Fatigue life prediction of metallic materials considering mean stress effects by means of an artificial neural network

JF Barbosa, JAFO Correia, RCSF Júnior… - International Journal of …, 2020 - Elsevier
The mean stress effect plays an important role in the fatigue life predictions, its influence
significantly changes high-cycle fatigue behaviour, directly decreasing the fatigue limit with …

Fatigue reliability assessment of turbine discs under multi‐source uncertainties

SP Zhu, Q Liu, J Zhou, ZY Yu - Fatigue & Fracture of …, 2018 - Wiley Online Library
Hot section components of aircraft engines like high pressure turbine (HPT) discs usually
operate under complex loadings coupled with multi‐source uncertainties. The effect of these …

A critical review of constitutive models for solders in electronic packaging

G Chen, X Zhao, H Wu - Advances in Mechanical …, 2017 - journals.sagepub.com
Owing to their superior electrical, thermal, and mechanical properties, solder joints are the
most widely used interconnection materials in electronic product packaging. Because the …

Probabilistic fatigue life prediction and reliability assessment of a high pressure turbine disc considering load variations

SP Zhu, Q Liu, Q Lei, Q Wang - International Journal of …, 2018 - journals.sagepub.com
In the present work, a probabilistic framework for fatigue life prediction and reliability
assessment of an engine high pressure turbine disc is proposed to incorporate the effects of …

Evaluation and comparison of critical plane criteria for multiaxial fatigue analysis of ductile and brittle materials

SP Zhu, ZY Yu, J Correia, A De Jesus… - International Journal of …, 2018 - Elsevier
This paper conducts a comparative evaluation on typical critical plane criteria, including
Fatemi-Socie, Wang-Brown, modified Smith-Watson-Topper (MSWT) and proposed modified …

Fatigue life prediction considering mean stress effect based on random forests and kernel extreme learning machine

L Gan, H Wu, Z Zhong - International Journal of Fatigue, 2022 - Elsevier
The mean stress effect plays a vital role in fatigue life analysis, affecting both macro-
mechanical response and micro-crack evolution of materials. Even though semiempirical …

Bayesian degradation analysis with inverse Gaussian process models under time-varying degradation rates

W Peng, YF Li, YJ Yang, J Mi… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Degradation observations of modern engineering systems, such as manufacturing systems,
turbine engines, and high-speed trains, often demonstrate various patterns of time-varying …

Strain energy gradient-based LCF life prediction of turbine discs using critical distance concept

SP Zhu, Y Liu, Q Liu, ZY Yu - International Journal of Fatigue, 2018 - Elsevier
For aeroengine components with geometrical discontinuities like notches, low cycle fatigue
(LCF) life prediction is critical for ensuring the engine structural integrity. In this regard, a …

Probabilistic framework for multiaxial LCF assessment under material variability

SP Zhu, S Foletti, S Beretta - International Journal of Fatigue, 2017 - Elsevier
The influence of material variability upon the multiaxial LCF assessment of engineering
components is missing for a comprehensive description. In this paper, a probabilistic …

Cycle-dependent creep-fatigue deformation and life predictions in a nickel-based superalloy at elevated temperature

LY Cheng, RZ Wang, J Wang, SP Zhu, PC Zhao… - International Journal of …, 2021 - Elsevier
A series of strain-controlled creep-fatigue tests with various dwell times and strain ratios are
carried out on a nickel-based superalloy at 650° C. Aiming at the mechanical understanding …