Methods of ultrasonic testing, as an effective way of estimating durability and diagnosing operational capability of composite laminates used in aerospace industry

• Autorzy: Bieniaś J. , Jakubczak P. , Majerski K. , Ostapiuk M. , Surowska B.

Warianty tytułu

PL

Metody badań ultradźwiękowych, jako efektywny sposób szacowania trwałości oraz diagnozowania zdolności eksploatacyjnych laminatów kompozytowych stosowanych w lotnictwie

• Języki publikacji: EN PL

Abstrakty

EN

The paper presents selected issues in the field of exploitation research and the prediction capabilities of durability of composite laminates by ultrasonic methods used in the aerospace industry. Some research methods allow to set the quality parameters and operating in real aircraft structures. The study determined the relationship between the amplitude decrease of the ultrasonic wave and the level of porosity for hand lay-up manufactured glass / epoxy laminate using the method Through-Transmission of representative in C (TT C-Scan). In addition, showing the ability of amplitude attenuation imaging methods to detect and determine the extent of damage of high quality laminate and metal fiber composite after at low-dynamic velocity. It was specified real area an internal damage in FML laminates subjected to dynamic impact on low-energy, for which there was no visible damage in the outer layers. The study also determined the relationship between energy and the impact of dynamic surface area in testing laminates.

PL

W pracy przedstawiono wybrane zagadnienia z zakresu badań zdolności eksploatacyjnych oraz prognozowania trwałości metodami ultradźwiękowymi laminatów kompozytowych stosowanych w przemyśle lotniczym. Wybrane metody badawcze umożliwiają określenie parametrów jakościowych jak i eksploatacyjnych rzeczywistych struktur lotniczych. W pracy określono zależność pomiędzy wartością spadku amplitudy fali ultradźwiękowej a poziomem porowatościdla wytworzonego metodą laminowania ręcznegolaminatu szklano/epoksydowego przy użyciu metody Through-Transmissionw zobrazowaniu w trybie C (TT C-Scan). Dodatkowo pokazano zdolność metody obrazowania tłumienia amplitudowego do wykrywania i określania wielkości uszkodzeń wysokojakościowych laminatów kompozytowych i metalowo włóknistych po uderzeniach dynamicznych o niskich prędkościach. Określono rzeczywiste pola powierzchni uszkodzeń wewnętrznych laminatów FML poddanych uderzeniom dynamicznym o niskich energiach, dla których nie odnotowano widocznych uszkodzeń w warstwach zewnętrznych. W pracy wyznaczono również zależność pomiędzy energią uderzenia dynamicznego a polem powierzchni uszkodzenia badanych laminatów.

Słowa kluczowe

EN

composites; impact resistance; porosity; ultrasonic testing

PL

kompozyty; odporność na udar; porowatość; badania ultradźwiękowe

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2013
• Tom: Vol. 15, no. 3
• Strony: 284--289
• Opis fizyczny: Bibliogr. 39 poz.

Twórcy

autor

Bieniaś J.

autor

Jakubczak P.

autor

Majerski K.

autor

Ostapiuk M.

autor

Surowska B.

• Department of Materials Engineering Faculty of Mechanical Engineering Lublin University of Technology ul. Nadbystrzycka 36, 20-618 Lublin, Poland,

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