A Review of Current Status in Applying Special Radiographic Techniques to Pressure Equipment in China

نویسنده

  • Yan LI
چکیده

Special radiographic examination(RT) techniques for the common and special welded joints in pressure equipment are outlined, covering the tube-to-tube sheet joints of heat exchangers and the nozzle and branch joints of various vessels for which the examination procedures are more difficult. The characteristics and attention matters of mega-voltage radiography and the main points and difficulties in radioscopic real-time imaging techniques are pointed out. Finally, the state-of-art and future of digital radiography are described.

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تاریخ انتشار 2008