Annealing behavior of FeNi alloy processed by high-pressure torsion

Seungwon Lee, Zenji Horita

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Citations (Scopus)

    Abstract

    An Fe-50at %Ni alloy was processed by high-pressure torsion (HPT) and annealed at lower homologous temperatures. Vickers microhardness and microstructural evolutions were examined with respect to the annealing time. Disks with 10 mm diameters having 0.85 mm thicknesses were subjected to HPT under a pressure of 6 GPa for 1-10 revolutions at a rotation speed of 1 rpm. The annealing after the HPT processing was conducted at homologous temperatures of ∼0.3 for up to 40 days. The hardness increases with straining and saturates to a constant level of ∼400 Hv at large equivalent strain. Microstructure analysis using XRD revealed that there was a peak corresponding to an α (Fe, Ni) phase.

    Original languageEnglish
    Title of host publicationNanomaterials by Severe Plastic Deformation, NanoSPD5
    Pages313-318
    Number of pages6
    Volume667-669
    DOIs
    Publication statusPublished - 2011
    Event5th International Conference on Nanomaterials by Severe Plastic Deformation, NanoSPD5 - Nanjing, China
    Duration: Mar 21 2011Mar 25 2011

    Publication series

    NameMaterials Science Forum
    Volume667-669
    ISSN (Print)02555476

    Other

    Other5th International Conference on Nanomaterials by Severe Plastic Deformation, NanoSPD5
    Country/TerritoryChina
    CityNanjing
    Period3/21/113/25/11

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanical Engineering
    • Mechanics of Materials

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