Dynamic crack growth mechanism and lifetime assessment in plasma sprayed thermal barrier system upon temperature cycling

ZY Wei, HN Cai, RX Feng, JY Su - Ceramics International, 2019 - Elsevier
Failure of plasma-sprayed thermal barrier coatings (TBCs) is very complicated upon
temperature cycling, therefore, to ascertain the crack propagation behavior is beneficial to …

Stress states in plasma-sprayed thermal barrier coatings upon temperature cycling: Combined effects of creep, plastic deformation, and TGO growth

ZY Wei, HN Cai, A Tahir, WW Zhang, XF Li… - Ceramics …, 2019 - Elsevier
To ascertain material parameter effects on the stress states is beneficial to comprehend the
crack growth behavior and delamination mechanism in thermal barrier coatings (TBCs). In …

Residual stress distribution along interfaces in thermal barrier coating system under thermal cycles

QM Yu, L Cen - Ceramics International, 2017 - Elsevier
The residual interfacial stress plays an important role in crack initiating and propagating
along the interface, which could result in delamination failure of the thermal barrier coatings …

The combined effect of creep and TGO growth on the cracking driving force in a plasma-sprayed thermal barrier system

ZY Wei, HN Cai, RX Feng, H Zhang - Journal of Thermal Spray …, 2019 - Springer
A comprehensive understanding of the failure mechanisms of plasma-sprayed thermal
barrier coatings (TBCs) under temperature cycling is a prerequisite for developing the next …

The influence of temperature gradient across YSZ on thermal cyclic lifetime of plasma-sprayed thermal barrier coatings

H Dong, GJ Yang, HN Cai, H Ding, CX Li, CJ Li - Ceramics International, 2015 - Elsevier
The influence of the temperature gradient within plasma-sprayed yttria-stabilized zirconia
(YSZ) on the thermal cyclic lifetime of thermal barrier coatings (TBCs) was investigated via …

An innovative model coupling TGO growth and crack propagation for the failure assessment of lamellar structured thermal barrier coatings

ZY Wei, HN Cai, GH Meng, A Tahir, WW Zhang - Ceramics International, 2020 - Elsevier
The failure of plasma-sprayed thermal barrier coating (TBC) is often caused by the coating
spallation due to crack propagation. In this study, a new model with stacking lamellae is …

Stress states and crack behavior in plasma sprayed TBCs based on a novel lamellar structure model with real interface morphology

ZY Wei, HN Cai - Ceramics International, 2019 - Elsevier
To ascertain the crack growth behavior and coalescence mechanism in thermal barrier
coatings (TBCs) is beneficial for understanding the failure of TBCs and proposing the …

Numerical investigation on the cracking behaviors of thermal barrier coating system under different thermal cycle loading waveforms

J Song, S Li, X Yang, H Qi, D Shi - Surface and Coatings Technology, 2018 - Elsevier
The influence of a thermal cycle fatigue (TCF) loading waveform on cracking behaviors of an
atmospheric plasma-sprayed thermal barrier coating (TBC) system was numerically studied …

Effect of material properties on residual stress distribution in thermal barrier coatings

QM Yu, Q He - Ceramics International, 2018 - Elsevier
Residual stress has a significant influence on the crack nucleation and propagation in
thermal barrier coatings (TBC) system. In this work, the residual stress in the air plasma …

Assessment of stress characteristic and interfacial delamination in thermal barrier coatings considering the connected crack network

ZY Wei, HN Cai, SD Zhao - Surface and Coatings Technology, 2022 - Elsevier
The coalescence induced by the propagation of inter-lamella and intra-lamellar cracks in
thermal barrier coatings (TBCs) by atmospheric plasma spraying (APS) is the root cause of …