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Hamidreza Ghandvar, Mostafa Abbas Jabbar, Michal Petru, Tuty Asma Abu Bakar, Lim Jia Ler and Seyed Saeid Rahimian Koloor
This study aims to investigate the microstructural alterations, mechanical properties, sliding wear behavior, and corrosion properties of Al-15%Mg2Si composites with different contents of yttria-stabilized zirconia (YSZ). Al-15%Mg2Si composites with the ...
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Wansen Guo, Jinshen Wang, Chao Shi, Jianhong Chen, Wenhui Zeng, Guoxiao He and Kunying Ding
On the aero-engine combustor liner, a phenomenon of overheating resembling a hot spot exists, accompanied by a preferential peeling of the YSZ thermal barrier coating that will negatively affect the service life of the component. The hot spot temperature...
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Jibo Huang, Weize Wang, Xiang Lu, Shaowu Liu and Chaoxiong Li
Splat morphology is an important factor that influences the mechanical properties and durability of thermal barrier coatings (TBCs). In this study, yttria-stabilized zirconia (YSZ) coatings with different lamellar interface morphologies were deposited by...
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Jibo Huang, Weize Wang, Xiang Lu, Doudou Hu, Zhengqu Feng and Tianxu Guo
In this study, yttria-stabilized zirconia (YSZ) coatings were deposited by atmospheric plasma spraying (APS) using feedstocks with two different particle sizes. The effect of particle size on the pore structure and failure mechanism of the coatings was i...
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Ningning Hu, Matiullah Khan, Yongzhe Wang, Xuemei Song, Chucheng Lin, Chengkang Chang and Yi Zeng
In this paper, the effect of microstructure on the thermal conductivity of plasma-sprayed Y2O3 stabilized ZrO2 (YSZ) thermal barrier coatings (TBCs) is investigated. Nine freestanding samples deposited on aluminum alloys are studied. Cross-section morpho...
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Yu Wang, Qi Liu, Quansheng Zheng, Tianqing Li, Nanjing Chong and Yu Bai
The thermal insulation properties of thermal barrier coatings (TBCs) can be significantly improved with increasing the coating thickness. However, due to the weak bonding of high-thickness TBCs, the low reliability and short lifetime greatly limits their...
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Dapeng Zhou, Olivier Guillon and Robert Vaßen
The axial injection of the suspension in the atmospheric plasma spraying process (here called axial suspension plasma spraying) is an attractive and advanced thermal spraying technology especially for the deposition of thermal barrier coatings (TBCs). It...
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Georg Mauer, Linnan Du and Robert Vaßen
The shortcomings at elevated operation temperatures of the standard material yttria-stabilized zirconia (YSZ) for thermal barrier coatings (TBCs) have initiated many research activities seeking alternatives. One candidate is the pyrochlore lanthanum zirc...
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Minho Jo, Jongsu Lee, Seongyong Kim, Gyoujin Cho, Taik-Min Lee and Changwoo Lee
In roll-to-roll (R2R) processing, web uniformity is a crucial factor that can guarantee high coating quality. To understand web defects due to thermal deformation, we analyzed the effect of web unevenness on the coating quality of an yttria-stabilized zi...
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Lina Zhao, Zhi Zhang, Yugang Duan, Hong Cui and Yong Gao
Yttria-stabilized zirconia (YSZ) hollow sphere (HS) powder is a novel potential feedstock material for the plasma spraying of next generation advanced thermal barrier coatings with low thermal conductivity and high sintering resistibility. In this study,...
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Daifen Chen, Huanhuan He, Donghui Zhang, Hanzhi Wang and Meng Ni
Percolation theory is generalized to predict the effective properties of specific solid oxide fuel cell composite electrodes, which consist of a pure ion conducting material (e.g., YSZ or GDC) and a mixed electron and ion conducting material (e.g., LSCF,...
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Kourosh Kian, Caleb M Woodall, Jennifer Wilcox and Simona Liguori
H2 permeation and separation properties of two Pd-based composite membranes were evaluated and compared at 400 °C and at a pressure range of 150 kPa to 600 kPa. One membrane was characterized by an approximately 8 μm-thick palladium (Pd)-gold (Au)...
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Shiladitya Paul
Thermal spray coatings (TSCs) have complex microstructures and they often operate in demanding environments. Plasma sprayed (PS) thermal barrier coating (TBC) is one such ceramic layer that is applied onto metallic components where a low macroscopic stif...
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Savisha Mahalingam, Salmi Mohd Yunus, Abreeza Manap, Nurfanizan Mohd Afandi, Rabiatul A. Zainuddin and Nurul F. Kadir
Thick thermal barrier coatings (TBCs) are the main choice in the aviation industry due to their ability to handle elevated temperature exposure in turbines. However, the efficacy of thick TBCs has not been adequate. This study presents a highly durable, ...
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Yanqiu Xiao, Erzhou Ren, Mingyang Hu and Kun Liu
The present study aims to elaborate particle in-flight behavior during plasma spraying and its significance in determining the microstructure and mechanical properties of plasma sprayed yttria partially stabilized zirconia (YSZ) thermal barrier coatings ...
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Vladimir Paygin, Edgar Dvilis, Sergey Stepanov, Oleg Khasanov, Damir Valiev, Timofei Alishin, Maurizio Ferrari, Alessandro Chiasera, Vyacheslav Mali and Alexander Anisimov
The efficiency of using the collector pressing scheme in the Spark Plasma Sintering (SPS) process has been confirmed in improving the optical, physical, and mechanical properties of yttria-stabilized zirconia (YSZ) ceramics with an increased shape factor...
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Fernanda Caio and Christian Moreau
This study investigated the influence of the substrate shape and roughness on the microstructure of suspension plasma spray (SPS) coatings. For this purpose, an yttria-stabilized zirconia (YSZ) suspension was sprayed on flat and curved stainless-steel su...
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Kourosh Kian, Caleb M Woodall, Jennifer Wilcox and Simona Liguori
H2 permeation and separation properties of two Pd-based composite membranes were evaluated and compared at 400 °C and at a pressure range of 150 kPa to 600 kPa. One membrane was characterized by an approximately 8 μm-thick palladium (Pd...
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Kourosh Kian, Caleb M Woodall, Jennifer Wilcox and Simona Liguori
H2 permeation and separation properties of two Pd-based composite membranes were evaluated and compared at 400 °C and at a pressure range of 150 kPa to 600 kPa. One membrane was characterized by an approximately 8 μm-thick palladium (Pd...
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Sholpan G. Giniyatova, Rafael I. Shakirzyanov, Yuriy A. Garanin, Nurzhan A. Sailaukhanov, Artem L. Kozlovskiy, Natalia O. Volodina, Dmitriy I. Shlimas and Daryn B. Borgekov
Ceramics based on zirconium dioxide are very important compounds for dental, implant, and structural material applications. Despite the fact that tetragonally stabilized YSZ has been well studied, the search for new compositions of zirconia-based ceramic...
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