Experimental and constitutive modelling studies of type 316L stainless steel based on internal stress under low cycle fatigue and creep-fatigue interaction

F Liang, W Zhang, F Chen, P Yin, Q Yang… - International Journal of …, 2023 - Elsevier
Low cycle fatigue (LCF) and creep-fatigue interaction (CFI) behaviour of 316L stainless steel
at 550° C were investigated using experimental and modelling approaches. Results …

Impact of dynamic strain aging on multiaxial low cycle fatigue behavior of nickel-based alloy 690 at 350° C

S Shi, H Li, J Cui, X Chen - International Journal of Fatigue, 2023 - Elsevier
The multiaxial low cycle fatigue behavior of nickel-based alloy 690 at 350° C was
investigated. The multi-slip planar dislocation configuration under non-proportional loading …

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 …

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 …

The high cycle fatigue behavior, failure characteristics, and fatigue life empirical relationship of 9% Cr steel under different stress ratios at 630° C

Q Wang, M Liu, Y Cai, T Wang, Y Pei, H Zhang… - International Journal of …, 2023 - Elsevier
During the startup and shutdown processes of the steam turbine rotor, the fatigue failure
behavior caused by asymmetric stress is introduced. To study the effect of mean stress on …

Fatigue behavior analysis and life evaluation method of building steel under the influence of multiple factors

X Pan, J Liu, Y Li, J Ren, Q Wang, X Chen - Engineering Fracture …, 2024 - Elsevier
The paper aims to analyze the stress–strain response of building steel under low-cycle
multiaxial fatigue and to accurately evaluate the fatigue life of specimens by selecting the …

[HTML][HTML] Dynamic strain ageing of austenitic Ni-based alloy during cyclic loading at 350° C: Mechanism and its evolution

P Zhao, N Wang, P Zhang, H Yu, JG Gong… - Journal of Materials …, 2024 - Elsevier
Dynamic strain ageing (DSA) in an austenitic Ni-based alloy was investigated by
symmetric/asymmetric low cycle fatigue tests with different strain amplitudes at 350° C. A …

Multiaxial damage parameter evaluation by neural network-based symbolic regression

W Cao, X Sun, Y Li, X Chen - Engineering Fracture Mechanics, 2025 - Elsevier
The ubiquity and complexity of multiaxial loading necessitate the exploration of effective
methods for evaluating multiaxial fatigue life. This work proposes a symbolic regression (SR) …

The cyclic response behavior, failure mechanism, and life prediction model of 9% Cr‐based steel under different strain ratios in the low cyclic fatigue regime at 430° C

Q Wang, Y Cai, M Liu, Q Li, Y Pei… - Fatigue & Fracture of …, 2023 - Wiley Online Library
During steam turbine rotor operation, the startup and showdown processes can cause
asymmetric loading stress, leading to fatigue damage. To research the cyclic deformation …

Omnidirectional strain sensing using single flexible acoustic wave device with machine-learning algorithm

Z Ji, J Zhou, Y Guo, Y He, H Duan, Y Fu - Applied Physics Letters, 2023 - pubs.aip.org
Strain sensors are crucial for development of smart systems, providing valuable feedback on
the conditions of structures and mechanical components. However, there is a huge …