| Abstract Scope |
High-entropy alloys (HEAs) refer to alloys composed of five or more elements in equal amounts or in an atomic concentration ranging from 5 to 35 atomic percent (at%). Based on past research, HEAs have exhibited superior performance, relative to most conventional alloys, with respect to important properties, such as strength, toughness, corrosion resistance, magnetic behavior, etc. Among them, fatigue properties have been a topic of focus, due to their importance in industrial applications. In this presentation, we summarize research progress in the HEA-fatigue behavior in the past ten years, including experimental results and theoretical studies in subdivisions, such as high-cycle fatigue, low-cycle fatigue, crack-growth rate, fracture mechanism, etc. Different manufacturing methods for fabricating HEAs are reviewed, and influence of the processing and test methods described. The accuracy of several commonly used prediction models is presented. Finally, unresolved issues and suggestions on the direction of future research efforts are outlined. |