A universal NDT method for examination of low energy impact damage in CFRP with the use of TLC film - Publikacja - MOST Wiedzy

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A universal NDT method for examination of low energy impact damage in CFRP with the use of TLC film

Abstrakt

The article presents an attempt to use a sheet of laminated thermochromic liquid crystal film (TLC film) for non-destructive testing of the impact damage (energy values: 1J, 2J, 3J and 4J) in carbon fibre-reinforced polymer (CFRP). This is a new, alternative NDT approach based on the thermo-optical effect. The main advantages of this method are a) the low cost of TLC film, b) the low cost of recording devices due to the usage of conventional digital recording equipment and c) the low requirements for tests. The TLC film method was compared with two other conventional NDT methods: computer radiography (CR) and active thermography (thermographic camera). The scatter of results regarding the average crack length (TLC film and active thermography) was ±5% in relation to the CR method. The damage area (impact energy 2J to 4J) showed a similar shape (TLC film vs active thermography) and the scatter of results for the TLC film was ±2% in relation to the active thermography method. Only the CR detected the damage caused by 1J impact energy. The comparative studies have proven that the described method (TLC film) is a fullfledged and accurate tool for NDT method for the diagnosis of impact damage in CFRP.

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Gabriel Strugała, Michał Klugmann, Michał Landowski, Marek Szkodo, Dariusz Mikielewicz. (2018). A universal NDT method for examination of low energy impact damage in CFRP with the use of TLC film, 33(3), 315-328. https://doi.org/10.1080/10589759.2018.1428323

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
Nondestructive Testing and Evaluation nr 33, strony 315 - 328,
ISSN: 1058-9759
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Strugała G., Klugmann M., Landowski M., Szkodo M., Mikielewicz D.: A universal NDT method for examination of low energy impact damage in CFRP with the use of TLC film// Nondestructive Testing and Evaluation. -Vol. 33, nr. 3 (2018), s.315-328

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