiss Confederation, Fusion Technology Materials, Swiss Federal Institute of Technology - Lausanne,

    Spätig, P
    Senior Scientists, Centre of Research in Plasma Physics, Association EURATOM - Swiss Confederation, Fusion Technology Materials, Swiss Federal Institute of Technology - Lausanne,

    Victoria, M
    Senior Scientists, Centre of Research in Plasma Physics, Association EURATOM - Swiss Confederation, Fusion Technology Materials, Swiss Federal Institute of Technology - Lausanne,


    Paper ID: STP11238S

    Committee/Subcommittee: E10.02

    DOI: 10.1520/STP11238S


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