Exploració per tema "Assaigs de materials -- Propietats mecàniques"
Ara es mostren els items 1-13 de 13
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Characterisation and modelling of prestrained viscoelastic films
(2014-04)
Article
Accés restringit per política de l'editorialThe goal of the present work is to characterise the influence of static prestrain on the elastic and dissipative properties of constrained viscoelastic films. Dynamic mechanical analysis (DMA) technique is considered for ... -
Comportamiento a fractura de láminas de espuma de polipropileno producidas mediante dos métodos diferentes de espumación
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialDos tipos de espumas flexibles de baja densidad . basadas en polipropileno y producidas por dos métodos diferentes de espumación (espumación física y espumación química) .se han caracterizado utilizando el concepto del ... -
Comportamiento mecánico dinámico de espumas de policarbonato
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialSe caracterizan por DMTA espumas de policarbonato (PC) y de policarbonato con nanopartículas de grafeno, producidas mediante dos procesos diferentes de disolución de CO2 supercrítico con posterior expansión en una o en dos ... -
Effect of superelastic shape memory alloy wires on the impact behaviour of carbon fiber reinforced in situ polymerized poly(butylene terephthalate) composites
(2011-03-15)
Article
Accés restringit per política de l'editorialLow-velocity impact properties of shape memory alloy (SMA) wires and carbon fi ber reinforced poly (butylene terephthalate) obtained by resin transfer molding were characterized. At the subcritical regime the dissipated ... -
Esparto wool as reinforcement in hybrid polyurethane composite foams
(2011-11)
Article
Accés restringit per política de l'editorialIn the present work polyurethane foams containing variable concentrations of nano-sized clay and esparto wool were prepared and studied, with the objective of developing new multi-scalar rigid foams. The addition of ... -
Estudi de la influència de la força de pretensat en el comportament mecànic del material Fabric-Reinforcement Cementitious Matrix (FRCM)
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés obertRecerca bibliogràfica sobre la tecnologia a estudiar (FRCM), el disseny, planificació i execució d’una campanya experimental; l’anàlisi crític dels resultats i la redacció d’una memòria -
Estudio experimental de las características mecánicas del material compuesto Textile Reinforced-Mortar relacionadas con el tipo de fijación en ensayos a tracción
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Fatigue performance improvement of electrical discharge machined hardmetals by means of combined thermal annealing and surface modification routes
(2013-01)
Article
Accés restringit per política de l'editorialElectrical discharge machining (EDM) provides an effective means of shaping hardmetals. However, it is also known that surface integrity of these materials may be affected by EDM, degrading their tribomechanical characteristics. ... -
Friction coefficients and wear rates of different orthodontic archwires in artificial saliva
(Springer, 2013-05)
Article
Accés restringit per política de l'editorialThe aim of this paper is to analyze the influence of the nature of the orthodontic archwires on the friction coefficient and wear rate against materials used commonly as brackets (Ti–6Al–4V and 316L Stainless Steel). ... -
Influence of foaming process on the structure-properties relationship of foamed LDPE/silica nanocomposites
(Elsevier, 2013-05)
Article
Accés restringit per política de l'editorialIn this paper LDPE/silica nanocomposites are foamed by two different processes. First one is the pressure quench method which is based on the use of a physical blowing agent and second one is the improved compression ... -
Influence of the injection-molding parameters on the cellular structure and thermo-mechanical properties of ethylene-propylene block copolymer foams
(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 ... -
Influència del pretesat dels teixits en les propietats mecàniques de materials tipus Fabric-Reinforcement Cementitious Matrix (FRCM)
(Universitat Politècnica de Catalunya, 2017-01)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Surface damaging of brass and steel pins when sliding over nitrided samples cut by finishing and roughing EDM conditions
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-17)
Article
Accés obertIn the forging industry, surface quality and surface treatments of dies are crucial parameters to extend their life. These components are usually machined by milling or by Electrical Discharge Machining (EDM), and the final ...