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1 April 2010 Progress on developing acoustic-infrared imaging NDE: studying motions in crack faces
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In this paper, we present our progress in the CAREER project "Investigation of Hybrid Acoustic-Infrared NDE Imaging Mechanisms" supported by NSF Civil, Mechanical & Manufacturing Innovation Division, Sensors & Sensing Systems program directed by Dr. Shih-Chi Liu. The project ended in September, 2009. During the project, the PIs and her graduate students had investigated on several aspects of the innovative Sonic Infrared Imaging technology. Sonic Infrared Imaging is a novel technique which implements the concept of combining infrared (IR) sensing and imaging with pulsed (typically a fraction of a second) sonic/ultrasonic excitation. This technique has significant advantages over traditional NDE techniques as an effective, fast, and wide-area NDE method. The PI has studied the fundamental issues related to this technology, such as the non-linear vibration behavior induced in the target materials and structures through both experimental study and theoretical calculation.
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Xiaoyan Han and Md. Sarwar Islam "Progress on developing acoustic-infrared imaging NDE: studying motions in crack faces", Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010, 76473L (1 April 2010);

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