隔水管环焊缝裂纹交流电磁场检测系统的研制  

Development of alternating current electromagnetic field detection system for crack in riser girth weld

作　　者：李伟[1] 刘杰[1] 袁新安[1] 邵鑫宇 赵建超 尚亚期 李红雨 LI Wei;LIU Jie;YUAN Xin'an;SHAO Xinyu;ZHAO Jianchao;SHANG Yaqi;LI Hongyu(Center for Offshore Engineering and Safety Technology,China University of Petroleum(East China),Qingdao 266555,China)

机构地区：[1]中国石油大学(华东)海洋油气装备与安全技术研究中心,青岛266555

出　　处：《无损检测》2021年第10期59-62,共4页Nondestructive Testing

基　　金：国家自然科学基金资助项目(52005512);山东省自然科学基金资助项目(ZR201911040388)。

摘　　要：针对隔水管环焊缝区域裂纹快速无损检测的技术需求,基于交流电磁场检测技术适应性设计了交流电磁场阵列探头,研发了一套隔水管环焊缝裂纹快速检测系统,开展隔水管试件焊缝及热影响区裂纹快速检测试验。结果表明,基于交流电磁场的隔水管环焊缝快速检测系统可实现隔水管环焊缝及热影响区1.0 mm深度裂纹的快速检出,对隔水管的安全检测及维修具有重大意义。Aiming to meet the technical requirements of rapid nondestructive testing of cracks in riser girth weld area,this paper designed an array probe of AC electromagnetic field based on the adaptive testing technology of AC electromagnetic field.A rapid detection system for cracks in riser girth weld was developed,and rapid detection experiments for cracks in riser specimens′welds and heat-affected zones were carried out.The results show that the rapid detection system of riser girth welds based on AC electromagnetic field can realize the rapid detection of riser girth welds and cracks of 1.0 mm deep in the heat-affected zone,which is of great significance to the safety detection and maintenance of riser.

关 键 词：交流电磁场 隔水管环焊缝 阵列探头 裂纹检测 

分 类 号：TG115.28[金属学及工艺—物理冶金]