Experimental investigation shows high microhardness and thermal stability in a medium entropy alloy, implying potential for high-temperature applications.
In this work, Fe 35 Cr 35 Ti 10 Ni 10 Zr 10 (at%) is a new light-weight medium entropy alloy subjected to different annealing conditions (at 700 - 1000°C for different durations) to examine its thermal stability, microstructural evolution, and microhardness change. The developed alloy was characterized by Optical light microscopy, X-ray diffraction (XRD), and Vickers microhardness. It was observed that the alloy demonstrated high microhardness value of ~707and high thermal stability with minor changes in its microstructures after different annealing treatments. These excellent properties displayed by the alloy highlight its promise for high-temperature applications.
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Sam et al. (2025) studied this question.
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