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Article
Materials Science, Ceramics
Liang Xu et al.
Summary: The new high-entropy (La0.2Sm0.2Er0.2Yb0.2Y0.2)(2)CexO3+2x materials exhibit adjustable thermal expansion coefficient and engineered low thermal conductivity, making them promising candidates for thermal barrier coating materials, thermally insulating materials, and refractories.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Yao Yao et al.
Summary: This study introduces a multicomponent ceramic material with exceptional high-temperature stability and superior thermo-mechanical properties for next-generation thermal barrier coatings. The oxide composition designed via high-entropy concept shows remarkable toughness and high-temperature stability, breaking the limitations of intrinsic brittleness in previously reported materials.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Chemistry, Physical
Ping-Xia Zhang et al.
Summary: In this study, the stability, mixing behavior, mechanical, and temperature-dependent properties of multicomponent high entropy carbide ceramics (HECCs) were systematically investigated. It was found that one of the HECC materials exhibited better performance at different temperatures, providing instructive information for predicting and designing high-performance ultra-high temperature ceramic materials.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Review
Materials Science, Multidisciplinary
Martin Magnuson et al.
Summary: This review discusses the growth, chemistry, and physical properties of Group 4-6 transition-metal diboride (TMB2) thin films with AlB2-type crystal structure. It highlights the importance of avoiding contamination elements and boron segregation for better-defined properties, and the potential applications of TMB2 films beyond bulk materials.
Article
Materials Science, Ceramics
Frederic Monteverde et al.
Summary: The study investigated the chemical homogeneity of high-entropy AlB2-type Ti-Zr-Hf-Ta-TM diboride and Ti-Zr-I if-Mo-W solid solutions, revealing strong correlations among densification rate, grain coarsening, and long-range chemical randomization. The incomplete homogenization of metals was found to have a direct impact on the refined lattice mu-strain, as supported by high-resolution synchrotron radiation X-ray diffraction and energy dispersive spectroscopy analyses.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Andrew J. Wright et al.
Summary: The new class of CCFOs shows improved protective properties at intermediate temperatures, but also higher chemical reactivity with sand at elevated temperatures. The high-entropy oxide exhibits no grain boundary penetration at all temperatures, but significant reaction and precipitation occur. Additionally, these materials have higher thermal expansion coefficients compared to conventional materials.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2021)
Review
Materials Science, Multidisciplinary
B. Cantor
Summary: Multicomponent high-entropy Cantor alloys, discovered in the late 1970s, occupy a vast region of multi-component phase space and exhibit excellent mechanical properties due to high configurational entropy. The complexity of local atomic configurations and associated lattice strains in these alloys contributes to their unique characteristics and potential for further enhancement and optimization.
PROGRESS IN MATERIALS SCIENCE
(2021)
Article
Physics, Applied
Ana C. Feltrin et al.
Summary: Transition metal borides exhibit high melting points and high chemical stability, making them suitable for high temperature applications. Through specific processing, the transformation from dual-phase borides to single-phase borides can be achieved.
APPLIED PHYSICS LETTERS
(2021)
Article
Materials Science, Ceramics
Frederic Monteverde et al.
Summary: The recent discovery of high entropy transition metal diborides (HEBs) has generated new interest in ultrahigh temperature ceramics (UHTCs). Transition metal oxides based boro-carbo/thermal reduction (BCTR) syntheses show promise as relatively inexpensive production methods, but may have limitations in achieving pure HEBs. By selectively tuning the concentration of boron and carbon, researchers aim to achieve a full dense solid solution of (Ti,Ta,Nb,Zr,Hf)B2, with insights from high-resolution synchrotron X-ray powder diffraction and temperature dependent diffraction highlighting anisotropic thermal expansion and micro-cracking within this class of materials.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
Liang Xu et al.
Summary: The high-entropy fluorite-type oxides (HEFOs) synthesized in this study possess unique thermal expansion coefficients and low thermal conductivities, making them suitable candidates for high-temperature thermal barrier coatings and insulating materials.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Seth Iwan et al.
Summary: A high-entropy transition metal boride sample was successfully synthesized under high-pressure and high-temperature conditions, exhibiting a hexagonal AlB2 phase structure, excellent thermal stability, and high bulk modulus, making it suitable for high-temperature and high-hardness ceramic materials.
Article
Materials Science, Multidisciplinary
D. G. Sangiovanni et al.
Summary: The study investigates the elastic moduli properties of refractory carbides at different temperatures through AIMD simulations. The results show that TaC exhibits the highest elastic resistance at high temperatures, while the (V, Nb, Ta, Mo, W) C system is suitable for applications requiring superior toughness at both room and elevated temperatures.
MATERIALS & DESIGN
(2021)
Review
Materials Science, Multidisciplinary
Lun Feng et al.
Summary: High-entropy ultra-high-temperature ceramics are potential materials for extreme environments, computational studies predict their synthesis ability and properties, and experimental studies have synthesized a variety of these ceramics.
ANNUAL REVIEW OF MATERIALS RESEARCH, VOL 51, 2021
(2021)
Article
Materials Science, Multidisciplinary
Fu-Zhi Dai et al.
Summary: The study predicted the thermal and elastic properties of high entropy (Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)B-2 at different temperatures, and found that the predicted values agree well with experimental measurements. The use of machine learning potential opens up new possibilities for gaining insights into high entropy materials.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Huijuan Ge et al.
Summary: The lattice distortion of high-entropy carbide ceramics is closely related to the alloying elements, with the Bader atomic radius being an effective descriptor of this distortion. Furthermore, the atomic radius and formation enthalpy of binary carbides may serve as indicators for predicting the formation of single-phase high-entropy carbides.
Letter
Materials Science, Multidisciplinary
Heng Chen et al.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2020)
Article
Materials Science, Multidisciplinary
Zifan Zhaoa et al.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2020)
Article
Materials Science, Ceramics
Zifan Zhao et al.
JOURNAL OF ADVANCED CERAMICS
(2020)
Article
Materials Science, Ceramics
Lin Zhou et al.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2020)
Review
Chemistry, Physical
Rui-Zhi Zhang et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Review
Materials Science, Multidisciplinary
D. B. Miracle et al.
Article
Multidisciplinary Sciences
Christina M. Rost et al.
NATURE COMMUNICATIONS
(2015)
Article
Chemistry, Physical
C. L. Jiang et al.
APPLIED SURFACE SCIENCE
(2014)
Software Review
Chemistry, Multidisciplinary
Brian H. Toby et al.
JOURNAL OF APPLIED CRYSTALLOGRAPHY
(2013)
