The challenging operating environments of advanced nuclear fission and fusion reactors require the development of new robust materials. These new materials must survive increased physical, chemical, thermal, and radiation-related challenges. High-entropy alloys (HEAs) have displayed notable mechanical, thermomechanical, and corrosion-resistant properties.

Nuclear fusion is a promising technology for solving the world’s energy crisis while drastically reducing pollution and avoiding the creation of nuclear waste, a major issue for nuclear fission. However, there are many scientific and technical challenges to be overcome before this technology can be used for large-scale energy generation. One of the problems that need to be solved is the tolerance of the diverter walls to the high temperatures and He implantation – conditions that are prevalent inside the fusion reactors.