Andrea Fernández

Andrea Fernández
Universidad Politécnica de Madrid | UPM · Departamento de Ingeniería Mecánica y de Fabricación

About

13
Publications
11,381
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159
Citations
Citations since 2016
13 Research Items
158 Citations
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20162017201820192020202120220102030405060
Introduction
Andrea Fernández currently works at the IMDEA-Materials, Madrid Institute for Advanced Studies. Andrea does research in Materials Engineering, Chemical Engineering and Industrial Engineering. Their current project is 'Recycled composites'.
Skills and Expertise

Publications

Publications (13)
Article
Recycled carbon fibres have been employed as a reinforcement material for the synthesis of polypropylene-based thermoplastic matrix composites with different fibre/resin ratios (10, 20 and 30%) by means of injection moulding. A thorough study of their mechanical properties including tensile, impact and bending tests, as well as fibre distribution a...
Article
3D printing of continuous carbon fibre reinforced composites (CCFRC) based on fused filament fabrication (FFF) has a great potential for reproducing robust and complex geometries, generating little waste. However, 3D printed CCFRC present relatively poor interlaminar bonding and high void content in comparison to traditional composites. This work a...
Article
Full-text available
The disposal of fibre reinforced composite materials is a problem widely debated in the literature. This work explores the ability to restore the mechanical properties of thermally conditioned basalt fibres through chemical treatments. Inorganic acid (HF) and alkaline (NaOH) treatments proved to be effective in regenerating the mechanical strength...
Article
This article presents an experimental investigation to quantify the effects of high temperature exposure (400–600 °C) on the mechanical properties of single basalt fibres. To this purpose, a combination of single edge notch tension and nanoindentation micro-pillar splitting methods was used to provide an assessment of the fracture toughness of as-r...
Article
This work studies calcium-conducting, solvent-free polymer electrolytes in the framework of today’s post-lithium battery strategies. The samples consist of three calcium salts: (i) Ca(CF3SO3)2; (ii) Ca(TFSI)2; and (iii) CaI2 hosted by commercial poly(oxyethylene) (POE). The data collected from X-ray diffraction (XRD), scanning electron microscopy (...
Article
Full-text available
The state-of-the-art process for additive manufacturing of continuous-fibre reinforced polymers is fused filament fabrication (FFF), which has potential for reproducing robust and complex geometries. However, at the present, the mechanical performance of the resulting parts is affected by the low adhesion between layers and the high concentration o...
Conference Paper
Full-text available
Due to the rapid growth in the use of composite materials, environmental concerns have become an increasingly influential topic, making recyclability of composite materials a key issue. Furthermore, several related European laws have been passed to minimize the environmental impact of composites (EU 2000/53/CE [1], 2000/76/EC [2], 2004/35/EC [3])....
Article
Full-text available
Debido al rápido crecimiento del mercado de los composites, diversas directivas europeas han surgido para minimizar sus repercusiones sobre el medio ambiente (EU 2000/53/CE, End of life vehicles), así como dar un uso racional de los vertederos (EU 1999/31/EC). Por ejemplo, en el sector aeronáutico, los materiales compuestos pueden llegar a alcanzar...
Conference Paper
Full-text available
Due to the rapid growth of the composite market, several European laws have emerged to minimize their environmental impact (EU 2000/53 / EC, End of life vehicles), as well as to make rational use of landfills (EU 1999/31 / EC). For example, in the aeronautical sector, composites can reach 50% by weight of the aircraft. Consequently, recyclability i...
Article
Full-text available
The characterization of the strength and fracture toughness of three common structural fibres, E-glass, AS4 carbon and Kevlar KM2, is presented in this work. The notched specimens were prepared by means of selective carving of individual fibres by means of the focused ion beam. A straight-fronted edge notch was introduced in a plane perpendicular t...
Conference Paper
Full-text available
El objetivo del presente estudio es la caracterización de la tenacidad de fractura de fibras de carbono, vidrio y aramida individualmente mediante la introducción de una entalla haciendo uso de un cañón de iones (Focused Ion Beam, FIB). Con esta técnica, se genera una entalla de dimensiones nanométricas que representa una grieta. El diámetro de la...

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Projects

Projects (2)
Project
Due to the rapid growth of the composite market, several European laws have emerged to minimize their environmental impact (EU 2000/53 / EC, End of life vehicles), as well as to make rational use of landfills (EU 1999/31 / EC). For example, in the aeronautical sector, composites can reach 50% by weight of the aircraft. Consequently, recyclability is a key issue. The objective of this project is the study of the recycling techniques of carbon fiber composites with thermoset polymer matrix in order to obtain fibers with similar properties to the original ones. In this way, the fibers could be reused in new composites by themselves or together with flass fibers in the manufacture of new hybrid composite materials. By this hybridization, materials with properties far superior to the GFRP would be obtained, but at much lower cost than the original CFRP. Therefore, this recycling and reprocesing strategies provides great economical attractiveness.
Project
Due to the rapid growth of the composite market, recyclability is a key issue. The objective of the work is the study of the recycling techniques of carbon fiber composites with thermostable polymer matrix in order to obtain fibers with similar properties to the original ones.