Bei & Ocean
Method for detecting mechanoresponse of mechanical component by organic mechanoresponsive luminogen
The present invention discloses a method for detecting the mechanical response of a mechanical component by an organic mechanoresponsive fluorescent material, comprising the following steps of: selecting an organic mechanoresponsive fluorescent material; preparing an organic mechanoresponsive fluorescent material solution; forming a film on a metal surface; calibrating fluorescence intensity and obtaining the fluorescence intensity and distribution in a crack tip area; observing the fluorescence signal generated at cracks to monitor the occurrence of fatigue cracks, and predict a propagation pathway of fatigue cracks by using the fluorescence intensity distribution in the crack tip area.
The Hong Kong University of Science and Technology Tianjin University
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Zhe Zijie Xu Benzhong Weijun
Zhang Qiu Chen Tang Zhao