Abstract:In this paper, the effect of strain hardening on the elastic-plastic contact of steel sheets is considered using experiments. The effect of normal load and the effect of prestrain of the sheets on the change of surface roughness parameter values and real area of contact are analysed. Continuous indentation tests were performed on 2 mm thick DC04 steel sheets. The mechanical properties of the sheet metal were determined using uniaxial tensile tests along three directions concerning the rolling direction. Two cy… Show more
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