Characterization of yield criteria for zinc coated steel sheets using nano-indentation with knoop indenter

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    An indentation based method to characterize the yield locus for steel sheets is developed and implemented. Knoop hardness based indentation experiments have been performed on the surface as well as on the cross sections of an uncoated steel sheet to obtain the corresponding yield locus in the deviatoric and plane-stress situation. Stress ratios following the indenter's geometry are used to plot the yield locus from indentation data. The stress ratios have been corrected for the anisotropy of the material by an optimization algorithm. Points are then plotted in the plane-stress plane using the corrected stress ratios, the strain increment vectors and indentation hardness data. The parameters for the Hill's quadratic yield criteria are obtained from the indentation data based on a curve fitted yield locus. The results obtained using nano-indentation have been compared with those obtained from the standard characterization tests for steel sheet and shown to have good agreement. The method is also applied to the yield locus characterization of zinc coatings on steel sheet for multi-scale modelling of friction in deep drawing.

    Original languageEnglish
    Article number125110
    JournalSurface and coatings technology
    DOIs
    Publication statusE-pub ahead of print/First online - 5 Nov 2019

    Fingerprint

    Nanoindentation
    Steel sheet
    nanoindentation
    Indentation
    loci
    Zinc
    indentation
    zinc
    steels
    stress ratio
    plane stress
    Hardness
    Zinc coatings
    Knoop hardness
    Deep drawing
    deep drawing
    zinc coatings
    Anisotropy
    Friction
    friction

    Keywords

    • Anisotropy
    • Galvanized steel
    • Knoop indentation
    • Yield locus
    • Zinc coating

    Cite this

    @article{1d8cecbbfca648f09ddcc17959197887,
    title = "Characterization of yield criteria for zinc coated steel sheets using nano-indentation with knoop indenter",
    abstract = "An indentation based method to characterize the yield locus for steel sheets is developed and implemented. Knoop hardness based indentation experiments have been performed on the surface as well as on the cross sections of an uncoated steel sheet to obtain the corresponding yield locus in the deviatoric and plane-stress situation. Stress ratios following the indenter's geometry are used to plot the yield locus from indentation data. The stress ratios have been corrected for the anisotropy of the material by an optimization algorithm. Points are then plotted in the plane-stress plane using the corrected stress ratios, the strain increment vectors and indentation hardness data. The parameters for the Hill's quadratic yield criteria are obtained from the indentation data based on a curve fitted yield locus. The results obtained using nano-indentation have been compared with those obtained from the standard characterization tests for steel sheet and shown to have good agreement. The method is also applied to the yield locus characterization of zinc coatings on steel sheet for multi-scale modelling of friction in deep drawing.",
    keywords = "Anisotropy, Galvanized steel, Knoop indentation, Yield locus, Zinc coating",
    author = "Tanmaya Mishra and {de Rooij}, Matthijn and Meghshyam Shisode and Javad Hazrati and Schipper, {Dirk J.}",
    year = "2019",
    month = "11",
    day = "5",
    doi = "10.1016/j.surfcoat.2019.125110",
    language = "English",
    journal = "Surface and coatings technology",
    issn = "0257-8972",
    publisher = "Elsevier",

    }

    TY - JOUR

    T1 - Characterization of yield criteria for zinc coated steel sheets using nano-indentation with knoop indenter

    AU - Mishra, Tanmaya

    AU - de Rooij, Matthijn

    AU - Shisode, Meghshyam

    AU - Hazrati, Javad

    AU - Schipper, Dirk J.

    PY - 2019/11/5

    Y1 - 2019/11/5

    N2 - An indentation based method to characterize the yield locus for steel sheets is developed and implemented. Knoop hardness based indentation experiments have been performed on the surface as well as on the cross sections of an uncoated steel sheet to obtain the corresponding yield locus in the deviatoric and plane-stress situation. Stress ratios following the indenter's geometry are used to plot the yield locus from indentation data. The stress ratios have been corrected for the anisotropy of the material by an optimization algorithm. Points are then plotted in the plane-stress plane using the corrected stress ratios, the strain increment vectors and indentation hardness data. The parameters for the Hill's quadratic yield criteria are obtained from the indentation data based on a curve fitted yield locus. The results obtained using nano-indentation have been compared with those obtained from the standard characterization tests for steel sheet and shown to have good agreement. The method is also applied to the yield locus characterization of zinc coatings on steel sheet for multi-scale modelling of friction in deep drawing.

    AB - An indentation based method to characterize the yield locus for steel sheets is developed and implemented. Knoop hardness based indentation experiments have been performed on the surface as well as on the cross sections of an uncoated steel sheet to obtain the corresponding yield locus in the deviatoric and plane-stress situation. Stress ratios following the indenter's geometry are used to plot the yield locus from indentation data. The stress ratios have been corrected for the anisotropy of the material by an optimization algorithm. Points are then plotted in the plane-stress plane using the corrected stress ratios, the strain increment vectors and indentation hardness data. The parameters for the Hill's quadratic yield criteria are obtained from the indentation data based on a curve fitted yield locus. The results obtained using nano-indentation have been compared with those obtained from the standard characterization tests for steel sheet and shown to have good agreement. The method is also applied to the yield locus characterization of zinc coatings on steel sheet for multi-scale modelling of friction in deep drawing.

    KW - Anisotropy

    KW - Galvanized steel

    KW - Knoop indentation

    KW - Yield locus

    KW - Zinc coating

    UR - http://www.scopus.com/inward/record.url?scp=85075343400&partnerID=8YFLogxK

    U2 - 10.1016/j.surfcoat.2019.125110

    DO - 10.1016/j.surfcoat.2019.125110

    M3 - Article

    AN - SCOPUS:85075343400

    JO - Surface and coatings technology

    JF - Surface and coatings technology

    SN - 0257-8972

    M1 - 125110

    ER -