1. 西北大学化工学院
2. 中化化工科学技术研究总院有限公司
纸质出版:2024
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张金阳, 刘倩, 王珅, 等. 脉冲电磁式EMAT-涡流检测复合系统的研究[J]. 传感器与微系统, 2024,(3):43-46+51.
张金阳, 刘倩, 王珅, 等. 脉冲电磁式EMAT-涡流检测复合系统的研究[J]. 传感器与微系统, 2024,(3):43-46+51. DOI: 10.13873/J.1000-9787(2024)03-0043-04.
常规电磁超声换能器(EMAT)中永磁体难以应用于实际情况、产生的信号幅值较小,根据电磁超声检测和涡流检测在检测范围内的互补性,本文设计了脉冲电磁式EMAT—涡流检测复合传感器结构,采用多物理场耦合技术验证了复合检测方法的可行性,并讨论了影响传感器检测灵敏度的关键参数。结果表明:该复合传感器能够激发用于检测表面缺陷的涡流信号和检测深层缺陷的超声波信号,并且对不同宽度和深度缺陷具有良好的灵敏度;此外,对励磁线圈与涡流线圈进行参数优化设计,为电磁超声和涡流的复合检测应用提供思路。
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