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Mössbauer study of corrosion products formed on Fe80B20 and Fe40Ni40(MoB)20 amorphous alloys in an SO2-polluted atmosphere

  • Surface Phenomena, Catalysis, Corrosion
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Abstract

ICEMS, XPS, XRD, and AES have been used to study the corrosion layers formed on two metallic glasses, Fe80B20 and Fe40Ni40(MoB)20 (2605 and 2826 MB, Allied Company), exposed to an SO2-polluted humid atmosphere. The iron-containing corrosion products are the same found for pure iron in the same environment, but different relative concentrations were clearly evidenced by ICEMS results. Elemental sulphur, Ni(OH)2, and B(OH)3, the latter enriched at the surface, were found by XPS, XRD, and AES.

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Authors and Affiliations

  1. Instituto de Química Física “Rocasolano”, CSIC, Madrid, Spain

    J. Dávalos, J. F. Marco, M. Gracia & J. R. Gancedo

  2. Laboratoire de Spectrométrie Mössbauer, Université du Maine, 72017, Le Mans, France

    J. M. Greneche

Authors
  1. J. Dávalos
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  2. J. F. Marco
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  3. M. Gracia
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  4. J. R. Gancedo
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  5. J. M. Greneche
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Dávalos, J., Marco, J.F., Gracia, M. et al. Mössbauer study of corrosion products formed on Fe80B20 and Fe40Ni40(MoB)20 amorphous alloys in an SO2-polluted atmosphere. Hyperfine Interact 57, 1809–1814 (1990). https://doi.org/10.1007/BF02405726

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