| PVDF梳状传感器及在超声导波检测中的应用 |
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| 引用本文： | 何存富,葛海燕,焦敬品,吴斌.PVDF梳状传感器及在超声导波检测中的应用[J].无损检测,2007,29(1):32-35. |
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| 作者姓名： | 何存富 葛海燕 焦敬品 吴斌 |
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| 作者单位： | 北京工业大学,机械工程与应用电子技术学院,北京,100022 |
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| 基金项目： | 国家自然科学基金;北京市自然科学基金;北京市教委资助项目 |
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| 摘 要： | 为了减少多模态现象对超声导波检测的影响，设计制作了偏聚氟乙烯（PVDF）梳状传感器，在薄钢板中进行超声导波检测试验研究。结果表明，这种传感器可以实现单一模态超声导波的激励与接收，并可实现薄钢板表面污物的检测。
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| 关 键 词： | 超声导波 梳状传感器 污物检测 |
| 文章编号： | 1000-6656（2007）01-0032-04 |
| 收稿时间： | 2005-09-12 |
| 修稿时间： | 2005-09-12 |
PVDF Comb Transducer for Controlling Guided Wave Mode and Application in Inspection |
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| HE Cun-fu,GE Hai-yan,JIAO Jing-pin,WU Bin.PVDF Comb Transducer for Controlling Guided Wave Mode and Application in Inspection[J].Nondestructive Testing,2007,29(1):32-35. |
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| Authors: | HE Cun-fu GE Hai-yan JIAO Jing-pin WU Bin |
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| Affiliation: | College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China |
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| Abstract: | In order to avoid the presence of several guided wave modes at particular frequencies, the process of designing and fabricating PVDF comb transducer was discussed in detail. Experiments were conducted with a PVDF comb transducer mounted on a thin steel plate. The results showed that a single guided wave mode was achieved by a PVDF comb transducer in a controlled frequency. The application of PVDF comb transducer in fouling detection on the thin steel plate was also discussed. |
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| Keywords: | PVDF |
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