Abstract
Finite element (FE) simulations are widely used to design sheet metal forming processes. Flow curves and forming limit curves of the semi‐finished goods are required for these computations. Mostly flow curves are obtained by conversions of stress‐strain caracteristics from uniaxial tensile tests. In these calculations, uniform strain and stress within the gauge length is postulated until reaching elongation without necking. This precondition is true only if specimens remain homogenous during the test procedure. Effects from dissipated mechanical energy and heat flow on the results of uniaxial tensile tests were examined with specimen made of austenitic stainless steels with practical experiments and FE simulations.
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