Zhang Jianxun, 1982 graduated from Xi Jiaotong University with a bachelor's degree, 1984 graduated from Shanghai Jiaotong University with a master's degree; 1989 graduated from Xi jiaotong university, Ph.D.; 1996 Xi Professor and Doctoral Supervisor of Jiaotong University; 1998-2000 Visiting Professor and Researcher, Osaka University, Japan. International welding engineer, CPC party member, china zhi gong party, Xi CPPCC party member. At present, he is the vice president of the College of Materials Science and Engineering, the director of welding research institute, the chairman of Xi 'an Welding Technology Society, the executive director of China Engineering Construction Welding Association, the director of China Welding Society, the member of the professional committee of welding mechanics and structural design and manufacturing, the member of the teaching committee of electromechanical discipline in colleges and universities of China Machinery Industry Education Association, and the member of the academic committee of the State Key Laboratory of Modern Welding Production Technology.

Qiao Champion, 1985~ 1995, studied in the School of Materials (Department) of Anjiaotong University, and obtained bachelor's degree, master's degree and doctor's degree respectively. 1995 ~ 1997 is a postdoctoral fellow at Northwestern Polytechnical University. 2001August-11October as a senior visiting scholar at Osaka University, Japan. Academic Part-time Job: Selected as the first batch of "Excellent Talents Training Plan in the New Century" by the Ministry of Education, and employed by Xi Jiaotong University to "soar" distinguished professor. He is also the executive director and deputy secretary-general of Environmental Materials Branch of China Materials Research Association, director of Materials Branch of China Mechanical Engineering Society, member of Engineering Ceramics Professional Committee, director of Shaanxi Composite Materials Society, director of Metal Society, deputy director of Materials Professional Committee and editorial board of Journal of Silicate. Scientific research and teaching: mainly engaged in the research of advanced ceramics and ceramic matrix composites. Undertake the teaching of functional ceramic materials, eco-environmental materials, ceramic mechanical properties, material science progress and other courses. He has undertaken more than ten projects of National Natural Science Foundation (3 projects), 863 projects (2 projects), 973 projects (2 projects), private office assistance projects (3 projects) and Fok Ying-tung Fund. Five items were appraised by the Ministry of Education and won the second prize of science and technology in colleges and universities in Shaanxi Province. More than 80 papers have been published, including more than 50 in SCI. Participated in editing 5 textbooks and monographs, and applied for the national invention patent 1 1.