NEWS

POSTECH Develops Super Alloy for Extreme Temperatures

A research team at POSTECH has developed a groundbreaking alloy that maintains its strength and ductility across a wide temperature range, from -196 Celsius to 600 Celsius. This innovative alloy, known as a nickel-based high-entropy alloy (HEA), demonstrates nearly constant mechanical performance, making it suitable for applications in extreme environments. The alloy's stability is attributed to the presence of nanoscale precipitates that inhibit deformation and accommodate stress through consistent slip behavior. The development holds significant promise for industries such as aerospace and automotive, where materials are often exposed to sudden or extreme temperature changes. Potential applications include rocket and jet engines, automotive exhaust systems, power plant turbines, and pipelines. According to Professor Hyoung Seop Kim, the alloy represents a breakthrough in developing next-generation materials with consistent mechanical behavior, even under extreme conditions. This new class of temperature-insensitive materials can greatly enhance safety and efficiency in demanding environments.