Exploració per autor "Arencón Osuna, David"
Ara es mostren els items 41-60 de 63
-
Influence of chemical nature, expansion ratio and cellular morphology on the fracture behaviour of flexible polyolefin-based foams assessed by the Essential Work of Fracture (EWF)
Arencón Osuna, David; Antunes, Marcelo de Sousa Pais; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (2015-05)
Article
Accés obertSeveral commercial polyolefin-based flexible foams produced by extrusion foaming were characterized in terms of their cellular morphology and fracture behaviour using the concept of the Essential Work of Fracture (EWF), ... -
Influence of the injection moulding parameters on the cellular structure and thermo mechanical properties of ethylene-propylene block copolymer and PETG foams
Arencón Osuna, David; Sánchez Soto, Miguel; Martínez Benasat, Antonio; Gómez Gómez, Jaime Francisco; Rodríguez, Jesús; Salazar, Alicia (2012)
Text en actes de congrés
Accés restringit per política de l'editorialMicrocellular injection moulding technology is capable of producing lightweight polymeric products. Microcellular foams are characterised by cell densities in the order of 109-1015 cells per cm3 and cell sizes between 10-100 ... -
Influence of the injection moulding parameters on the microstructure and thermal properties of microcellular polyethylene terephthalate glycol foams
Gómez Gómez, Jaime Francisco; Arencón Osuna, David; Sánchez Soto, Miguel; Martínez Benasat, Antonio (2013)
Article
Accés restringit per política de l'editorialMicrocellular injection moulding is capable of producing lightweight polymeric products. The present study analyses the influence of several representative injection moulding parameters on the foam’s morphology, apparent ... -
Influence of the injection-molding parameters on the cellular structure and thermo-mechanical properties of ethylene-propylene block copolymer foams
Gómez Gómez, Jaime Francisco; Arencón Osuna, David; Sánchez Soto, Miguel; Martínez Benasat, Antonio (2013-03)
Article
Accés restringit per política de l'editorialMicrocellular injection-molding technology is capable of producing lightweight polymeric products. The foam morphology is determined by the injection-molding parameters, and it has been observed that depending on the ... -
Influence of the notch sharpening on the impact fracture toughness of ethylene-propylene block copolymers
Martínez Benasat, Antonio; Arencón Osuna, David; Rodríguez Pérez, Jesús; Salazar López, Alicia (2014-06-01)
Article
Accés restringit per política de l'editorialThe impact fracture toughness of several ethylene-propylene block copolymers has been evaluated using the traditional contact notch sharpening technique of tapping and a new non-contact technique based on femtolaser ablation. ... -
Low Energy Dart Test for Mechanical Evaluation of Ophthalmic Materials
Martínez Benasat, Antonio; Artús, Pau; Dürsteter, J. C.; Arencón Osuna, David (2009-08)
Article
Accés obertPurpose. Many impact tests fail to rigorously analyze the polymer behavior at impact, because they are performed in an energy range too different from real-life incidents, use specimens with other geometries than those ... -
Micro-raman analysis of the molecular orientation of flexible polyolefin foams
Antunes, Marcelo de Sousa Pais; Arencón Osuna, David; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (2009)
Comunicació de congrés
Accés obert -
Microstructure anisotropy in polyolefin flexible foams
Antunes, Marcelo de Sousa Pais; Arencón Osuna, David; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (IOP Publishing Ltd., 2009-11)
Article
Accés obertThe use of polyolefin flexible foams with typical thicknesses between 1 and 3 mm produced by a physical foaming extrusion process is nowadays quite widespread in the packaging sector. Their high flexibility and closed-cell ... -
Morphology and mechanical characterization of ABS foamed by microcellular injection molding
Gómez Monterde, Javier; Schulte, M.; Ilijevic, Stefan; Hain, J; Arencón Osuna, David; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa (2015)
Article
Accés obertIn the present work ABS was used to inject cylindrical test bars, obtaining solid and foamed specimens. By varying the gas content, two levels of weight reduction were achieved. Morphology analysis revealed the presence ... -
Morphology and mechanical characterization of ABS foamed by microcellular injection moulding
Gómez Monterde, Javier; Schulte, M; Ilijevic, Stefan; Hain, J; Arencón Osuna, David; Sánchez Soto, Miguel; Maspoch Rulduà, M. Lluïsa (2015)
Text en actes de congrés
Accés restringit per política de l'editorialIn the present work ABS was used to inject cylindrical test bars, obtaining solid and foamed especimens. By varying the gas content, two levels of weight reduction were achieved. Morphology analysis revealed the presence ... -
Multifunctional foams made of polymer nanocomposites
Arencón Osuna, David; Velasco Perero, José Ignacio; Realiño, Vera; Antunes, Marcelo de Sousa Pais; Gedler, Gabriel (Campus de Terrassa de la UPC, 2013-06-13)
Text en actes de congrés
Accés obert -
Notch effect on the fracture of a polymeric film
León, Noel; Martínez Benasat, Antonio; Castejón, P.; Arencón Osuna, David (2018-06-01)
Article
Accés obertThe fracture behavior of a bio-based thermoplastic copolyester film has been studied by combining the essential work of fracture, the J-integral, and the crack tip opening displacement characterization methods on double ... -
Nucleation efficiency of talc in the foaming behavior and cellular structure of polyolefin-based foams: new perspectives for optimized lightweight materials
Meli, Gilles; Abler, Caroline; Jouffret, Frédéric; Antunes, Marcelo de Sousa Pais; Gedler, Gabriel; Arencón Osuna, David; Velasco Perero, José Ignacio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe research consisted in evaluating the nucleation efficiency of different types of talc (with different particle size distributions, morphologies and even surface modifications) in the foaming behaviour and cellular ... -
On the effect of the different notching techniques on the fracture toughness of PETG
Martínez Benasat, Antonio; León, Noel; Arencón Osuna, David; Rodríguez Pérez, Jesús; Salazar López, Alicia (2013-10)
Article
Accés restringit per política de l'editorialThe fracture toughness of poly (ethylene terephthalate) modified glycol (PETG) has been evaluated using notch sharpening techniques which could be grouped into contact and non-contact procedures. Razor blade tapping, razor ... -
Polypropylene-based porous membranes: influence of polymer composition, extrusion draw ratio and uniaxial strain
Castejón Galán, María del Pilar; Habibi, Kian; Saffar, Amir; Ajji, Abdellah; Martínez Benasat, Antonio; Arencón Osuna, David (2017-12-29)
Article
Accés obertSeveral commercial grades of homo-polymer and its blends were selected to prepare microporous membranes through melt extrusion-annealing-uniaxial stretching technique (MEAUS). Branched or very fluid polypropylene was ... -
Porous membranes based on polypropylene-ethylene copolymers. Influence of temperature on extrusion, annealing and uniaxial strain stages
Castejón Galán, María del Pilar; Arencón Osuna, David; Antunes, Marcelo; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio; Martínez Benasat, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-02)
Article
Accés obertIn this study, block and random copolymers of polypropylene–ethylene are selected to prepare porous membranes through the melt extrusion-annealing-uniaxial stretching technique (MEAUS), at a constant draw ratio. In some ... -
Processat de plàstics (Examen 2n Quadr.)
Arencón Osuna, David (Universitat Politècnica de Catalunya, 2008-06-06)
Examen
Accés restringit a la comunitat UPC -
PROCESSAT DE PLÀSTICS (Examen 2n Quadr.)
Arencón Osuna, David (Universitat Politècnica de Catalunya, 2007-04-13)
Examen
Accés restringit a la comunitat UPC -
PROCESSAT DE PLÀSTICS (Examen 2n Quadr.)
Arencón Osuna, David (Universitat Politècnica de Catalunya, 2009-04-02)
Examen
Accés restringit a la comunitat UPC -
PROCESSAT DE PLÀSTICS (Examen 2n Quadr.)
Arencón Osuna, David (Universitat Politècnica de Catalunya, 2009-06-08)
Examen
Accés restringit a la comunitat UPC