Physical and Chemical Properties

Abstract

High-entropy alloys (HEAs) not only have excellent mechanical properties, but also have good physical and chemical properties. Usually, the resistivity of HEAs is higher than that of metals and alloys, but only lower than that of bulk amorphous alloys, and for some HEA, such as Ta₃₄Nb₃₃Hf₈Zr₁₄Ti₁₁, have superconducting behavior. The critical transition temperature of superconducting at zero magnetic field is 7.3 K. It also demonstrates high-saturated magnetic induction and anisotropic soft magnetic properties, which have great potential for application in high-frequency communication. A new study reveals that HEAs nanoparticles exhibit an excellent catalytic ammonia oxidation performance than conventional catalysts. It presents a good application prospect in fuel cell and catalytic car exhaust treatment. Compared with traditional alloys, HEAs also have excellent antioxidant properties and corrosion resistance. Recently, it has been paid more and more attention in the biomedical field because of its excellent mechanical properties and good biocompatibility. As a new type of alloy material, it can be foreseen that HEAs will have great potential in production and life due to its excellent properties and adjustable proportion of various elements.