Short-beam shear fatigue life assessment of thermally cycled carbon–aluminium laminates with protective glass interlayers
| Autor: | Konrad Dadej, Jarosław Bieniaś, Patryk Jakubczak, Barbara Surowska |
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| Rok vydání: | 2021 |
| Předmět: |
Thermal shock
Materials science Structural material Mechanical Engineering chemistry.chemical_element 02 engineering and technology Temperature cycling Fibre-reinforced plastic 021001 nanoscience & nanotechnology Corrosion 020303 mechanical engineering & transports 0203 mechanical engineering chemistry Aluminium Service life Composite material 0210 nano-technology Beam (structure) Civil and Structural Engineering |
| Zdroj: | Archives of Civil and Mechanical Engineering. 21 |
| ISSN: | 1644-9665 |
| Popis: | Fibre metal laminates (FMLs) are attractive construction materials, especially for use in aerospace and transport facilities. Throughout their service life, thin-walled structures made of FMLs are exposed to static and dynamic loads, as well as corrosion and the unfavourable influence of environmental conditions. The paper presents an experimental analysis of the combined mechanical and environmental long-term behaviour of carbon-based fibre metal laminates and their variants with protective glass layers. The Al alloy/CFRP and Al alloy/GFRP/CFRP laminates in a 3/2 configuration were used. The tested laminates were subjected to 1500 thermal cycles with a temperature range of 130 °C. The static and fatigue interlaminar shear strengths were tested before and after thermal conditioning. It was shown that the stable stiffness reduction in the tested laminates was observed with increasing fatigue cycles, due to the progressive fatigue damage accumulation. The thermally cycled laminates feature slightly smoother stiffness loss, while a more rapid decrease was observed in thermally untreated laminates. Moreover, the fatigue life of the tested laminates subjected to thermal cycling revealed nine times fewer fatigue cycles of laminates with glass protectors after thermal cycles in comparison to the laminates not subjected to thermal cycling. |
| Databáze: | OpenAIRE |
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