Crystal plasticity analysis of fatigue-creep behavior at cooling holes in single crystal Nickel based gas turbine blade components

C Skamniotis, N Grilli, ACF Cocks - International Journal of Plasticity, 2023 - Elsevier
We build a crystal plasticity finite element framework to investigate slip localisation and
fatigue-creep behaviour at the cooling holes of single crystal Nickel (Ni) based components …

High cycle fatigue life prediction model based on crystal plasticity and continuum damage mechanics for Ni-based single crystal superalloys under a multiaxial stress …

Y Zhang, X Zhang, J Wang, X Ren, X Wang… - International Journal of …, 2023 - Elsevier
A high cycle fatigue life prediction model based on continuum damage mechanics, crystal
plasticity and critical distance theory is developed. A novel damage evolution law for …

Quantitative representation of directional microstructures of single-crystal superalloys in cyclic crystal plasticity based on neural networks

H Weng, H Yuan - International Journal of Plasticity, 2023 - Elsevier
Nickel-based single-crystal alloys undergo microstructural degradation induced by thermal
exposure. The directional rafting of microstructures significantly affects the mechanical …

The effect of small orientation deviation from [001] to [011] on high-temperature creep properties of nickel-based single crystal

J Wang, J Liang, D Zhang, Y Peng, Z Wen - International Journal of …, 2023 - Elsevier
Having regard to the inherent crystal anisotropy characteristic of nickel-based single crystal
and the actual industrial manufacture, and application of the turbine blade, a trade-off …

Stress state mechanism of thickness debit effect in creep performances of a Ni-based single crystal superalloy

J Lv, Y Zhao, S Wang, X Zhao, J Zhao, L Zheng… - International Journal of …, 2022 - Elsevier
Weight reduction and advanced cooling schemes to improve aircraft engine efficiency drive
the design of turbine blades toward thin-walled structures. The decrease of wall thickness …

Physics-based modeling of γ/γ′ microstructure evolution and creep constitutive relation for single crystal superalloy

Z Guo, D Huang, X Yan - International Journal of Plasticity, 2021 - Elsevier
In this study, a physics-based model is proposed to predict the γ/γ′ microstructure evolution
of single crystal (SC) superalloy at medium temperature and high stress level. Considering …

Review of γ'rafting behavior in nickel-based superalloys: Crystal plasticity and phase-field simulation

Z Yu, X Wang, F Yang, Z Yue, JCM Li - Crystals, 2020 - mdpi.com
Rafting is an important phenomenon of the microstructure evolution in nickel-based single
crystal superalloys at elevated temperature. Understanding the rafting mechanism and its …

ANN-aided evaluation of dual-phase microstructural fabric tensors for continuum plasticity representation

H Weng, C Luo, H Yuan - International Journal of Mechanical Sciences, 2022 - Elsevier
The evolution and orientation-dependent behavior of microstructures in dual-phase
materials significantly affect the mechanical properties. How to quantify the microstructural …

Crystal plasticity constitutive modeling of tensile, creep and cyclic deformation in single crystal Ni-based superalloys

S Chaudhary, PJ Guruprasad, A Patra - Mechanics of Materials, 2022 - Elsevier
A microstructure-sensitive crystal plasticity constitutive framework is proposed for simulating
the tensile, cyclic, and creep response of single crystal Ni-based superalloys. In this …

A microstructural rafting state-based constitutive model for single crystal Ni-based superalloys at elevated temperature

YS Fan, L Tan, XG Yang, DQ Shi, RZ Li, J Huang… - International Journal of …, 2022 - Elsevier
Single crystal (SC) Ni-based superalloys undergo microstructural degradations such as
rafting and coarsening due to the extremely harsh service environment, which consequently …