Estimation of impact damages area in FRP by various ultrasonic techniques

Boychuk A.S., Dikov I.A., Generalov A.S.
UDC
678.8
DOI
10.18577/2307-6046-2022-0-7-125-133
Article PDF (Russian) (767.92 KB)
How to cite
Boychuk A.S., Dikov I.A., Generalov A.S. Estimation of impact damages area in FRP by various ultrasonic techniques // Proceedings of VIAM. 2022. No. 7. DOI: 10.18577/2307-6046-2022-0-7-125-133. URL: https://test.viam.ru/en/journal/2022/7/11
Keywords
fiber reinforced plastics (FRP), carbon fiber reinforced plastics (CFRP), impact damages, nondestructive testing, ultrasonic techniques, pulse-echo method, through-transmission technique, impedance method
Abstract

Estimation of impact damages area in CFRP specimens after impact is described at the article. It is shown that nondestructive testing and damages sizes estimation can be carried out by ultrasonic through transmission, echo and mechanical impedance analysis techniques. A comparative analysis of the estimation of impact damages areas by these techniques was carried out. The best accuracy in estimation of impact damages sizes can be obtained by using an automated ultrasonic echo technique in combination with focused transducers, as well as ultrasonic phased arrays.

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