Unveiling thermal stresses in RETaO4 (RE= Nd, Sm, Eu, Gd, Tb, Dy, Ho and Er) by first-principles calculations and finite element simulations

M Gan, X Chong, T Lu, C Yang, W Yu, SL Shang… - Acta Materialia, 2024 - Elsevier
Thermal stress (σ) plays a critical role in regulating the stability and durability of thermal
barrier coatings (TBCs) during service. However, its measurements are limited due to …

Comprehensive dynamic failure mechanism of thermal barrier coatings based on a novel crack propagation and TGO growth coupling model

ZY Wei, HN Cai, CJ Li - Ceramics International, 2018 - Elsevier
Comprehensive understanding of failure mechanism of thermal barrier coatings (TBCs) is
essential to develop the next generation advanced TBCs with longer lifetime. In this study, a …

Effect of oxide growth on the stress development in double-ceramic-layer thermal barrier coatings

B Li, X Fan, K Zhou, TJ Wang - Ceramics International, 2017 - Elsevier
A numerical study is conducted to investigate the effect of oxide growth on the stress
development within the plasma sprayed double-ceramic-layer thermal barrier coatings. The …

Electron tunneling of hierarchically structured silver nanosatellite particles for highly conductive healable nanocomposites

D Suh, KP Faseela, W Kim, C Park, JG Lim… - Nature …, 2020 - nature.com
Healable conductive materials have received considerable attention. However, their
practical applications are impeded by low electrical conductivity and irreversible …

Methodology for predicting the life of plasma-sprayed thermal barrier coating system considering oxidation-induced damage

K Kim, D Kim, K Park, J Yun, CS Seok - Journal of Materials Science & …, 2022 - Elsevier
The lifespan of plasma-sprayed thermal barrier coating (TBC) systems is difficult to predict
owing to the variety of microstructures and deterioration histories. In this study, we …

A semi-analytical model for predicting stress evolution in multilayer coating systems during thermal cycling

B Li, X Fan, K Zhou, T Wang - International Journal of Mechanical Sciences, 2018 - Elsevier
A semi-analytical model is developed to predict the stress evolution within a multilayer
coating system during cyclic thermal loading. This model takes into account the temperature …

The sintering and creep and cracking of thermal barrier coatings under thermal cycling

L Cen, WY Qin, QM Yu - Engineering Failure Analysis, 2022 - Elsevier
During service, thermal barrier coating will generally go through a series of complicated
nonlinear phenomena. In this work, a constitutive framework is provided for the sintering and …

On the role of TGO growth in the interface undulation in MCrAlY coating system upon thermal cycling

L Cen, WY Qin, QM Yu - Ceramics International, 2019 - Elsevier
The bond-coat/TGO (thermally grown oxide) interface has been experimentally observed to
progressively undulate upon thermal cycling. This work presents a study on the role of TGO …

A three-dimensional finite element model for the oxide growth mechanism and growth-induced stress within thermal barrier system

L Cen, WY Qin, QM Yu - Materials Today Communications, 2021 - Elsevier
Thermal barrier coating is subjected to out-of-plane displacements and possible in-plane
cracks as thermally grown oxide (TGO) grows at high temperatures. Three different schemes …

Thermo-structural behavior of thermal barrier coatings for thrust chamber applications

J Song, B Sun, Y Xing - International Communications in Heat and Mass …, 2022 - Elsevier
The investigation of the failure mechanism is essential for the application of thermal barrier
coating in the thrust chamber of liquid rocket engines. In this work, a four-layer thermal …