Advanced materials and engineering materials X : selected peer-reviewed full text papers from the 10th ICAMEM and 7th ICMSSM : selected peer-reviewed papers from the 10th International Conference on Advanced Materials and Engineering Materials (ICAMEM 2021), May 29-30, 2021 (virtual) and the 7th International Conference on Mechanical Structures and Smart Materials (ICMSSM 2021), June 14-15, 2021, Changsha, China