A universal constitutive model considering strain range dependence effect and transient behaviour for both cyclic softening and hardening steels

Q Yang, W Zhang, Y Guo, F Liang, P Yin… - Engineering Fracture …, 2023 - Elsevier
High-temperature low-cycle fatigue (HTLCF) behaviour of 2.25 CrMoV and 316L were
investigated by employing internal stress. Results reveal that 2.25 CrMoV and 316L show …

[HTML][HTML] Requirements for and challenges in develo** improved creep ductility-based constitutive models for tempered martensitic CSEF steels

R Ragab, J Parker, M Li, T Liu, A Morris… - journal of materials …, 2022 - Elsevier
Creep fracture behaviour of tempered martensitic steels is generally governed by the
process of cavity nucleation, growth and coalescence into microcracks. Therefore, creep …

P92 steel creep-fatigue interaction responses under hybrid stress-strain controlled loading and a life prediction model

T Zhang, X Wang, Y Ji, W Zhang, T Hassan… - International Journal of …, 2020 - Elsevier
In contrast to conventional strain-controlled creep-fatigue interaction (CCFI) loadings, a
novel hybrid stress-and strain-controlled creep-fatigue interaction (HCFI) loadings were …

Influence of prior creep-fatigue exposure on remnant tensile and creep properties of AISI 321 austenite stainless steel

H Chen, W Li, W Chen, J Chen, S Zhang - International Journal of Fatigue, 2022 - Elsevier
AISI 321 steels used as heat exchange tube are generally subjected to creep-fatigue
exposure during service. Assessing their remnant properties is therefore required to ensure …

Multiaxial non-proportional fatigue behaviour and microstructural deformation mechanisms of 9% Cr steel at elevated temperature

W Zhang, X Zhang, K Zhang, F Liang, X **a… - Materials …, 2023 - Elsevier
High-temperature components utilised in practical service are often subjected to multiaxial
non-proportional loading due to their complex geometry. In the present study, a set of strain …

Experimental study on creep-fatigue behaviors of chinese P92 steel with consideration of several important factors

J Mao, X Li, D Wang, F Zhong, L Luo, S Bao… - International Journal of …, 2021 - Elsevier
In this paper, the creep fatigue test at 550–650° C of P92 steel is carried out, which not only
reveals the damage evolution mechanism, but also analyzed the creep fatigue behaviors …

Evaluation of the effect of various prior creep-fatigue interaction damages on subsequent tensile and creep properties of 9% Cr steel

W Zhang, X Wang, H Chen, T Zhang, J Gong - International Journal of …, 2019 - Elsevier
The degradation of tensile and creep properties is inevitable during high temperature
service operation. Hence this work aims to evaluate the effect of prior creep-fatigue …

Quantitative description between pre-fatigue damage and residual tensile properties of P92 steel

X Wang, W Zhang, J Ni, T Zhang, J Gong… - Materials Science and …, 2019 - Elsevier
The alteration of material tensile properties is inevitable after material subjects to irreversible
damage. This paper is devoted to quantify the influence of pre-fatigue damage on the …

Combined tensile and bending fatigue behavior and failure mechanism of a blade-like specimen at elevated temperature

Z Li, H Xu, D Shi, J Huang, G Xu, X Yang - International Journal of Fatigue, 2022 - Elsevier
Combined tensile and bending fatigue (CTBF) behavior and failure mechanism of a blade-
like specimen, made of a Ni-based alloy DZ125, are experimentally investigated. In order to …

An extended crystal plasticity model to simulate the deformation behaviors of hybrid stress–strain controlled creep-fatigue interaction loading

D Zhou, X Wang, R Wang, T Zhang, X Yang… - International Journal of …, 2022 - Elsevier
A numerical process based on crystal plasticity finite element method was implemented to
describe the cyclic stress–strain response and especially the creep deformation of 9% Cr …