Mathematical Model For Modelling The Cyclic Hardeninglsoftening Transient
Response Of Metallic Materials
Author(s)
H. Nie
Abstract
Mathematical model for modelling the cyclic
hardeninglsoftening transient response of
metallic materials
H. Nie
Department of Aircraft Engineering,
Nanjing University of Aeronautics and Astronautics, P. R. China
Abstract
A mathematical model for modelling the cyclic hardeninglsoftening transient
response of metallic materials is presented in this paper. The variation of stress
amplitude in the stress-strain response (by strain control) is quantitatively
analysed. A corresponding equation for modelling the variation of the stress
amplitude is given. The model demonstrates that the variation of the stress
amplitude deals with not only the material properties and the reversal number of
material deformation into the plastic range, but also the strain amplitude.
Comparing with experimental results, the model presented in this paper is better
than the other models. Moreover the model has no need of any experimental
parameters such as the cyclic hardeninglsoftening coefficient fitted by a lot of
exp
Keywords
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