Artículo
Experimental observations of fatigue damage in cross-ply laminates using carbon/epoxy ultra-thin plies
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 | 2023-02-15 |
Fecha de depósito | 2023-01-09 |
Publicado en |
|
Premios | Premio Trimestral Publicación Científica Destacada de la US. Escuela Técnica Superior de Ingeniería |
Resumen | The damage mechanisms of cross-ply laminates under fatigue loading have been deeply studied during last years. In the case of quasi-static loads the so-called scale effect has recently acquired renewed importance after the ... The damage mechanisms of cross-ply laminates under fatigue loading have been deeply studied during last years. In the case of quasi-static loads the so-called scale effect has recently acquired renewed importance after the appearance of ultra-thin plies. In this work, the experimental observation of the onset of transverse damage and its progression in two different cross-ply laminates under tension–tension cyclic loading is performed. First, a [04/903/04] laminate made of plies with conventional thickness (150 g/m2) is analysed. After looking for the expected fatigue damage mechanisms in this case, a [04/90/04] laminate with a single ultra-thin 90⁰ ply (30 g/m2) is studied. All specimens have been carefully examined by means of an optical microscope, detecting the expected damage mechanisms for [04/903/04] and non-conventional types of damages for [04/90/04]. The change of fatigue damage mechanisms for cross-ply laminates involving an ultra-thin 90⁰ ply is microscopically detailed, meaning the evidence of the delay of transverse damage onset in the 90° layer under cyclic loading. This evidence shows the existence of a scale effect concerning the appearance of the fatigue damage mechanisms. |
Identificador del proyecto | VIPPIT-2018-II.2
P18-FR-3360 |
Cita | Sánchez-Carmona, S., Correa, E., Barroso, A. y París, F. (2023). Experimental observations of fatigue damage in cross-ply laminates using carbon/epoxy ultra-thin plies. Composite Structures, 306, 116564. https://doi.org/10.1016/j.compstruct.2022.116564. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
CS_2023_Sánchez-Carmona_experi ... | 2.035Mb | [PDF] | Este documento no está disponible a texto completo hasta el 2025-02-16 . Para más información póngase en contacto con idus@us.es. | |