Email this article Studying Stability of CFRP Composites to Low-Energy Impact Damage by Laser Vibrometry
- Authors: Shpil’noi V.Y.1, Vavilov V.P.1, Derusova D.A.1,2, Krasnoveikin V.A.2
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Affiliations:
- Tomsk Polytechnic University
- Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences
- Issue: Vol 55, No 9 (2019)
- Pages: 639-647
- Section: Acoustic Methods
- URL: https://journals.rcsi.science/1061-8309/article/view/181959
- DOI: https://doi.org/10.1134/S1061830919090080
- ID: 181959
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Abstract
Nondestructive quality control of small-thickness composites is an important scientific and technical problem due to significant damage inflicted on materials even with minor impact loads. The stability of a 1-mm–thick CFRP composite to impact damage with an energy of up to 10 J has been investigated. Special attention has been paid to the analysis of the “visible” area of defects formed as a result of successive striking with increasing and decreasing energy in the range from 1 to 5 J. The area of defect indications was estimated by analyzing the images of vibrations at the surface of the composite produced by its acoustic stimulation and laser vibroscanning.
About the authors
V. Yu. Shpil’noi
Tomsk Polytechnic University
Email: red@tpu.ru
Russian Federation, Tomsk, 634028
V. P. Vavilov
Tomsk Polytechnic University
Email: red@tpu.ru
Russian Federation, Tomsk, 634028
D. A. Derusova
Tomsk Polytechnic University; Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences
Author for correspondence.
Email: red@tpu.ru
Russian Federation, Tomsk, 634028; Tomsk, 634055
V. A. Krasnoveikin
Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences
Email: red@tpu.ru
Russian Federation, Tomsk, 634055
