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    板状结构缺陷电磁超声导波检测技术研究进展

    Progress in Research of Electromagnetic Acoustic Transducer Technique for the Plate-Like Structure Defect Detection

    • 摘要: 概述了国内外板状结构缺陷电磁超声导波检测技术的研究进展。从激发兰姆波的电磁超声换能器(EMAT)技术、EMAT的优化设计、超声导波聚焦、EMAT接收信号超声波成像技术等方面,对板状结构缺陷无损检测技术取得的突破进行了评述。提出了有待进一步解决的问题。

       

      Abstract: The recent research advances in Electromagnetic Acoustic Transducer technique for the plate-like structure defect detection were reviewed. An important introduction about progresses in Electromagnetic Acoustic Transducer Technique for the plate-like structure defect detection was given including lamb wave generation with EMAT, design and optimization of EMAT, ultrasonic guided wave focusing technique and imaging technique. Some direction or issues which should be further researched and its benefit for this technique to be popularized and applied were put out also.

       

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