Shenyang National Laboratory for Materials Science;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
School of Materials Science and Engineering;
University of Science and Technology of China;
Hefei 230026;
China;
Science and Technology on Advanced Functional Composites Laboratory;
Aerospace Research Institute of Materials and Processing Technology;
Beijing 100076;
China;
High entropy UHTCs; High porosity; High strength; Low thermal conductivity; Oxidation resistance;