加氢反应器法兰密封槽裂纹的检测和定量  

Inspection and Quantification for Hydrogenation Reactor Flange Sealing Groove Crack

作　　者：强天鹏[1] 陈永强[2] 王郁林[2] 肖雄 朱勇[2] 陈立义[2] 

机构地区：[1]江苏省特种设备安全监督检验研究院,南京210003 [2]金陵石化公司压力容器检验中心,南京210033 [3]江苏中特创业设备检测有限公司,南京210014

出　　处：《无损检测》2010年第11期833-835,共3页Nondestructive Testing

摘　　要：通过试验研究,实现衍射时差法(TOFD)超声检测技术在加氢反应器法兰密封槽裂纹检测和定量中的应用。检测灵敏度达到5 mm×1 mm(长度×高度),裂纹高度测量误差<0.5 mm。该技术适用于多种规格和材质的法兰密封槽裂纹的检测和定量。Through experimental research,the application of time of flight diffraction（TOFD） ultrasonic testing technology in the crack detection and quantification for hydrogenation reactor flange sealing groove was realized.The testing defect sensitivity was achieved 5 mm×1 mm（length×height）,the crack height measurement error was less than 0.5 mm.The technology could be applied to the flange sealing groove crack detection and quantification of many specifications and materials.

关 键 词：法兰密封槽 TOFD检测 裂纹高度 

分 类 号：TG115.28[金属学及工艺—物理冶金]