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  • Different techniques for strain analisys in metal forming processes
    Gusel, Leo, 1968- ; Rudolf, Rebeka
    Large deformation is a major deformation operation in many metal forming processes. Due to the severe and localized nature of plastic deformation it is quite difficult to study the deformation ... changes in these processes in a practical way, through the measurement of effective strain. In this paper two different techniques were used to analyze the distribution of the effective strain in cold forward extruded copper alloy: the visioplasticity method, which is used to find the complete stress and strairi distribution in the deformation zone, and the second method being micro-hardness technique. An approximation for the relation between micro-hardness and effective strain was determined by polynomial regression analysis. For determination of the impact of friction on the effective strain two different lubricants were used.
    Vir: Proceedings of the 6th International conference of DAAAM Baltic, Industrial engineering, 24-26th April 2008, Tallinn, Estonia (Knj. 2, str. 437-441)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2008
    Jezik - angleški
    COBISS.SI-ID - 12258070

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