High-entropy ceramics: Review of principles, production and applications

S Akrami, P Edalati, M Fuji, K Edalati - Materials Science and Engineering …, 2021 - Elsevier
High-entropy ceramics with five or more cations have recently attracted significant attention
due to their superior properties for various structural and functional applications. Although …

Size disorder as a descriptor for predicting reduced thermal conductivity in medium-and high-entropy pyrochlore oxides

AJ Wright, Q Wang, ST Ko, KM Chung, R Chen, J Luo - Scripta Materialia, 2020 - Elsevier
High-entropy ceramics generally exhibit reduced thermal conductivity, but little is known
about what controls this suppression and which descriptor can predict it. Herein, 22 single …

Influence of B site substituent Ti on the structure and thermophysical properties of A2B2O7-type pyrochlore Gd2Zr2O7

C Wan, Z Qu, A Du, W Pan - Acta materialia, 2009 - Elsevier
Since the structural integrity of A2B2O7-type pyrochlores relies mostly on the
interconnecting BO6 octahedra, Ti4+ was selected to partially substitute Zr4+ in Gd2Zr2O7 …

Molten silicate interactions with thermal barrier coatings

H Zhao, CG Levi, HNG Wadley - Surface and Coatings Technology, 2014 - Elsevier
The strain tolerance of thermal barrier coatings (TBCs) used in gas turbine engines is
enhanced by incorporation of through-thickness pores within the coating. However, molten …

Thermal shock behavior of toughened gadolinium zirconate/YSZ double-ceramic-layered thermal barrier coating

X Zhong, H Zhao, X Zhou, C Liu, L Wang… - Journal of alloys and …, 2014 - Elsevier
Abstract Double-ceramic-layered (DCL) thermal barrier coating system comprising of
toughened Gadolinium zirconate (Gd 2 Zr 2 O 7, GZ) as the top ceramic layer and 4.5 mol …

[图书][B] Thermal properties of solids at room and cryogenic temperatures

G Ventura, M Perfetti - 2014 - Springer
This book addresses the needs of researchers in physics and chemistry, project engineers
and students interested in cryogenics and thermal properties of matter. Using a musical …

Characterization of microstructure and thermal properties of Gd2Zr2O7-type thermal barrier coating

G Moskal, L Swadźba, M Hetmańczyk, B Witala… - Journal of the European …, 2012 - Elsevier
We present herein a characterization of the microstructure and thermal properties of thermal
barrier coatings (TBCs), which we obtained via plasma spraying of powder Gd2Zr2O7. By …

Zirconia and pyrochlore oxides for thermal barrier coatings in gas turbine engines

JW Fergus - Metallurgical and Materials Transactions E, 2014 - Springer
One of the important applications of yttria-stabilized zirconia (YSZ) is as a thermal barrier
coating for gas turbine engines. While YSZ performs well in this function, the need for …

Structural evolution and thermophysical properties of (SmxGd1− x) 2Zr2O7 (0≤ x≤ 1.0) ceramics

ZG Liu, JH Ouyang, Y Zhou - Journal of Alloys and Compounds, 2009 - Elsevier
Structural evolution and thermophysical properties of (SmxGd1− x) 2Zr2O7 (0≤ x≤ 1.0)
were investigated by X-ray diffraction, scanning electron microscopy, transmission electron …

The role of low-lying optical phonons in lattice thermal conductance of rare-earth pyrochlores: A first-principle study

G Lan, B Ouyang, J Song - Acta Materialia, 2015 - Elsevier
Rare-earth pyrochlores, commonly exhibiting remarkably low lattice thermal conductivities,
are considered as promising topcoat materials for thermal barrier coatings. However the …