[1] Sichuan Univ Sci & Engn, Sch Mech Engn, Zigong 643000, Peoples R China
[2] Sichuan Univ, Key Lab Sichuan Prov, Failure Mech & Engn Disaster Prevent, Chengdu 610065, Peoples R China
[3] Sichuan Univ, Minist Educ, Key Lab Deep Earth Sci & Engn, Chengdu 610065, Peoples R China
[4] Vanadium & Titanium Resource Comprehens Utilizat K, Panzhihua 617000, Peoples R China
[5] Sichuan Univ Sci & Engn, Sch Mat Sci & Engn, Zigong, Peoples R China