Topic
Ramberg–Osgood relationship.
non linear relationship between stress and strain—that is, the stress–strain curve
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About Ramberg–Osgood relationship
The Ramberg–Osgood equation was created to describe the nonlinear relationship between stress and strain—that is, the stress–strain curve—in materials near their yield points. It is especially applicable to metals that harden with plastic deformation, showing a smooth elastic-plastic transition. As it is a phenomenological model, checking the fit of the model with actual experimental data for the particular material of interest is essential.
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