| 电子散斑测量仪及其在无损检测中的应用 |
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| 引用本文： | 范华,赵明涛.电子散斑测量仪及其在无损检测中的应用[J].半导体光电,1998,19(1):31-34. |
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| 作者姓名： | 范华 赵明涛 |
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| 作者单位： | 西安交通大学 |
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| 摘 要： | 介绍了一种电子散斑测量仪（ＥＳＰＩ），对其测量原理，仪器结构进行了描述，分析了热加载测量机理，用热加载方式对铝蒙皮蜂窝站结构复合航空材料脱粘缺陷进行了无损检测（ＮＤＴ）得到了满意的效果。
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| 关 键 词： | 光学仪器 电子散斑 相移 无损检测 |
ESPI measuring apparatus and its applications in NDT |
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| FAN Hua ZHAO Mingtao TAN Yushan.ESPI measuring apparatus and its applications in NDT[J].Semiconductor Optoelectronics,1998,19(1):31-34. |
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| Authors: | FAN Hua ZHAO Mingtao TAN Yushan |
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| Abstract: | An electronic speckle pattern interferometry(ESPI) measuring apparatus is presented.The principle of operation and the configuration of the apparatus are described.The mechanism of heat loading measurement is analyzed.By means of heat loading the off-stick defects of aluminum coated honeycomb structure for aeronautical composite are tested using this apparatus and satisfactory results are obtained |
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| Keywords: | Optical Instrument Electronic Speckle Pattern Interferometry Phase-shifting Non-destructive Testing |
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