Creep-fatigue damage mechanisms and life prediction based on crystal plasticity combined with grain boundary cavity model in a nickel-based superalloy at 650° C

KS Li, RZ Wang, XC Zhang, ST Tu - International Journal of Plasticity, 2023 - Elsevier
In this study, a dual-scale numerical procedure is developed to reveal the creep-fatigue
damage mechanisms and estimate the crack initiation life for notched structures made of …

Insights on low cycle fatigue crack formation and propagation mechanism: A microstructurally-sensitive modeling

K Song, K Wang, L Zhang, L Zhao, L Xu, Y Han… - International Journal of …, 2022 - Elsevier
A novel model for revealing low cycle fatigue (LCF) fracture mechanism was established
based on molecular dynamics, extended finite element method, and representative volume …

Microstructure and mechanical properties of Al–Li alloy manufactured by additive friction stir deposition

Y Li, M Zhang, H Wang, R Lai, B Yang, Y Li - Materials Science and …, 2023 - Elsevier
The microstructure and mechanical properties of 2195 Al–Li alloy manufactured by additive
friction stir deposition (AFSD) were thoroughly investigated before and after various post …

Topology optimization parallel-computing framework based on the inherent strain method for support structure design in laser powder-bed fusion additive …

ZD Zhang, O Ibhadode, U Ali, CF Dibia… - International Journal of …, 2020 - Springer
In this work, a topology optimization parallel-computing framework is developed to design
support structures for minimizing deflections in Laser Powder-bed Fusion produced parts …

[HTML][HTML] Simulation of ductile-to-brittle transition combining complete Gurson model and CZM with application to hydrogen embrittlement

M Lin, H Yu, Y Ding, V Olden, A Alvaro, J He… - Engineering fracture …, 2022 - Elsevier
A general simulation framework for modelling ductile-to-brittle transition in metals is
proposed. The method combines the complete Gurson model and cohesive zone model …

Stress-assisted corrosion behaviour of Hastelloy N in FLiNaK molten salt environment

Y Gu, W Zhang, Y Xu, Y Shi, K Volodymyr - npj Materials Degradation, 2022 - nature.com
The use of molten-salt–based energy production and storage systems requires high-
temperature corrosion-and creep-resistant structural materials. This study investigated the …

Exploration on the Stress‐induced Internal Corrosion of NaCl-deposited GH4169 under humid intermediate temperature environments

W Wang, Y Cui, R Liu, L Liu, F Wang - Corrosion Science, 2023 - Elsevier
The internal corrosion penetration of GH4169 with NaCl-deposited in humid environments
was analyzed by graded times, stress levels and temperatures. Dynamic principles are …

[HTML][HTML] Oxidation-involved life prediction and damage assessment under generalized creep-fatigue loading conditions based on engineering damage mechanics

RZ Wang, XC Zhang, HH Gu, KS Li, JF Wen… - Journal of Materials …, 2023 - Elsevier
The object of this paper is to develop numerical procedures for creep-fatigue-oxidation life
prediction and damage assessments based on engineering damage approach, in response …

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 …

Microcrack initiation mechanisms of 316LN austenitic stainless steel under in-phase thermomechanical fatigue loading

B Li, Y Zheng, S Shi, Y Liu, Y Li, X Chen - Materials Science and …, 2019 - Elsevier
In-phase thermomechanical fatigue tests with various mechanical strain amplitudes (0.6% to
1.2%) at temperature interval of 250–450° C were carried out on 316LN austenitic stainless …