Phenomenological modelling of cyclic plasticity

R Halama, J Sedlák, M Šofer - Numerical modelling, 2012 - books.google.com
The stress-strain behaviour of metals under a cyclic loading is very miscellaneous and
needs an individual approach for different metallic materials. There are many different …

Influence of mean stress and stress amplitude on uniaxial and biaxial ratcheting of ST52 steel and its prediction by the AbdelKarim–Ohno model

R Halama, M Fusek, Z Poruba - International Journal of Fatigue, 2016 - Elsevier
The paper presents a new type of experiment focused on investigation of the influence of
mean stress and stress amplitude on steady state ratcheting realized in ST52 steel at the …

Cyclic plasticity of additively manufactured metals

R Halama, K Kourousis, M Pagáč, Z Paška - Cyclic plasticity of metals, 2022 - Elsevier
This book chapter first explains some fundamentals of additive manufacturing of metals. The
scanning strategies and printing parameters in the framework of selective laser melting …

Implementation of MAKOC cyclic plasticity model with memory

R Halama, A Markopoulos, R Jančo… - Advances in Engineering …, 2017 - Elsevier
This paper deals with the description of implementation of the advanced cyclic plasticity
model called MAKOC, which is based on the AbdelKarim–Ohno kinematic hardening rule …

Ratcheting evaluation of pressurized straight pipe using Ahmadzadeh–Varvani hardening rule

X Chen, Y Tian, S Liu, L Lang, L Zhu - Thin-Walled Structures, 2022 - Elsevier
This study evaluates the Ahmadzadeh–Varvani (AV) hardening rule for the ratcheting
behavior of pressurized straight pipe made of austenitic stainless steel Z2CND18. 12N …

Contact defects initiation in railroad wheels–Experience, experiments and modelling

R Halama, R Fajkoš, P Matušek, P Bábková, F Fojtík… - Wear, 2011 - Elsevier
Main results of comprehensive research of rolling contact defects initiation are presented in
this contribution. Description of own experimental study has been preceded by practical …

Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending

X Chen, H Chen, L Zhao - Thin-Walled Structures, 2019 - Elsevier
The ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending is
investigated using Chaboche model in the paper. The effects of defect length, depth and …

Multiaxial ratcheting-fatigue evaluation of pressurized elbow pipe under strong cyclic loading using damage-coupled cyclic plasticity model

L Lang, X Chen, L Zhu - International Journal of Pressure Vessels and …, 2024 - Elsevier
Continuous damage mechanics (CDM) is based on the theories of continuous medium
mechanics and continuous medium thermodynamics, which considers damage is an …

[PDF][PDF] Evaluation of AF type cyclic plasticity models in ratcheting simulation of pressurized elbow pipes under reversed bending

XH Chen, BJ Gao, X Chen - Steel and Composite Structures, 2016 - researchgate.net
The ratcheting behavior was studied experimentally for Z2CND18. 12N elbow piping under
cyclic bending and steady internal pressure. Dozens of cyclic plasticity models for structural …

Multiaxial ratcheting assessment of Z2CND18. 12N steel using modified AV hardening rule

X Chen, Y Zhou, W Liu, X Zhao - Steel and Composite Structures, 2023 - koreascience.kr
Abstract Based on Ahmadzadeh-Varvani hardening rule (AV model), multiaxial ratcheting
effect of Z2CND18. 12N austenitic stainless steel is simulated by ABAQUS with user …