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  1. InesGomes

    Modelling plasticity of polymer material

    The red true stress strain curve was calculated by this formulas:
  2. InesGomes

    Modelling plasticity of polymer material

    Hello, I need to model the plastic behaviour of a polymer material (polypropylene). I have data from the tensile test, however I'm not sure how can I assess this curve to convert it to true stress-strain curve. Because, I know that I need to delete the data from the elastic behaviour (before the...

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