Application of holographic interferometry to evaluate dynamic and material characteristics in a bonded compliant structure

Howard Fein

doi:10.1117/12.206213

12 April 1995 Application of holographic interferometry to evaluate dynamic and material characteristics in a bonded compliant structure

Howard Fein

Author Affiliations +

Proceedings Volume 2406, Practical Holography IX; (1995) https://doi.org/10.1117/12.206213
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States

Abstract

Complex compliant structures have often been very difficult to characterize with the usual radiographic, ultrasonic, or similarly macroscopic analytical techniques. Such structures can present great variations in density; extremes in bond types and strength at interfaces; deeply buried anomalies within the volume of the compliant structure itself; as well as unusual geometries which obviate various analytical methods. These are ideal requisites for analysis with both real-time and multi-exposure holographic techniques. The operational and material characteristics of a complex bonded component of virtually any configuration and size depends on its true structural dynamics. These dynamics are directly related to the mechanical and physical interfaces between the supporting and compliant parts. Such complex assemblies require sophisticated bonding and processing of compliant and rigid materials. Understanding the effects of structural anomalies and defects is of critical importance, and a non-destructive method for the visualization of anomalous structural characteristics would be of great value in both development and testing. Holographic interferometry has presented itself as a viable and useful method for the realization of this type of information.

Citation Download Citation

Howard Fein "Application of holographic interferometry to evaluate dynamic and material characteristics in a bonded compliant structure", Proc. SPIE 2406, Practical Holography IX, (12 April 1995); https://doi.org/10.1117/12.206213

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