Results 21 to 30 of about 1,887 (217)

Effect of thermal cycling frequency on the durability of Yb-Gd-Y-based thermal barrier coatings [PDF]

open access: yes, 2019
The effects of thermal cycling frequency and buffer layer on the crack generation and thermal fatigue behaviors of Yb–Gd–Y-stabilized zirconia (YGYZ)-based thermal barrier coatings (TBCs) were investigated through thermally graded mechanical fatigue ...
Choi, Baig-Gyu   +5 more
core   +1 more source

New high-pressure phase and equation of state of Ce2Zr2O8 [PDF]

open access: yes, 2012
In this paper we report a new high-pressure rhombohedral phase of Ce2Zr2O8 observed from high-pressure angle-dispersive x-ray diffraction and Raman spectroscopy studies up to nearly 12 GPa.
A. K. Tyagi   +10 more
core   +1 more source

Solid State Synthesis of Europium Zirconate Based Material [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
In the article, the characterization of the microstructure, phase composition and distribution of elements in the Eu2O3-ZrO2 sintered materials obtained by four different ways of powders’ homogenization (mixing) process and different temperature of ...
M. Mikuśkiewicz, G. Moskal
doaj   +1 more source

Oxygen ion and mixed conductivity in compounds with the fluorite and pyrochlore structure [PDF]

open access: yes, 1983
The effect of pyrochlore order in solid solutions with the defect fluorite structure was studied. The amount of order was changed by various heat treatments or by varying the cation composition.
Burggraaf, A.J.   +2 more
core   +2 more sources

Structural and Magnetic Investigations of Single-Crystals of the Neodymium Zirconate Pyrochlore, Nd2Zr2O7 [PDF]

open access: yes, 2015
We report structural and magnetic properties studies of large high quality single-crystals of the frustrated magnet, Nd$_2$Zr$_2$O$_7$. Powder x-ray diffraction analysis confirms that Nd$_2$Zr$_2$O$_7$ adopts the pyrochlore structure.
Balakrishnan, G.   +7 more
core   +2 more sources

Research progress in potential high-entropy ceramic thermal barrier coating materials

open access: yesCailiao gongcheng, 2023
Thermal barrier coating (TBC) materials are an important method to provide thermal protection and prolong service life for aero-engines and gas turbines.
LAI Liping   +6 more
doaj   +1 more source

Structural tuning of dielectric properties of Ce-substituted Nd2Zr2O7

open access: yesJournal of Saudi Chemical Society, 2019
Rare earth zirconates with pyrochlore type structure have shown a potential for practical applications due to their stable crystal structure with tunable lattice parameters.
Ghulam M. Mustafa   +5 more
doaj   +1 more source

Synthesis and Characterization of Thermal Properties of Type Eu2O3-ZrO2 Sinters

open access: yesArchives of Metallurgy and Materials, 2016
The oxides with pyrochlore or defected fluorite structure are a potential alternative ceramic materials for now widely used yttria-stabilized zirconia 8YSZ in the application for the insulation layer of thermal barrier coatings systems.
Jucha S., Moskal G., Mikuśkiewicz M.
doaj   +1 more source

Synthesis, Characterization and Thermal Diffusivity of Holmium and Praseodymium Zirconates

open access: yesArchives of Metallurgy and Materials, 2016
A2B2O7 oxides with pyrochlore or defected fluorite structure are among the most promising candidates for insulation layer material in thermal barrier coatings.
Stopyra M., Niemiec D., Moskal G.
doaj   +1 more source

Thermal properties of La2Zr2O7 double-layer thermal barrier coatings [PDF]

open access: yes, 2018
La2Zr2O7 is a promising thermal barrier coating (TBC) material. In this work, La2Zr2O7 and 8YSZ-layered TBC systems were fabricated. Thermal properties such as thermal conductivity and coefficient of thermal expansion were investigated.
Guo, Xingye   +6 more
core   +1 more source

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