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公开(公告)号：US5517861A
公开(公告)日：1996-05-21
申请号：US320817
申请日：1994-10-11
CPC分类号： G01N3/068 , G01N2021/8838 , G01N21/33 , G01N2203/0005 , G01N2203/0016 , G01N2203/0066 , G01N2203/0073 , G01N2203/0226 , G01N2203/0647
摘要： An apparatus for monitoring the growth of surface cracks in materials includes a servo-hydraulic test machine which applies a load to a specimen according to a predetermined loading regime designed to induce crack growth in the specimen, a UV laser for illuminating the specimen with a light having a frequency greater than the frequency of incandescent light, a UV video camera and a two dimensional imaging computer. Optionally, the two dimensional imaging computer can be used to control the servo-hydraulic test machine.
摘要翻译： 一种用于监测材料中表面裂纹生长的装置包括：伺服液压试验机，其根据设计用于引起试样中裂纹扩展的预定负载状态向试样施加载荷，用于用光照射试样的UV激光 具有大于白炽灯频率的频率，UV摄像机和二维成像计算机。 可选地，二维成像计算机可用于控制伺服液压测试机。
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2.发明授权公开(公告)号：US06768312B2
公开(公告)日：2004-07-27
申请号：US09875597
申请日：2001-06-06
IPC分类号： G01R3108
CPC分类号： G01N29/2493 , G01N29/09 , G01N29/12 , G01N29/2475 , G01N29/2481 , G01N29/348 , G01N29/42
摘要： A structural integrity monitoring system includes a piezoelectric sensor that is adapted to be secured to or embedded within an item of interest. A resistive element is placed in series with the piezoelectric sensor. An output from the series combination of the resistive element and the sensor is conditioned and then transmitted wirelessly to a remote location. An interface located at the remote location receives the transmitted signal, determines the content of the signal and provides an output indicative of the structural integrity of the item of interest.
摘要翻译： 结构完整性监测系统包括压电传感器，该压电传感器适于固定到或嵌入在感兴趣的物体内。 电阻元件与压电传感器串联放置。 来自电阻元件和传感器的串联组合的输出被调节，然后无线地传输到远程位置。 位于远程位置的接口接收所发送的信号，确定信号的内容并提供指示感兴趣物品的结构完整性的输出。
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公开(公告)号：US5673203A
公开(公告)日：1997-09-30
申请号：US623294
申请日：1996-03-28
申请人： Balkrishna S. Annigeri , Leroy H. Favrow , Robert J. Haas , Michael Winter , Ronald I. Holland, Jr. , Jason S. Wegge , David M. Sanford
发明人： Balkrishna S. Annigeri , Leroy H. Favrow , Robert J. Haas , Michael Winter , Ronald I. Holland, Jr. , Jason S. Wegge , David M. Sanford
CPC分类号： G01N3/02 , G01N19/08 , G01N2203/0066 , G01N2203/0647
摘要： An apparatus for monitoring the growth of surface cracks in materials includes a means for applying a load to a specimen to simulate actual use of the specimen, means for illuminating the specimen, means for capturing images of the specimen, and means for processing the images to monitor crack growth in the specimen. Optionally, the means for processing can be used to control the other means.
摘要翻译： 一种用于监测材料中表面裂纹生长的装置包括：用于向试样施加载荷以模拟样品的实际使用的装置，用于照射试样的装置，用于捕获试样的图像的装置，以及用于处理图像的装置 监测样品中的裂纹扩展。 可选地，用于处理的装置可以用于控制其他装置。
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公开(公告)号：US5539656A
公开(公告)日：1996-07-23
申请号：US321349
申请日：1994-10-11
申请人： Balkrishna S. Annigeri , Leroy H. Favrow , Robert J. Haas , Michael Winter , Ronald I. Holland, Jr. , Jason S. Wegge , David M. Sanford
发明人： Balkrishna S. Annigeri , Leroy H. Favrow , Robert J. Haas , Michael Winter , Ronald I. Holland, Jr. , Jason S. Wegge , David M. Sanford
CPC分类号： G01N3/02 , G01N19/08 , G01N2203/0066 , G01N2203/0647
摘要： An apparatus for monitoring the growth of surface cracks in materials includes a means for applying a load to a specimen to simulate actual use of the specimen, means for illuminating the specimen, means for capturing images of the specimen, and means for processing the images to monitor crack growth in the specimen. Optionally, the means for processing can be used to control the other means.
摘要翻译： 一种用于监测材料中表面裂纹生长的装置包括：用于向试样施加载荷以模拟样品的实际使用的装置，用于照射试样的装置，用于捕获试样的图像的装置，以及用于处理图像的装置 监测样品中的裂纹扩展。 可选地，用于处理的装置可以用于控制其他装置。
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