Numerical modeling of cyclic strengthening and weaking of material

Waldemar Dudda

doi:10.1117/12.726762

10 April 2007 Numerical modeling of cyclic strengthening and weaking of material

Waldemar Dudda

Proceedings Volume 6597, Nanodesign, Technology, and Computer Simulations; 65970Z (2007) https://doi.org/10.1117/12.726762
Event: Nanodesign, Technology, and Computer Simulations, 2006, Olsztyn, Poland

Abstract

The study concerns analytical and numerical tools for description of strengthening and weakening effects of materials put under influence of cyclic mechanical loads. The paper presents formulas describing the change in material mechanical properties such as the yield point and strain hardening modulus depending on the number of load cycles and stress ratio. Numerical simulations for cases based on experimental studies presented in the existing literature were conducted. The results of numerical calculations and their comparison with the experimental data are presented in the form of stress-strain hysteresis loop graphs.

Citation Download Citation

Waldemar Dudda "Numerical modeling of cyclic strengthening and weaking of material", Proc. SPIE 6597, Nanodesign, Technology, and Computer Simulations, 65970Z (10 April 2007); https://doi.org/10.1117/12.726762

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