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CEMS investigation of near surface structure

  • Surface Phenomena, Catalysis, Corrosion
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Abstract

Conversion Electron Mössbauer Spectroscopy (CEMS) studies are reported for as-cut and laser melted surfaces of single phase crystalline Fe2Y, Fe23Y6, Fe2Zr, Fe2B and FeB ingots. Disorder and the appearance of a new phase with a low value of the room temperature hyperfine field was observed for the Fe−Y and Fe2Zr ingots even on the as-cut surfaces due to the mechanical processing. In case of these ingots surface melting by ns laser pulses resulted in the formation of amorphous alloys. In case of the Fe−B ingots the formation of amorphous phase by laser melting was observed for Fe2B only, while in case of FeB the low temperature α-FeB modification appeared both, for mechanical processing and laser melting.

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Authors and Affiliations

  1. Central Research Institute for Physics, P.O.B. 49, H-1525, Budapest, Hungary

    Cs. Fetzer, L. Gránásy, T. Kemény & I. Vincze

Authors
  1. Cs. Fetzer
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  2. L. Gránásy
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  3. T. Kemény
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  4. I. Vincze
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Fetzer, C., Gránásy, L., Kemény, T. et al. CEMS investigation of near surface structure. Hyperfine Interact 57, 1823–1827 (1990). https://doi.org/10.1007/BF02405728

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  • DOI: https://doi.org/10.1007/BF02405728

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