Priyanka Agrawal, Sanya Gupta, Abhijeet Dhal, Ramprashad Prabhakaran, Lin Shao & Rajiv S. Mishra

Properties and radiation responses of a metastable high entropy alloy (HEA) exhibiting the transformation induced plasticity (TRIP) effect were studied. Innovative engineering used to manufacture this HEA has shown superior mechanical and corrosion properties in 3.5% NaCl than most advanced stainless steels. The microstructural evolution and corresponding mechanical response after irradiation have been evaluated using detailed transmission electron microscopy, and nanoindentation. The study shows a change in metastability of the alloy with irradiation via a recovery mechanism, where the irradiation-induced transformation is reversed by the temperature-induced transformation, thereby introducing the concept of self-healing, made possible due to the TRIP behavior of HEA.

Journal of Nuclear Materials, 2023-02-01, Volume 574, Pages 154217, ScienceDirect, ISSN 0022-3115

https://www.sciencedirect.com/science/article/pii/S0022311522006961
DOI 10.1016/j.jnucmat.2022.154217