Determination and verification of mechanical properties of gfrp filament wound pipes

• Autorzy: Krzysztoporski Michał , Paczkowska Karolina , Pacholec Zuzanna , Błażejewski Wojciech

Identyfikatory

DOI

10.62753/ctp.2024.04.3.3

• Języki publikacji: EN

Abstrakty

EN

Filament winding is an efficient and versatile manufacturing technique utilised to create lightweight high-strength composite structures. Glass fiber reinforced polymers (GFRP) are widely used in filament winding and can be characterised by high tensile strength, corrosion resistance, and favourable stiffness-to-weight ratios. These properties make GFRP composites suitable for various industries such as aerospace, automotive, marine, and civil engineering. Despite their widespread use, accurately identifying and verifying the mechanical properties of GFRP filament wound structures presents significant challenges. This study addresses these challenges by presenting methods to ascertain and verify the mechanical properties of GFRP filament wound pipes. Commercial pipes from Plaston-P composed of an inner PVC layer and an outer shell of glass fiber roving and mat impregnated with polyester resin were examined. Various mechanical tests were conducted, including tensile, compression, and shear tests, following ASTM standards. This paper describes the steps taken to prepare the specimens required for those tests with a strong focus on reproducing the most representative structure, highlighting potential inaccuracies in parameter identification. Finite element (FE) simulations were performed to verify the obtained parameters, using a nonlinear orthotropic material model with a progressive failure approach. The results showed that the simulated value of the apparent tensile strength of the specimen is 75.94 MPa. The fracture of the element was initiated by failure of the roving- resin layers, which was sudden and brittle. The simulation results were compared with the experimental data obtained from split disk tests according to ASTM D2290. The average apparent tensile stress from the experiment was 80.65 MPa and the specimens failed in a brittle manner. The comparison showed a satisfactory correlation between the simulation and the experiment with a value difference of approximately 6 %. The failure mechanism was also identical. It proves that the adopted method of identification allows the mechanical properties to be characterised correctly. Future research will focus on improving the correlation between the simulation and experiment by incorporating parameters to account for delamination and continuous damage of the composite.

Słowa kluczowe

EN

filament winding; glass fiber reinforced polymers (GFRP); finite element (FE) simulation; progressive failure analysis; materials testing; split disk test

PL

uzwojenie żarnika; polimery wzmocnione włóknem szklanym (GFRP); symulacja elementów skończonych (FE); progresywna analiza uszkodzeń; testowanie materiałów; test podzielonego dysku

• Wydawca: Polskie Towarzystwo Materiałów Kompozytowych
• Czasopismo: Composites Theory and Practice
• Rocznik: 2024
• Tom: R. 24, nr 3
• Strony: 188--193
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Krzysztoporski Michał

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Department of Mechanics, Materials and Biomedical Engineering ul. Mariana Smoluchowskiego 25, 50-370 Wrocław, Poland

autor

Paczkowska Karolina

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Department of Mechanics, Materials and Biomedical Engineering ul. Mariana Smoluchowskiego 25, 50-370 Wrocław, Poland

autor

Pacholec Zuzanna

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Department of Mechanics, Materials and Biomedical Engineering ul. Mariana Smoluchowskiego 25, 50-370 Wrocław, Poland

autor

Błażejewski Wojciech

• Wrocław University of Science and Technology, Faculty of Mechanical Engineering, Department of Mechanics, Materials and Biomedical Engineering ul. Mariana Smoluchowskiego 25, 50-370 Wrocław, Poland

Bibliografia

• 1. Cadfil manual, Available from: https://www.cadfil.com/help/html/cadfil-fea-interface.html, Acces: 2023, May 12.
• 2. Koussios S., Filament Winding: A Unified Approach, IOS Press, 2004.
• 3. Faria H., Analytical and Numerical Modelling of the Filament Winding Process, PhD Thesis, Universidade do Porto 2013.
• 4. Błażejewski W., Kompozytowe zbiorniki wysokociśnieniowe wzmocnione włoknami według wzorow mozaikowych, Oficyna Wydawnicza Politechniki Wrocławskiej, Wrocław 2013.
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• 6. ISO Standard. ISO 8521 – Plastics piping systems – Glassreinforced thermosetting plastics (GRP) pipes and fittings Test methods for the determination of the initial longitudinal tensile properties.
• 7. ISO Standard. ISO 7685:2019 Glass-reinforced thermosetting plastics (GRP) pipes – Determination of initial ring stiffness.
• 8. АSTM Standard. ASTM 2290-12 Standard Test Method for Apparent Hoop Tensile Strength of Plastic or Reinforced, ASTM B Stand.
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• 18. Zacharakis I., Giagopoulos D., Arailopoulos A., Markogiannaki O., Optimal finite element modeling of filament wound CFRP tubes, Eng. Struct. 2022, 253 (June 2021), 113808, DOI: 10.1016/j.engstruct.2021.113808.