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Artículo
Design for a cruciform coupon used for tensile biaxial transverse tests on composite materials
(Elsevier, 2017-06)
This paper focuses on the design of the appropriate geometry for cruciform coupons conceived to be tested under tensile biaxial transverse loads. To this end, Finite Element models were developed and their results were ...
Ponencia
Estudio experimental a fatiga de laminados unidireccionales a 90⁰
(Grupo Español de Fractura, 2021-06-08)
La vida a fatiga de laminados unidireccionales a 90⁰ (UD-90) ha sido estudiada ante distintas condiciones de carga cíclica Tracción-Tracción (R=0.1). En primer lugar, el efecto de la porosidad se ha evaluado usando dos ...
Tesis Doctoral
Damage and failure mechanisms under fatigue in long fibre composites with ultra-thin plies
(2023-07-05)
El estudio del comportamiento a fatiga de los materiales compuestos es de gran interés en el ámbito científico debido al carácter no estático de las cargas que sufre una estructura en servicio. En los últimos años, la ...
Ponencia
Design of a cruciform specimen for biaxial transverse tests
(Asociación Española de Materiales Compuestos (AEMAC), 2013-07)
The objective of this paper is the design of the adequate geometry of the cruciform specimens to be tested under biaxial transverse loads. To this end Finite Element models have been developed. The analysis of the results ...
Artículo
Experimental observations of fatigue damage in cross-ply laminates using carbon/epoxy ultra-thin plies
(Elsevier, 2023-02-15)
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 ...
Ponencia
Behaviour of fibre/matrix interface cracks under biaxial stress state caused by edge effect in carbon/epoxy laminates
(Asociación Española de Materiales Compuestos (AEMAC), 2024-01)
A recent study about the ''edge effect'' phenomenon in cross-ply laminates made of ultrathin plies composites has shown the presence of a relevant stress component through the laminate thickness. This fact implies that ...
Ponencia
Manufacturing and testing of a cruciform coupon for biaxial transverse tests
(International Committee on Composite Materials, 2015)
The present study deals with the manufacturing of cruciform coupons to be tested under tensile biaxial transverse loads. The objective is to obtain a geometry that minimizes the effect of stress concentrations, maximizes ...
Artículo
Numerical and experimental analysis of ultra-thin plies in carbon/epoxy cross-ply laminates subjected to bending after tensile cyclic loading
(Elsevier, 2023-12)
As a result of a fatigue testing campaign in cross-ply laminates with different thicknesses in the 90° ply block (conventional and ultra-thin), different cracking patterns were observed. While laminates with conventional ...
Ponencia
Experimental assessment of fatigue damage mechanisms in [04/90n]s laminates using carbon-epoxy ultrathin plies
(2021-06-25)
The damage mechanisms of cross-ply laminates under fatigue loading have been deeply studied during last years. In this work, the experimental assessment of two different cross-ply laminates under T-T loading (stress ratio ...
Ponencia
Device for biaxial testing in uniaxial machines. Design, manufacturing and experimental results using cruciform specimens of composite materials
(Asociación Española de Materiales Compuestos (AEMAC), 2013-07)
The present work deals with the design and manufacturing of a mechanical device to perform biaxial testing in universal (uniaxial) testing machines. A review of previous similar proposals is carried out and a new ...