Results 121 to 130 of about 2,104 (220)

Effects of europium doping on thermal property and failure behaviour of Gd2Zr2O7 thermal barrier coatings

npj Materials Degradation
This work concentrates on the phase, composition, thermo-physical properties, microstructure, service lifetime, and failure behaviour of GdEuZrO/YSZ thermal barrier coatings fabricated via electron beam-physical vapor deposition.
Zaoyu Shen, Yuqing Luo, Guanxi Liu, Jianwei Dai, Limin He, Rende Mu   +5 more
doaj   +1 more source

The current advancement of zirconate based dual phase system in thermal barrier coatings (TBCs): New modes of the failures: Understanding and investigations

Alexandria Engineering Journal
The demand for efficient engineering components operating in harsh environments has necessitated the exploration of advanced protective measures.
Amjad Iqbal, Grzegorz Moskal, Albano Cavaleiro, Ayesha Amjad, Muhammad Jahangir khan   +4 more
doaj   +1 more source

Evolution of microstructural and mechanical properties of lanthanum zirconate thermal barrier coatings at high temperature

, 2015
Ceramic thermal barrier coatings (TBCs) are advanced systems for more efficient turbine engines. In this work, thick lanthanum zirconate TBCs were fabricated by Air Plasma Spraying (APS).
Di Girolamo, G., Blasi, C., Marra, F., Schioppa, M.   +3 more
core   +1 more source

Uncertainty quantification of thermal barrier coatings lifetime on rotating turbine blades considering chemo-thermo-mechanically coupling failure

Materials & Design
The lifetime prediction of thermal barrier coatings (TBCs) on rotating turbine blades remains a significant challenge due to the complex service environment and multi-physics failure mechanisms.
Weiliang Yan, Cong Li, Qianqian Zhou, Yuqi Xie, Yu Sun, Li Yang, Yichun Zhou   +6 more
doaj   +1 more source

The investigation on the residual stress and the failure mechanism in thermal barrier coatings (TBCs)

, 2001
The analysis on the residual stress producing in the cooling process of a thermal cycle in TBCS system is conducted by ANSYS FEM code. The effect of TGO on the residual stress in TBCS system and the failure mechanism of TBC in the process of serving ...
Xi J, Ma, Y (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China., 段祝平, Ma Y   +3 more
core  

Improving the lifetime of suspension plasma sprayed thermal barrier coatings

, 2017
Development of thermal barrier coating systems (TBCs) for gas turbine applications allowing higher combustion temperatures is of high interest since it results in higher fuel efficiency and lower emissions.
Nicolaie Markocsan, Gupta, Mohit Kumar,, Peng, Ru,, Xin-Hai Li, Li, Xin-Hai,, Gupta, Mohit,, Mohit Gupta, Peng, Ru Lin,, Markocsan, Nicolaie,, Ru Lin Peng   +9 more
core   +1 more source

Enhanced thermal radiation blocking and high temperature stability of nanostructured YSZ thermal barrier coatings through carbon film coating

Journal of Advanced Ceramics
The semi-transparency to thermal radiation, coupled with low nanoparticle retention and formation of semi-melted particles during plasma spraying, significantly limits the high-temperature application of nanostructured yttria stabilized zirconia (YSZ ...
Liu-Chao Zhang, Fa Luo, Ying-Ying Zhou, Ya-Ru Cao, Jun-Jie Yang, Yu-Qin Li, Yu-Chang Qing   +6 more
doaj   +1 more source

Microstructure design for blended feedstock and its thermal durability in lanthanum zirconate based thermal barrier coatings

, 2016
The effects of microstructure design on the lifetime performance of lanthanum zirconate (La2Zr2O7; LZO)-based thermal barrier coatings (TBCs) were investigated through various thermal exposure tests, such as furnace cyclic thermal fatigue, thermal shock,
Je-Hyun Lee, Guo, Xingye, Lee, Je-Hyun, Lu, Zhe, Dowon Song, Yeon-Gil Jung, Paik, Ungyu, Jing Zhang, Ungyu Paik, Zhe Lu, Sung-Hoon Jung, Jung, Yeon-Gil, Zhang, Jing, Jung, Sung-Hoon, Woo, Ta-Kwan, Ta-Kwan Woo, Xingye Guo, Song, Dowon   +17 more
core   +1 more source

Analysis of infrared emissivity of EB-PVD thermal barrier coatings at the microscopic level

Case Studies in Thermal Engineering
Thermal barrier coatings (TBCs) applications of yttria-stabilized (YSZ) are widely utilized on turbine blades of aviation engines due to its low thermal conductivity and high electrical conductivity.
Ying Cui, Yuhui Liu, Shan Gao, Liwei Chen, Jing Jiang, Yi Niu, Chao Wang   +6 more
doaj   +1 more source

Development of Embedded Thermocouple Sensors for Thermal Barrier Coatings (TBCs) by a Laser Cladding Process [PDF]

, 2016
Thermal barrier coatings (TBCs) are now being widely used on gas turbine engines to lower the surface temperatures of metallic substrate from extreme hot gas stream in combustor and turbine components. The thermally grown oxide (TGO) growth rate plays an important role in the lifetime of TBC systems. The accurate real-time monitoring of bond-coat/ 8YSZ
openaire   +1 more source