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Progress in Research of Electromagnetic Acoustic Transducer Technique for the Plate-Like Structure Defect Detection
Author(s): 
Pages: 60-66
Year: Issue:  10
Journal: Nondestructive Testing

Keyword:  板状结构 电磁声换能器 聚焦 超声波成像;
Abstract: 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。
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