Tensile Fatigue Behavior of Polyester and Vinyl Ester Based GFRP Laminates—A Comparative Evaluation
Article
Article Title | Tensile Fatigue Behavior of Polyester and Vinyl Ester Based GFRP Laminates—A Comparative Evaluation |
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ERA Journal ID | 201391 |
Article Category | Article |
Authors | Ferdous, Wahid (Author), Manalo, Allan (Author), Yu, Peng (Author), Salih, Choman (Author), Abousnina, Rajab (Author), Heyer, Tom (Author) and Schubel, Peter (Author) |
Journal Title | Polymers |
Journal Citation | 13 (3), pp. 1-10 |
Article Number | 386 |
Number of Pages | 10 |
Year | 2021 |
Publisher | MDPI AG |
Place of Publication | Switzerland |
ISSN | 2073-4360 |
Digital Object Identifier (DOI) | https://doi.org/10.3390/polym13030386 |
Web Address (URL) | https://www.mdpi.com/2073-4360/13/3/386 |
Abstract | Fatigue loading is critical to fibre reinforced polymer composites due to their anisotropic and heterogenous nature. This study investigated the tensile fatigue behaviour of polyester and vinyl ester based GFRP laminates to understand the critical aspects of failure mode and fatigue life under cyclic loading. GFRP laminates with two different resin systems (polyester and vinyl ester), two different stress ratios (0.1 and 0.5) and two different environmental conditions (air and water) were investigated at an applied stress of 80%, 60%, and 40% of the ultimate capacity. Based on the investigated parameters (i.e., resin types, stress ratio, environmental conditioning, and maximum applied stress), a fatigue model was proposed. Results show that the resin system plays a great role in fatigue failure mode while the stress ratio and environmental condition significantly affect the tensile fatigue life of GFRP laminates. The types of resin used in GFRP laminates and environmental conditions as input parameters in the proposed fatigue model are a unique contribution. |
Keywords | fatigue, fibre composites, polyester and vinyl ester resins, stress ratio, fatigue model |
ANZSRC Field of Research 2020 | 400510. Structural engineering |
400505. Construction materials | |
Byline Affiliations | Centre for Future Materials |
Austrak, Australia | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q6336/tensile-fatigue-behavior-of-polyester-and-vinyl-ester-based-gfrp-laminates-a-comparative-evaluation
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