大厚度反应器接管焊接接头的相控阵检测被引量：1

Phased Array Inspection on Nozzle Welds of Reactors of Heavy Section

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摘要介绍按ASME规范案例2235的要求,对大厚度反应器壳体与接管焊接接头进行超声相控阵(PA)检测的新技术,突出相控阵灵活变角和动态聚焦的优点,强调校验试块、扫查器具和工艺鉴定的重要性。指出采用PA是解决承压设备NDE难题、满足ASME规范要求的好方法之一。 Abstract The new technology of phased array （ PA ） ultrasonic inspection, in accordance with the requirements of ASME Code Case 2235, used for the nozzle welded joints on reactors of high thickness was introduced.The importance of calibration blocks, scanning devices and procedure qualification, and the advantages of PA being able to change beam angles freely and focusing dynamically was emphasized.Finally, it was pointed out that applying PA technology is one of the better methods for resolving difficult problems on NDE of pressure equipments, satisfying the

作者李衍

机构地区无锡市锅炉压力容器学会无损检测专委会

出处《中国特种设备安全》 2008年第8期52-55,共4页 China Special Equipment Safety

关键词大厚度壳体接管焊接接头超声检测相控阵 High requirements of ASME Code. thickness Nozzle of shells Welded joints Ultrasonic inspection Phased array （PA）

分类号 TG115.285 [金属学及工艺—物理冶金] TG407 [金属学及工艺—焊接]

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参考文献8

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