Artículo
Fatigue life of unidirectional 90° carbon/epoxy laminates made of conventional and ultra-thin plies varying manufacturing and testing conditions
Autor/es | Sánchez-Carmona, Serafín
Correa Montoto, Elena Barroso Caro, Alberto París Carballo, Federico |
Departamento | Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras |
Fecha de publicación | 2023 |
Fecha de depósito | 2023-02-15 |
Publicado en |
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Resumen | Unidirectional 90° laminates (UD-90) have been tested under tension–tension loading (R = 0.1) to comprehend the effect of different conditions on their fatigue life. Four different case studies have been evaluated: the ... Unidirectional 90° laminates (UD-90) have been tested under tension–tension loading (R = 0.1) to comprehend the effect of different conditions on their fatigue life. Four different case studies have been evaluated: the existence of porosity using two different UD-90 laminates cured at different pressures in an autoclave, the importance of the surface finishing when a pressure plate is used, the effect of load frequency, and the relevance of the prepreg thickness comparing 190 and 50 g/m2 prepregs while keeping the total thickness of the laminates constant. All these case studies have been analyzed employing S–N curves as the starting point of the authors' current research for the prediction of the onset of transverse damages in ultra-thin plies in the assessment of different cross-ply laminates under cyclic loading. |
Agencias financiadoras | Universidad de Sevilla Consejería de Economía y Conocimiento, Junta de Andalucía Ministerio de Ciencia, Innovación y Universidades (MICINN). España |
Identificador del proyecto | VIPPIT-2018-II.2
P18-FR-3360 PID2021-126279OB-I00 |
Cita | Sánchez-Carmona, S., Correa, E., Barroso, A. y París, F. (2023). Fatigue life of unidirectional 90° carbon/epoxy laminates made of conventional and ultra-thin plies varying manufacturing and testing conditions. Fatigue & Fracture of Engineering Materials & Structures, 46, 1837–1847 https://doi.org/doi.org/10.1111/ffe.13966. |
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