Review of high entropy ceramics: Design, synthesis, structure and properties. High-entropy (Y 0.2Nd 0.2Sm 0.2Eu 0.2Er 0.2)AlO 3: A promising thermal/environmental barrier material for oxide/oxide composites. High porosity and low thermal conductivity high entropy (Zr 0.2Hf 0.2Ti 0.2Nb 0.2Ta 0.2)C. Room temperature lithium superionic conductivity in high entropy oxides. Status Solidi RRL 2016, 10: 328–333.īérardan D, Franger S, Meena AK, et al. Colossal dielectric constant in high entropy oxides. Charge-induced disorder controls the thermal conductivity of entropy-stabilized oxides. Mat Sci Eng R 2018, 131: 1–42.īraun JL, Rost CM, Lim M, et al. High-entropy alloys and metallic nanocomposites: Processing challenges, microstructure development and property enhancement. Development of advanced materials via entropy engineering. Hydrogen storage properties of multi-principal-component CoFeMnTi xV yZr z alloys. Discovery of a superconducting high-entropy alloy. The role of compositional tuning of the distributed exchange on magnetocaloric properties of high-entropy alloys. Microstructure and wear behavior of Al xCo 1.5CrFeNi 1.5Ti y high-entropy alloys. Mechanical properties and stacking fault energies of NiFeCrCoMn high-entropy alloy. Metastable high-entropy dual-phase alloys overcome the strength-ductility trade-off. Mechanical properties of Nb 25Mo 25Ta 25W 25 and V 20Nb 20Mo 20Ta 20W 20 refractory high entropy alloys. Solid solution alloys of AlCoCrFeNiTi x with excellent room-temperature mechanical properties. Alloyed pleasures: Multimetallic cocktails. Buschow KHJ, Cahn RW, Flemings MC, et al. In: Encyclopedia of Materials: Science and Technology. A critical review of high entropy alloys and related concepts. Microstructure and properties of high-entropy alloys. Breakthrough applications high-entroy materials. Microstructural development in equiatomic multicomponent alloys. Mater Today 2016, 19: 349–362.Ĭantor B, Chang ITH, Knight P, et al. High-entropy alloy: Challenges and prospects. Finally, future directions for new material exploration, novel processing, fundamental understanding, in-depth characterization, and database assessments are given. The challenges on processing, characterization, and property predictions are also emphasized. As a response to the rapid development in this nascent field, this article gives a comprehensive review on the structure features, theoretical methods for stability and property prediction, processing routes, novel properties, and prospective applications of HECs. Aside from strengthening, hardening, and low thermal conductivity that have already been found in high-entropy alloys, new properties like colossal dielectric constant, super ionic conductivity, severe anisotropic thermal expansion coefficient, strong electromagnetic wave absorption, etc., have been discovered in HECs. Distinct from metals, the diversity in crystal structure and electronic structure of ceramics provides huge space for properties tuning through band structure engineering and phonon engineering. Although in the infant stage, the emerging of this new family of materials has brought new opportunities for material design and property tailoring. High-entropy ceramics (HECs) are solid solutions of inorganic compounds with one or more Wyckoff sites shared by equal or near-equal atomic ratios of multi-principal elements.
0 kommentar(er)
