Nanoscale lamellae in an oxide dispersion strengthened steel processed by dynamic plastic deformation

Zhenbo Zhang, Oleg Mishin, N. R. Tao, Wolfgang Pantleon

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    Abstract

    The microstructure of an oxide dispersion strengthened ferritic PM2000 steel with a strong initial (100) texture has been investigated after compression by dynamic plastic deformation (DPD) at room temperature to a strain of 2.1. Measurements using electron backscatter diffraction and transmission electron microscopy indicate that DPD along the (100) direction results in a lamellar-type microstructure, in which lamellae of the (100) orientation alternate with (111) lamellae. These lamellae have a common rotation (110) axis in the compression plane. The microstructure is quite heterogeneous, where regions containing very narrow lamellae (with (111) lamellae as narrow as 20-40 nm) and regions of comparatively broad lamellae are found.
    Original languageEnglish
    JournalI O P Conference Series: Materials Science and Engineering
    Volume63
    Pages (from-to)012065
    Number of pages5
    ISSN1757-8981
    Publication statusPublished - 2014
    Event6th International Conference on Nanomaterials by Severe Plastic Deformation - Metz, France
    Duration: 30 Jun 20144 Jul 2014
    Conference number: 6
    http://www.nanospd6.com/

    Conference

    Conference6th International Conference on Nanomaterials by Severe Plastic Deformation
    Number6
    Country/TerritoryFrance
    CityMetz
    Period30/06/201404/07/2014
    Internet address

    Bibliographical note

    Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd.

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