Zerrendatu honen arabera: egilea "c514d5cd92b8cd891cb1f16ad2ab0bd5"
-
Analysis of axial crushing behaviour of unsaturated polyester and vinyl ester composites manufactured by out of die ultraviolet cured pultrusion
Sáenz Domínguez, Iván; Tena Merino, Iosu; Esnaola, Aritz; Sarrionandia, Mariasun; Aurrekoetxea, Jon (2018)This paper analyses the axial crushing behaviour and flexural properties of novel unsaturated polyester (UP) and vinyl ester (VE) composites, manufactured by out of die ultraviolet (UV) cured pultrusion. The relation between ... -
An analytical model of through-thickness photopolymerisation of composites: Ultraviolet light transmission and curing kinetics
Tena Merino, Iosu; Sarrionandia, Mariasun; Aurrekoetxea, Jon (Elsevier, 2020)In this paper, a kinetic model able to predict the evolution of the through-thickness degree of cure of ultraviolet (UV) cured composites has been developed and validated. The kinetic model, which is based on the autocatalytic ... -
Definition of 3D Printing Parameters by the Design of Experiments to Characterise Carbon Fibre-Reinforced Polyamide
Unzueta, Gorka; Eguren, Jose Alberto; Esnaola, Aritz; Aurrekoetxea, Jon; Sukia Mendizabal, Itxaro (Springer, 2024)This paper presents the application of an advanced quality management tool, the design of experiments (DOE), in order to characterise a new material (carbon fibre-reinforced polyamide) used in the 3D printing process. The ... -
Design and characterisation of cellular composite structures for automotive crashboxes manufactured by out of die ultraviolet cured pultrusion
Sáenz Domínguez, Iván; Tena Merino, Iosu; Esnaola, Aritz; Sarrionandia, Mariasun; Aurrekoetxea, Jon (Elsevier B.V., 2019-03-01)The present paper analyses the feasibility of designing a honeycomb-like crash-box, as a cellular structure, based on data obtained from the characterisation of the building block. In order to generalise the conclusions ... -
Design, manufacturing and testing of 3D printed variable-stiffness laminates for improved open-hole tensile behaviour
Iragi, Mikel; Esnaola, Aritz; Morales, Unai; Aurrekoetxea, Jon; Aretxabaleta, Laurentzi (Elsevier, 2023) -
Efecto de la separación fibra-matriz sobre las propiedades mecánicas de una viga forjada en poliamida reforzada con fibra de vidrio
Baskaran, Maider; Morales, Unai; Esnaola, Aritz; Aretxabaleta, Laurentzi; Aurrekoetxea, Jon; Olaziregi Cuevas, Udane (Scipedia, 2022)In the present work, ribbed beams have been manufactured by forging fiberglassreinforced polyamide using two different temperatures. The higher processing temperature studied (300 ºC) ensures the filling of the mold in the ... -
Efecto del reciclaje sobre la microestructura, las propiedades mecánicas y el comportamiento a fractura del polipropileno isotáctico
Aurrekoetxea, Jon (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2003)A fin de estudiar el efecto del reciclaje mecánico sobre la microestructura, las propiedades mecánicas y el comportamiento a fractura del polipropileno isotáctico (PP), se le han aplicado hasta diez cilcos de reprocesado ... -
Effect of alumina tri-hydrate filler on the mechanical and optical properties of flame-retardant ultraviolet cured vinyl ester composites
Tena Merino, Iosu; Sáenz Domínguez, Iván; Sarrionandia, Mariasun; Aurrekoetxea, Jon (2018)This research study is focused on the effect of alumina tri-hydrate (ATH) filler on the mechanical and optical properties of flame-retardant ultraviolet cured vinyl ester composites. In particular, vinyl ester formulations ... -
The effect of cross-section geometry on crushing behaviour of 3D printed continuous carbon fibre reinforced polyamide profiles
Morales, Unai; Esnaola, Aritz; Iragi, Mikel; Aretxabaleta, Laurentzi; Aurrekoetxea, Jon (Elsevier, 2021)The present study has analysed the effect of cross-section geometry and the printing pattern of continuous carbon reinforced polyamide on the axial and radial crushing behaviour. Each geometry and printing pattern generated ... -
Effect of voids on the impact properties of Non-Crimp fabric carbon/epoxy laminates manufactured by liquid composite Moulding
Mendikute, Julen; Baskaran, Maider; Aretxabaleta, Laurentzi; Aurrekoetxea, Jon (Elsevier, 2022)A great effort has been made to quantify the detrimental effect of voids on CFRP, nevertheless, the effect on impact properties has been barely studied and when it has been considered, it has always been for prepeg materials ... -
Fibre-Wood Laminate Biocomposites: Seawater Immersion Effects on Flexural and Low Energy Impact Properties
Aurrekoetxea, Jon (MDPI, 2022)The present paper explores a new concept of a hybrid eco-composite by substituting the natural fibre plies with thin wood veneers. The new composite, named Fibre–Wood Laminate (FWL), is inspired by fibre–metal laminate ... -
Impact and notched strength of multiaxially reinforced out of die UV cured pultruded profiles
Ruiz de Eguino, Imanol; Tena Merino, Iosu; Sáenz Domínguez, Iván; Sarrionandia, Mariasun; Aurrekoetxea, Jon (Wiley, 2024)The present paper highlights the benefits of multiaxially reinforced profiles manufactured by out of die ultraviolet (UV) cured pultrusion. Thanks to the low pulling forces inherent to this technology, we could manufacture ... -
Impact behaviour of bio-inspired sandwich panels integrally manufactured from 3D printed continuous carbon fibre reinforced polyamide
Sukia Mendizabal, Itxaro; Esnaola, Aritz; Erice, Borja; Aurrekoetxea, Jon (2024)This paper studies the effect of several design parameters on the impact performance of fully 3D printed sandwich panels with a core cell unit inspired by the trabecular structure of the forewing of a beetle. The key finding ... -
Impact performance of out of die UV cured pultruded profiles for vessel structures
Ruiz de Eguino, Imanol; Tena Merino, Iosu; Arruti Lapeira, Ander; Sarrionandia, Mariasun; Aurrekoetxea, Jon (École Polytechnique Fédérale de Lausanne, 2022)Out of die ultraviolet (UV) cured pultrusion is an automated process for manufacturing bent profiles that can replace the labour-intensive processes currently employed for manufacturing stiffeners for vessels structures. ... -
Impact performance prediction of as-manufactured Resin Transfer Moulding composites using Machine Learning based Digital Twin
Mendikute, Julen (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2022)The use of lightweight materials has demonstrated to be very energy efficient in the transport sector, reducing the consumption of fossil fuels and increasing the range of electric cars. Carbon fibre reinforced polymers ... -
Impregnation quality diagnosis in Resin Transfer Moulding by machine learning
Mendikute, Julen; Plazaola Madinabeitia, Joanes; Baskaran, Maider; Zugasti, Ekhi; Aretxabaleta, Laurentzi; Aurrekoetxea, Jon (Elsevier Ltd., 2021)In recent years, several optimization strategies have been developed which reduce the overall defectiveness of the RTM manufactured part. RTM filling simulations showed that, even using optimized injection strategies, local ... -
Influencia del agua de mar en el comportamiento frente a impacto de baja energía de un nuevo laminado de resina natural reforzada con fibra de fique colombiano
Aurrekoetxea, Jon; Mugica Abarquero, Joseba Iñaki (Universidad Nacional de Colombia, 2015)This experimental work is aimed at the influence of seawater immersion in low impact energy behavior of a novel Colombian fique fiber reinforced bio-resin laminate. Such material was manufactured by vacuum infusion. The ... -
Optimization of the CRTM process by means of monitoring techniques
Baskaran, Maider; Aretxabaleta, Laurentzi; Sarrionandia, Mariasun; Aurrekoetxea, Jon; Dueñas, A. (Scipedia, 2018)In this work the feasability of the monitoring system, composed of flow-rate and injection pressure sensors, in addition to the pressure sensors integrated in the mold, is demonstrated to determine the optimal process ... -
Optimization of the semi-hexagonal geometry of a composite crush structure by finite element analysis
Esnaola, Aritz; Aurrekoetxea, Jon; Gallego, Ivan; Ulacia, Ibai; Elguezabal Lazcano, Borja (Elsevier, 2016)In the present paper a numerical model for predicting the crushing behaviour of semi-hexagonal E-glass/polyester composite structures has been developed. Qualitative and quantitative analysis have shown that the results ... -
Paneles fabricados mediante curado UV de prepregs fuera de autoclave reforzados con perfiles de pultrusión UV
Ruiz de Eguino, Imanol; Arruti Lapeira, Ander; Sáenz Domínguez, Iván; Tena Merino, Iosu; Sarrionandia, Mariasun; Aurrekoetxea, Jon (Scipedia, 2023)Los materiales compuestos, gracias a sus elevadas propiedades específicas, buena resistencia a la corrosión y libertad de diseño, están en la agenda estratégica de muchos sectores de gran valor añadido como la aeronáutica, ...
