Abstract
Knowledge of the three-dimensional stress distribution near a notch for a strain-hardening material in an elasto-plastic state is limited, to say the least. This experimental investigation is concerned with obtaining some insight concerning the three0dimensional elastoplastic stress distributions and the associated plastic-zone sizes. A notched-bar configuration (scaled-up Charpy specimen) subjected to flexure was selected for this purpose. The three-dimensional elasto-plastic stress distributions were determined along the plane of symmetry adjacent to the notch for two levels of applied bending moment.
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