Description of Closure of Cyclic Stress-Strain Loop and Ratcheting Based on Y-U Model

Fusahito Yoshida; H. Hamasaki; Takeshi Uemori

doi:10.4028/www.scientific.net/KEM.725.351

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 725Description of Closure of Cyclic Stress-Strain...

Description of Closure of Cyclic Stress-Strain Loop and Ratcheting Based on Y-U Model

Abstract:

This paper proposes a cyclic plasticity model to describe the closure of a cyclic stress-strain hysteresis loop based on the Y-U model. In this model, the backstress moves in a cyclic memory surface following a newly proposed kinematic hardening law. For this model just the same Y-U parameters can be used, and no additional material parameters are needed. By using a supplementary rule, this model is also able to describe ratcheting.

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Advances in Engineering Plasticity and its Application XIII

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Periodical:

Key Engineering Materials (Volume 725)

Pages:

351-356

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.725.351

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Online since:

December 2016

Authors:

Fusahito Yoshida*, H. Hamasaki, Takeshi Uemori

Keywords:

Closure of Cyclicstress-Strain Loop, Cyclic Plasticity, Ratcheting, Y-U Model

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