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    Stagnation zone during the turning of Duplex SAF 2205 stainless steels alloy

    251387.pdf (979.8Kb)
    Access Status
    Open access
    Authors
    Nomani, J.
    Pramanik, Alokesh
    Hilditch, T.
    Littlefair, G.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Nomani, J. and Pramanik, A. and Hilditch, T. and Littlefair, G. 2017. Stagnation zone during the turning of Duplex SAF 2205 stainless steels alloy. Materials and Manufacturing Processes. 32 (13): pp. 1486-1489.
    Source Title
    Materials and Manufacturing Processes
    DOI
    10.1080/10426914.2017.1279289
    ISSN
    1042-6914
    School
    Department of Mechanical Engineering
    Remarks

    This is an Author's Original Manuscript of an article published by Taylor & Francis in Journal of Materials and Manufacturing Processes on 8/02/2017 available online at http://www.tandfonline.com/10.1080/10426914.2017.1279289

    URI
    http://hdl.handle.net/20.500.11937/52105
    Collection
    • Curtin Research Publications
    Abstract

    Duplex stainless alloys are extremely sensitive to cutting speed for strain hardening during machining. Tool wear for these materials is dominated by the adhesion wear because of formation of built-up edge (BUE) that upsurges the flank wear considerably. In addition, flute damage is a significant problem during drilling of those alloys. To address this issue, this paper investigates the mechanism of BUE creation in stagnation region of duplex SAF 2205 alloys during material removal by turning process. The investigation of chip root through SEM and electron backscatter diffraction (EBSD) revealed build-up of ferritic bands at the stagnation zone. Higher capacity of austenite phase to deform plastically is accountable for the ferrite build-up. This was detected as a possible activating mechanism of built-up edge. The flow pattern of austenite phase designates faster deforming compare to that of ferrite phases.

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