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《Ordnance Material Science and Engineering》 2007-04
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Research of the ultrasonic C-scan technique for EBW seam

XU Xiang-qun,NI Pei-jun,ZHANG Wei-guo(Ningbo Branch of China Academy of Ordnance Science,Ningbo 315103,China)  
The ultrasonic C-scan testing method is used in detecting electron beam welding( EBW) seam.Through designing and making simulation reference block for EBW seam,the ultrasonic C-scan testing method is studied.It shows that the ultrasonic C-scan technique can not only identifies and locates the defect,but also precisely measures the defect size.
【CateGory Index】: TG441.7
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