Application of real-time holographic method to the microcrack nucleation process study

Bingheng Xiong; Zhengrong Wang; Xiaoxu Lu; Liyun Zhong; Yongan Zhang; Canlin She; Zhaoyong Xu; Runhai Yang; Jinming Zhao; Peilin Li; Peizhong Hua

doi:10.1117/12.402649

9 October 2000 Application of real-time holographic method to the microcrack nucleation process study

Bingheng Xiong, Zhengrong Wang, Xiaoxu Lu, Liyun Zhong, Yongan Zhang, Canlin She, Zhaoyong Xu, Runhai Yang, Jinming Zhao, Peilin Li, Peizhong Hua

Author Affiliations +

Proceedings Volume 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications; (2000) https://doi.org/10.1117/12.402649
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

The fracture process of uniformity solid is simulated by a series of transparent specimen in this study in order to discover relationships between the micro-crack nucleation process and the surrounding stress field. A real-time holographic interferometry is used to record the stress fields and its variations in the specimen while the wave-forms of ultrasonic emission stimulated by the micro-cracks are recorded by a transient automatic wave- form recorder to determine the time, location and intensity of the micro-cracks. The development process of fracture can be visualized clearly by this real-time holographic interferometry. The initial experimental study has brought some phenomena worthy of study. This method provides a powerful new approach for experimental mechanics and seismological research.

Citation Download Citation

Bingheng Xiong, Zhengrong Wang, Xiaoxu Lu, Liyun Zhong, Yongan Zhang, Canlin She, Zhaoyong Xu, Runhai Yang, Jinming Zhao, Peilin Li, and Peizhong Hua "Application of real-time holographic method to the microcrack nucleation process study", Proc. SPIE 4221, Optical Measurement and Nondestructive Testing: Techniques and Applications, (9 October 2000); https://doi.org/10.1117/12.402649

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