LIANG Tianquan received B.S. and M.S. degrees from Xi'an University of Technology in 2002 and 2005 respec- tively and now is a Ph.D. candidate of Beihang University. His main research interest is design and application of high temperature protective coatings. E-mail: liangtianquan@126.com Corresponding author. Tel.: +86-10-82317117. E-mail address. guo.hongbo@buaa.edu.cnGUO Hongbo is a professor of School of Materials Science and Engineering, Beihang University. His main research interest is design and application of high temperature protec- tive coatings. E-maih guo.hongbo@buaa.edu.cn