Effect of fibre volume on tensile properties of real unidirectional fibre-reinforced composites |
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| Affiliation: | 1. Department of Aeronautical and Mechanical Engineering, Technological Institute of Aeronautics, Praça Marechal Eduardo Gomes 50, 12228-900 São José dos Campos, SP, Brazil;2. Department of Production Engineering, Federal University of São Carlos, UFSCar-Sorocaba Rodovia João Leme dos Santos (SP-264), Km 110, 18052-780 Sorocaba, SP, Brazil;3. Institute of Science and Technology, Federal University of São Paulo, UNIFESP Rua Talim 330, 12231-280 São José dos Campos, SP, Brazil |
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| Abstract: | A simple theoretical model is proposed to account for the effect of high fibre loading on the tensile properties of real, unidirectionally reinforced fibre composites. Based on the reduction of interfacial surfaces due to fibre-fibre interaction, a modification to the rule of mixtures is proposed. The experimentally observed non-linear variation of tensile strength with fibre volume can be predicted by the modified rule. Experimental data from the literature are used to validate and verify the model and show good agreement with the predictions. |
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