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57Fe conversion electron Mössbauer study of oxidized iron-nickel alloy pins

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Abstract

Iron-nickel alloy pins were pretreated at 700°C and 500°C for 30 min in H2, and additionally heat-treated at 600°C for 30 min in N2 atmosphere, respectively. The oxide layers of these samples were compared with that of a non-preheated sample. Thin iron oxide layers on all samples were observed by scanning electron microscopy (SEM), X-ray diffraction (XRD) and 57Fe conversion electron Mössbauer (CEM) spectrometry. The iron products of Fe3O4 and γ-Fe2O3 were determined among various heated samples.

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Authors and Affiliations

  1. Department of Engineering, NEOMAX KAGOSHIMA Co., Ltd, 50-8, Midori-machi, Izumi City, Kagoshima, 899-0201, Japan

    Junko Nishimura

  2. Department of Applied Chemistry, School of Engineering, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8656, Japan

    Kiyoshi Nomura

Authors
  1. Junko Nishimura
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  2. Kiyoshi Nomura
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Correspondence to Junko Nishimura.

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Nishimura, J., Nomura, K. 57Fe conversion electron Mössbauer study of oxidized iron-nickel alloy pins. Hyperfine Interact 207, 19–23 (2012). https://doi.org/10.1007/s10751-011-0472-8

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  • DOI: https://doi.org/10.1007/s10751-011-0472-8

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