Ultrasonic testing of CFRP monolith structures radius zones by radius phased array and special device

Boychuk A.S., Dikov I.A., Chertishchev V.Yu., Generalov A.S., Gorbovets M.A.
UDC
620.179
DOI
10.18577/2307-6046-2023-0-5-111-123
Article PDF (Russian) (1.22 MB)
How to cite
Boychuk A.S., Dikov I.A., Chertishchev V.Yu., Generalov A.S., Gorbovets M.A. Ultrasonic testing of CFRP monolith structures radius zones by radius phased array and special device // Proceedings of VIAM. 2023. No. 5. DOI: 10.18577/2307-6046-2023-0-5-111-123. URL: https://test.viam.ru/en/journal/2023/5/10
Keywords
fiber reinforced plastics (FRP), carbon fiber-reinforced plastics (CFRP), radius zone, non-destructive testing, ultrasonic pulse-echo method, phased array
Abstract

The paper is devoted to nondestructive testing of CFRP monolithic structures radius zones. Manual ultrasonic testing technique by radius phased array and special device is proposed by the authors. Technique allows non-destructive testing of such zones with different radii and bending angles of structures from the inside without testing object immersing in a water container. Technique makes it possible to detect flat defects in radius zones such as extraneous inclusions and voids with diameter from 3 mm and a signal-to-noise ratio of more than 10 dB.

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