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[65700] Artykuł:

Time-frequency analysis of acoustic emission signals generated by the Glass Fibre Reinforced Polymer Composites during the tensile test

Czasopismo: IOP Conference Series: Materials Science and Engineering   Tom: 251, Strony: 1-8
ISSN:  1757-8981
ISBN:  978-953-290-088-0
Wydawca:  IOP PUBLISHING LTD, DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
Opublikowano: 2017
Seria wydawnicza:  IOP Conference Series-Materials Science and Engineering
Liczba arkuszy wydawniczych:  1.00
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3
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przynależności
Dyscyplina
naukowa
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do oceny pracownika
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kryteriów ewaluacji
Grzegorz Świt orcid logo WBiAKatedra Wytrzymałości Materiałów, Konstrukcji Betonowych i Mostowych *****Takzaliczony do "N"Inżynieria lądowa, geodezja i transport507.505.00  
Anna Adamczak orcid logo WBiAKatedra Wytrzymałości Materiałów, Konstrukcji Betonowych i Mostowych *****Niespoza "N" jednostkiInżynieria lądowa, geodezja i transport355.25.00  
Aleksandra Krampikowska orcid logo WBiAKatedra Wytrzymałości Materiałów, Konstrukcji Betonowych i Mostowych *****Takzaliczony do "N"Inżynieria lądowa, geodezja i transport152.255.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper


Pełny tekstPełny tekst     DOI LogoDOI     Web of Science Logo Web of Science    
Słowa kluczowe:

emisja akustyczna  kompozyty polimerowe  identyfikacja wad  analiza czasowo-częstotliwościowa sygnału AE 


Keywords:

acoustic emission  polymer composites  time-frequency analysis of acoustic emission signals  identification of defects 



Streszczenie:

Kompozyty polimerowe wzmocnione włóknem dominują obecnie na rynku materiałów kompozytowych. Brak szczegółowej wiedzy o ich właściwościach i zachowaniu w różnych warunkach ekspozycji pod obciążeniem znacznie ogranicza szerokie możliwości zastosowania tych materiałów. Występowanie i gromadzenie wad materiału podczas eksploatacji konstrukcji prowadzi do zmiany jej stanu technicznego. Konieczność kontrolowania stanu kompozytu jest zatem uzasadniona. W tym celu można zastosować nieniszczącą metodę emisji akustycznej.




Abstract:

Fibre reinforced polymer composites are currently dominating in the composite
materials market. The lack of detailed knowledge about their properties and behaviour in various
conditions of exposure under load significantly limits the broad possibilities of application
of these materials. Occurring and accumulation of defects in material during the exploitation
of the construction lead to the changes of its technical condition. The necessity to control
the condition of the composite is therefore justified. For this purpose, non-destructive method
of acoustic emission can be applied. This article presents an example of application of acoustic
emission method based on time analysis and time-frequency analysis for the evaluation
of the progress of the destructive processes and the level of degradation of glass fibre reinforced
composite tapes that were subject to tensile testing.



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