Damage-coupled unified constitutive modeling of 316LN stainless steel including dynamic strain aging under various tension dwell time: A macroscopic …

G Chen, C Li, M **e, B Li, Q Lin - International Journal of Plasticity, 2023 - Elsevier
A damage-coupled unified constitutive model is developed for 316LN stainless steel based
on the framework of the Abdel-Karim and Ohno model. In the modified model, a kinematic …

Investigation of creep-fatigue crack initiation by using an optimal dual-scale modelling approach

KS Li, RZ Wang, J Wang, L Xu, LQ Liu… - International Journal of …, 2023 - Elsevier
In this work, three dual-scale modelling approaches containing sub-modelling approach,
coupled modelling approach and full-field crystal plasticity finite element (CPFE) approach …

A robust life prediction model for a range of materials under creep-fatigue interaction loading conditions

T Zhang, X Wang, X **a, Y Jiang, X Zhang… - International Journal of …, 2023 - Elsevier
This paper develops a robust creep-fatigue interaction (CFI) life prediction model which is
superior to the existing methods. Specifically, the newly proposed creep damage …

Implementation of a modified Graham-Walles viscosity function within a Chaboche viscoplastic constitutive model

C Rojas-Ulloa, H Morch, V Tuninetti, L Duchêne… - … & Mathematics with …, 2024 - Elsevier
This work provides a numerical framework for the accurate prediction of operational life of
metallic components exhibiting a non-classical creep behavior under constant loadings and …

[HTML][HTML] Elasto-viscoplastic material modelling using the multiaxial Prandtl operator approach

M Nagode, J Klemenc, S Oman, D Šeruga - International Journal of …, 2024 - Elsevier
The closed-form solution for Prandtl model implemented into the finite element method is
presented which enables elasto-viscoplastic simulations of engineering materials. A …

A post‐processing procedure for predicting high‐ and low‐cycle fatigue life of welded structures based on the master EN curve

X Liu, L Lei, S **ng, T Gu, X Li… - Fatigue & Fracture of …, 2023 - Wiley Online Library
This work provides a post‐processing procedure to predict the high‐and low‐cycle fatigue
life of welded structures. The post‐processor calculates the equivalent structural strain …

Creep‐fatigue deformation characteristics and life prediction model of Inconel 718 superalloy under hybrid stress–strain‐controlled mode

Z Kang, X Wang, W Zhou, T Zhang… - Fatigue & Fracture of …, 2024 - Wiley Online Library
In this paper, the creep‐fatigue responses of the nickel‐based superalloy Inconel 718 have
been investigated by conducting hybrid stress–strain‐controlled creep‐fatigue interaction …

Crystal-plasticity modeling of monotonic and cyclic softening in inconel 718 superalloy

JB le Graverend - International Journal of Mechanical Sciences, 2023 - Elsevier
A phenomenological model is proposed to predict both monotonic and cyclic softening in
Inconel 718 superalloy at 650° C. Contrary to the current cyclic softening models consisting …

Unified viscoplasticity model for type 316 stainless steel subjected to isothermal and anisothermal-mechanical loading

X Chen, S Liu, Y Tian, L Zhu, L Lang - European Journal of Mechanics-A …, 2023 - Elsevier
Abstract 316FR-type low carbon stainless steel is usually used for many advanced gas
cooled reactor (AGR) power plants which are subjected to operating temperatures in the …

Effect of loading modes on uniaxial creep-fatigue deformation: a dislocation based viscoplastic constitutive model

K Song, L Xu, L Zhao, Y Han, N Ma, K Wang… - International Journal of …, 2024 - Elsevier
A comprehensive investigation was conducted on the stress-strain responses and
microstructural evolutions of 9Cr3Co3WCu martensitic steel at 650℃ subjected to low cycle …