作者单位:MA Jin-fu(National Engineering Laboratory for Pipeline Safty, Langfang 065000, China; School of Materials Science and Engineering, The Beifang University for Nationalities, Yinchuan 750021, China)马金福(中国石油天然气管道科学研究院,廊坊065000;北方民族大学材料科学与工程学院,银川750021)ZHANG Peng,LIU Zhen-jun(National Engineering Laboratory for Pipeline Safty, Langfang 065000, China)张鹏,刘震军(中国石油天然气管道科学研究院,廊坊065000)FENG Bin(National Engineering Laboratory for Pipeline Safty, Langfang 065000, China; School of Mechanical Engineering, Xi'an Petroleum University, Xi'an 710065, China)冯斌(中国石油天然气管道科学研究院,廊坊065000;西安石油大学机械工程学院,西安710065)