A new variant of the nonlinear kinematic hardening model is proposed which accommodates both nonlinear and linear strain hardening during initial tensile loading and reduced elastic modulus during initial load reversal. It also incorporates the Bauschinger effect, as a function of prior tensile plastic strain, during the nonlinear compressive loading phase. The model is shown to fit experimental data from a total of five candidate gun steels. The numerical fits will be employed in subsequent work to predict residual stresses and fatigue lifetimes for autofrettaged tubes manufactured from the candidate steels.
Characterization of Steels Using a Revised Kinematic Hardening Model Incorporating Bauschinger Effect
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division March 14, 2003; revision received April 23, 2003. Associate Editor: M Perl.
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Parker, A. P., Troiano, E., Underwood, J. H., and Mossey, C. (August 1, 2003). "Characterization of Steels Using a Revised Kinematic Hardening Model Incorporating Bauschinger Effect ." ASME. J. Pressure Vessel Technol. August 2003; 125(3): 277–281. https://doi.org/10.1115/1.1593071
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