An intermetallic forming steel under radiation for nuclear applications

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The formation and stability of intermetallics formed in the Co-free maraging steel PH 13-8 under proton irradiation were investigated by using nanoindentation and microcompression testing and 3D atom probe tomography. Major findings were: - the Co-free maraging steel forms stages of decompostition under proton irradiation at room temperature. - Already formed precipitates do not change shape or size but they do change chemistry under room temperature proton irradiation. - Intermetallics appear to be a promising approach to further increase the radiation resistance of martesitic steels.


Original languageEnglish
Pages (from-to)361-368
JournalJournal of Nuclear Materials
Issue number03
Publication statusPublished - Mar 2015


  • PH 13-8, Atom Probe, Maraging steel, Nanoindentation, Microcompression, Proton irradiation

ID: 193485