1. College of Material Science and Engineering; Southwest Petroleum University; Chengdu Sichuan 610500 China
2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University); Chengdu Sichuan 610500 China
3. College of Materials Science and Engineering; Chongqing University; No. 174 Shazhengjie Shapingba 400044 Chongqing China