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A high-strength silicide phase in a stainless steel alloy designed for wear-resistant applications

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    0502122 - FZÚ 2019 RIV GB eng J - Journal Article
    Bowden, D. - Krysiak, Y. - Palatinus, Lukáš - Tsivoulas, D. - Plana-Ruiz, S. - Sarakinou, E. - Kolb, U. - Stewart, D. - Preuss, M.
    A high-strength silicide phase in a stainless steel alloy designed for wear-resistant applications.
    Nature Communications. Roč. 9, č. 1 (2018), s. 1-10, č. článku 1374. E-ISSN 2041-1723
    Institutional support: RVO:68378271
    Keywords : electron-diffraction tomography * Hardfacing alloys * crystal structure * silicide phase
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    Impact factor: 11.878, year: 2018

    Hardfacing alloys provide strong, wear-resistant and corrosion-resistant coatings for extreme environments such as those within nuclear reactors. Here, we report an ultra-high-strength Fe–Cr–Ni silicide phase, named π-ferrosilicide, within a hardfacing Fe-based alloy. Electron diffraction tomography has allowed the determination of the atomic structure of this phase. Such a high-strength silicide phase could not only provide a new type of strong, wear-resistant and corrosion-resistant Fe-based coating, replacing more costly and hazardous Co-based alloys for nuclear applications, but also lea d to the development of a new class of high-performance silicide-strengthened stainless steels.

    Permanent Link: http://hdl.handle.net/11104/0294083

     
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