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JIANG Ye1, WANG Dong1, QIN Xiaoyang2, LIU Wensheng1, JIA Shaowei1. Ultrasonic phased array inspection on welded crack of austenitic dissimilar ateel with thin wall and small diameter tube[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(8): 119-122. DOI: 10.12073/j.hjxb.2018390213
Citation: JIANG Ye1, WANG Dong1, QIN Xiaoyang2, LIU Wensheng1, JIA Shaowei1. Ultrasonic phased array inspection on welded crack of austenitic dissimilar ateel with thin wall and small diameter tube[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(8): 119-122. DOI: 10.12073/j.hjxb.2018390213
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Ultrasonic phased array inspection on welded crack of austenitic dissimilar ateel with thin wall and small diameter tube

  • 1. Central China Branch, China Datang Group Science and Technology Research Institute Co., Ltd., Zhengzhou 450000, China;
    2. Datang Sanmenxia Power Generation Co., Ltd., Sanmenxia 472100, China

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  • Received Date: June 29, 2017
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    • Abstract
  • Ultrasonic phased array technology is applied to crack detection of austenitic dissimilar steel thin-walled small diameter pipe butt welds, using special ultrasonic phased array transducer and wedge, determining test parameters by simulation, and making comparative samples for experimental research. The results show that the technique can effectively detect the artificial defects of the inner and outer wall defects of 5 mm length and 0.2 mm width and 1 mm deep, and the weld surface cracks can be accurately quantitative analysis.
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