Paper Title:
A Cyclic Softening Plastic Model of Carbon Steel 45 under Uniaxial Cyclic Straining
  Abstract

Based on the characteristic of cyclic softening of the quenched and tempered Carbon steel 45, a cyclic plastic constitutive model was proposed to describe the cyclic behavior under symmetrical and unsymmetrical strain cycling with different strain amplitudes. In this model, the phenomenon of the decrease of the up yield limit stress with the increase of strain in the initial 1/4 cycle was taken into account. The proposed evolution equations of the yield size and backstress can simulate the cycling softening under symmetrical and unsymmetrical strain cycling well. The results indicated that either the simulated shape of the cyclic softening hysteresis loops or the evolution of stress amplitude with the increase of the cyclic number during the low cycle fatigue coincides with the experimental ones very well.

  Info
Periodical
Advanced Materials Research (Volumes 343-344)
Chapter
Session 1: Materials for Environmental Protection and Energy Application
Edited by
David Wang
Pages
85-91
DOI
10.4028/www.scientific.net/AMR.343-344.85
Citation
Y. Luo, "A Cyclic Softening Plastic Model of Carbon Steel 45 under Uniaxial Cyclic Straining", Advanced Materials Research, Vols. 343-344, pp. 85-91, 2012
Online since
September 2011
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Price
$32.00
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