Effect of Equal-Channel Angular Pressing (ECAP) on creep in aluminium alloys

V. Sklenicka, J. Dvorak, M. Kvapilova, M. Svoboda, P. Kral, I. Saxl, Z. Horita

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

    33 Citations (Scopus)

    Abstract

    This paper examines the effect of equal-channel angular pressing (ECAP) on creep behaviour of pure aluminium, binary Al-0.2wt.%Sc alloy and ternary Al-3wt.%Mg-0.2wt.%Sc alloy. The ECAP was conducted at room temperature with a die that had a 90° angle between the channels and 8 repetitive ECAP passes followed route Bc. Constant stress compression creep tests were performed at 473 K and stresses ranging between 16 to 80 MPa on ECAP materials and, for comparison purposes, on the initial coarse-grained materials. The results showed that the creep resistance of the ECAP processed Al-Sc and Al-Mg-Sc alloys was markedly deteriorated with respect to unpressed coarse-grained materials.

    Original languageEnglish
    Title of host publicationSupplement to THERMEC 2006, 5th International Conference on PROCESSING and MANUFACTURING OF ADVANCED MATERIALS, THERMEC 2006
    PublisherTrans Tech Publications Ltd
    Pages2904-2909
    Number of pages6
    EditionPART 3
    ISBN (Print)0878494286, 9780878494286
    DOIs
    Publication statusPublished - 2007
    Event5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006 - Vancouver, Canada
    Duration: Jul 4 2006Jul 8 2006

    Publication series

    NameMaterials Science Forum
    NumberPART 3
    Volume539-543
    ISSN (Print)0255-5476
    ISSN (Electronic)1662-9752

    Other

    Other5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006
    Country/TerritoryCanada
    CityVancouver
    Period7/4/067/8/06

    All Science Journal Classification (ASJC) codes

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

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