The processing of ultrafine-grained materials using high-pressure torsion

Cheng Xu, Zenji Horita, Terence G. Langdon

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

    1 Citation (Scopus)

    Abstract

    It is now well-established that processing through the application of severe plastic deformation (SPD) leads to a significant reduction in the grain size of a wide range of metallic materials. This paper examines the fabrication of ultrafine-grained materials using high-pressure torsion (HPT) where this process is attractive because it leads to exceptional grain refinement with grain sizes that often lie in the nanometer or submicrometer ranges. Two aspects of HPT are examined. First, processing by HPT is usually confined to samples in the form of very thin disks but recent experiments demonstrate the potential for extending HPT also to bulk samples. Second, since the strains imposed in HPT vary with the distance from the center of the disk, it is important to examine the development of inhomogeneities in disk samples processed by HPT.

    Original languageEnglish
    Title of host publicationRecrystallization and Grain Growth III - Proceedings of the Third International Conference on Recrystallization and Grain Growth, ReX and GG III
    PublisherTrans Tech Publications Ltd
    Pages1283-1294
    Number of pages12
    EditionPART 2
    ISBN (Print)087849443X, 9780878494439
    DOIs
    Publication statusPublished - Jan 1 2007
    Event3rd International Conference on Recrystallization and Grain Growth, ReX GG III - Jeju Island, Korea, Republic of
    Duration: Jun 10 2007Jun 15 2007

    Publication series

    NameMaterials Science Forum
    NumberPART 2
    Volume558-559
    ISSN (Print)0255-5476

    Other

    Other3rd International Conference on Recrystallization and Grain Growth, ReX GG III
    Country/TerritoryKorea, Republic of
    CityJeju Island
    Period6/10/076/15/07

    All Science Journal Classification (ASJC) codes

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

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