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Phase transformations induced by implantation of12C− ions into α-Fe and AISI 304 and 316 stainless steels studied by CEMS and SEM

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Abstract

Samples of AISI 304 and 316 stainless steels, initially in austenitic (first set) and martensitic states (second set) and α-Fe (third set), were implanted with 180 keV12C− to a dose of 1017 atoms/cm2 at room temperature. Surfaces were examined by SEM (scanning electron microscopy) and the crystalline-phase fractions were estimated through CEMS (conversion electron Mössbauer spectroscopy). Different grades of etching were produced by sputtering during the implantations on the stainless steel samples depending on the previous crystallographic states. CEMS data reveal the γ → α′ transformation in the initially martensitic samples and no noticeable modifications as a result of the implantation on α-Fe and austenitic samples.

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Authors and Affiliations

  1. CONICET, Departamento de Materiales CAC, Comisión Nacional de Energía Atómica, Av. del Libertador 8250, 1429, Buenos Aires, Argentina

    E. D. Cabanillas

  2. Departamento de Física, TANDAR, Comisión Nacional de Energía Atómica, Av. del Libertador 8250, 1429, Buenos Aires, Argentina

    A. Filevich

  3. Departamento de Física, Universidad Nacional de La Plata, CC67, 1900, La Plata, Argentina

    R. C. Mercader

Authors
  1. E. D. Cabanillas
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  2. A. Filevich
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  3. R. C. Mercader
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Cabanillas, E.D., Filevich, A. & Mercader, R.C. Phase transformations induced by implantation of12C− ions into α-Fe and AISI 304 and 316 stainless steels studied by CEMS and SEM. Hyperfine Interact 83, 223–230 (1994). https://doi.org/10.1007/BF02074276

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  • DOI: https://doi.org/10.1007/BF02074276

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