10.14489/td.2016.06.pp.066-071

2016, 06 June

DOI: 10.14489/td.2016.06.pp.066-071

Stepanova L.N., Anokhin G.G., Kabanov S.I., Ramazanov I.S., Chernova V.V.
IMPROVING ACOUSTIC EMISSION LOCATIONS OF DEFECTS DURING STRENGTH TESTING OF CFRP STRUCTURES
(pp. 66-71)

Abstract. The article is dedicated to the comparative analysis of the application of the analytical and tabular methods for determining the times of arrival of the signals of acoustic emission (AE) to the acoustic sensors of a piezo antenna. The strength tests of the samples made of CFRP T700 with different thickness and type of reinforcement stacking of monolayers were conducted. The samples have the stress concentrators in the form of impact or the holes of diameter d =14 mm. After the development of the defects control methods in static testing of the samples, studies of the spar of the horizontal tail of plane CFRP were conducted.

Keywords: carbon fiber reinforced plastic (CFRP), acoustic emission, static loading, sample, longeron, location.

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L. N. Stepanova, G. G. Anokhin, S. I. Kabanov, I. S. Ramazanov (Federal State Unitary Enterprise “Siberian Aeronautical Research Institute named after S. A. Chaplygin”, Novosibirsk, Russia) E-mail: aergroup@ ngs.ru
V. V. Chernova (Siberian Transport University STU, Novosibirsk, Russia)

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DOI: 10.14489/td.2016.06.pp.066-071

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