火电厂发电机组蒸汽管道焊缝超声自动扫描成像检测
Ultrasonic Evaluation of Pipe Welds in Steam Power Plant by Using Mobile Automated Scanning System
摘 要
介绍采用便携式超声自动化扫描成像检测技术对火电厂发电机组蒸汽管道焊缝进行在役无损检测。人工模拟缺陷试样和现场检测结果表明，采用自动扫描多维投影成像方法，结合A，C和P扫描成像可以准确判断缺陷的位置、大小、分布和取向等特征，使缺陷识别的准确性和检测可靠性明显提高。
超声成像
管道焊缝
Ultrasonic automated evaluation
Ultrasonic imaging
Pipe welds
Abstract
A new nondestructive evaluation technique by using multiple-view ultrasonic imaging based on mobile automated scanning system has been used to the inspection of pipe welds in-service in steam power plant. The experimental and applied results have shown that defect characteristics, for examples, its location, distribution and orientation, etc, can be exhibited well in the multiple ultrasonic A, C and P-scan images. Detectable probability and reliability of finding defects can be improved remarkably by using the multiple-view ultrasonic imaging based on mobile automated scanning system.
中图分类号 TG115.28
所属栏目 试验研究
基金项目
收稿日期 2005/6/9
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备注张丙法(1966-)，男，副教授，从事锅炉、管道、压力容器无损检测工作。
引用该论文: ZHANG Bing-fa,LIU Song-ping,LIU Fei-fei,WANG Rui-chuan,LI Le-gang,LIU Guang-xing,GUAN Hong-guang. Ultrasonic Evaluation of Pipe Welds in Steam Power Plant by Using Mobile Automated Scanning System[J]. Nondestructive Testing, 2006, 28(10): 533～536
张丙法,刘松平,刘菲菲,王瑞川,李乐刚,刘光兴,关洪光. 火电厂发电机组蒸汽管道焊缝超声自动扫描成像检测[J]. 无损检测, 2006, 28(10): 533～536
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参考文献
【1】Raj Baldev, Subramanian CV, Jayakumar T. Non-destructive Test of Welds\[M\]. UK: Alpha Science International Ltd,2000.
【2】Ditchburn RJ, Burke SK, Scala CM. NDT of welds: state of the art\[J\]. NDT&E International,1999,29(2):111-117.
【3】Raj Baldev, Subramanian CV. Nondestructive testing of welds\[J\]. Materials Evaluation,1999,57(12):1251-1254.
【4】Passi GS, Shoef Y, Kritsky MV. Reducing the influence of human factors on the reliability of manual ultrasonic weld inspection\[J\]. INSIGHT,1995,37(10):788-791.
【5】Raad JA de, Dijkstra FH. Mechanized ultrasonic testing on girth welds during pipeline construction\[J\]. Materials Evaluation,1997,55(8):890-895.
【2】Ditchburn RJ, Burke SK, Scala CM. NDT of welds: state of the art\[J\]. NDT&E International,1999,29(2):111-117.
【3】Raj Baldev, Subramanian CV. Nondestructive testing of welds\[J\]. Materials Evaluation,1999,57(12):1251-1254.
【4】Passi GS, Shoef Y, Kritsky MV. Reducing the influence of human factors on the reliability of manual ultrasonic weld inspection\[J\]. INSIGHT,1995,37(10):788-791.
【5】Raad JA de, Dijkstra FH. Mechanized ultrasonic testing on girth welds during pipeline construction\[J\]. Materials Evaluation,1997,55(8):890-895.
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