Estimation of porosity determination possibility in CFRP by ultrasonic through transmission method

Boychuk A.S., Chertishchev V.Yu., Dikov I.A., Generalov A.S.
UDC
678.747.2:620.19
DOI
10.18577/2307-6046-2017-0-7-11-11
Article PDF (Russian) (756.1 KB)
How to cite
Boychuk A.S., Chertishchev V.Yu., Dikov I.A., Generalov A.S. Estimation of porosity determination possibility in CFRP by ultrasonic through transmission method // Proceedings of VIAM. 2017. No. 7. DOI: 10.18577/2307-6046-2017-0-7-11-11. URL: https://test.viam.ru/en/journal/2017/7/11
Keywords
carbon fiber reinforced plastic (CFRP), porosity, nondestructive testing, through transmission method.
Abstract

Fiber reinforced plastics (FRP) especially carbon-based plastics (CFRP) is widely used in aircraft structures at present time. Porosity determination of parts and structures full area by nondestructive testing technique is one of the difficulties for specialists in production process. For that purpose the results of ultrasonic through transmission method application are given in this paper. The researches of CFRP specimens without porosity and with 4–5% level of volume porosity were carried out. The results are shown correlation of the level of volume porosity vs. through transmitted pulse amplitude and the response spectrum center frequency. Consequently ultrasonic through transmission method can be useful for the CFRP porosity estimation.

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