Browsing by Subject "Plàstics"
Now showing items 1-20 of 35
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A numerical method for calculating the strain rate intensity factor
(CIMNE, 2015)
Conference lecture
Open AccessThe strain rate intensity factor is the coefficient of the leading singular term in a series expansion of the equivalent strain rate in the vicinity of maximum friction surfaces. In the case of rigid perfectly plastic ... -
A phosphonated poly(ethylenedioxythiophene) derivative with low oxidation Potential for energy-efficient bioelectronic devices
(American Chemical Society, 2021-12-28)
Article
Open AccessOrganic electrochemical transistors (OECTs) for bioelectronic applications require the design of conjugated polymers that are stable in aqueous environments and afford high energy efficiency and good performance in OECTs. ... -
Analysis of the decrease of the apparent young's modulus of advanced high strength steels and its effect in bending simulations
(2009)
Conference lecture
Open AccessIn this paper the evolution of the Young’s Modulus (E) during unloading with plastic deformation has been studied for different Dual-Phase AHSS from DP780 to DP1400. During unloading, all the DP steels studied showed the ... -
Aulamar: Projecte escola d’oceanografia costanera
(2022-10-19)
Conference lecture
Open AccessEn aquest Research Café es presenten projectes on la tecnologia es posa al servei dels mars i els oceans, i que estan lligats amb els objectius ODS Vida Submarina i Acció pel clima. -
Bioremediation of plastics using marine bacteria
(Universitat Politècnica de Catalunya, 2022-06-28)
Master thesis
Open AccessEn aquest estudi teòric realitzat per a la bioremediació de plàstics mitjançant bacteris marins, es realitza un ampli estudi de les estratègies actuals per a la gestió de residus dels plàstics i tota la situació actual. ... -
Characterization of a Gas Tungsten Arc Welding (GTAW) joint of Armco iron nanostructured by equal-channel angular pressing (ECAP)
(2021-02)
Article
Open AccessAfter Severe Plastic Deformation (SPD), the strength of the Armco iron sharply increases with the number of Equal-Channel Angular Pressing (ECAP) passes. So, the ultimate tensile stress (UTS) reached up to 800¿MPa after ... -
Characterization of microcellular plastics for weight reduction in automotive interior parts
(VDI Verlag, 2017)
Conference report
Restricted access - publisher's policyThe present work deals with foaming plastic materials in order to reduce weight, cost and carbon footprint in automative parts. Glass-fiber-reinforced polypropylene (PP GF) was injection-modded in the solid and foamed ... -
Colossal barocaloric effects in adamantane derivatives for thermal management
(American Institute of Physics (AIP), 2022-11-16)
Article
Open AccessPlastic crystals are currently attracting interest because their solid-state caloric functionality could be used to tackle climate change in two critical areas: (i) more environmentally friendly cooling and heating driven ... -
Comportamiento térmico y mecánico del poli(etilén tereftalato) (PET) modificado con resinas poliméricas basadas en bisfenol-A
(Universitat Politècnica de Catalunya, 2003-11-07)
Doctoral thesis
Open AccessSe realizó el estudio de las propiedades térmicas y mecánicas de mezclas de Poli(Etilén Tereftalato) (PET) con resinas poliméricas basadas enl Bisfenol-A: Poli(Carbonato de Bisfenol-A) (PC) y Poli(Hidroxi-Éter de Bisfenil-A) ... -
Determinación de KIC en compuestos de fibra corta a 1 m/s
(2011)
Conference report
Open Access -
Disseny, aplicació i avaluació d’un breakout educatiu digital per donar un punt de vista sostenible i social dels plàstics als alumnes de 1r d’ESO
(Universitat Politècnica de Catalunya, 2022-06-15)
Master thesis
Open AccessEls plàstics són dels materials més utilitzats, i la seva producció, ús i eliminació afecten negativament al nostre planeta. En aquest sentit, des de l'àmbit educatiu és important que s'eduqui en aquest aspecte. No obstant, ... -
Effect of nutrient limitation and light in the production of polyhydroxybutyrates and glycogen by cyanobacteria cultivated in wastewater
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open AccessNon-degradable plastics are a serious environmental problem. The use of living resources to produce biodegradable plastics could be a possible solution. Polyhydroxybutyrates (PHB), which are polymers with similar properties ... -
Enhancing ductility of ECAP processed metals
(2010)
Article
Restricted access - publisher's policyMechanical properties such as hardness, mechanical strength or fatigue resistance are by far the most successful material behaviour improved by the ECAP processed. However, the lack of ductility is the most critical negative ... -
Estudi de la deformació plàstica d'una estructura enfront un sisme
(Universitat Politècnica de Catalunya, 2007-06-29)
Master thesis (pre-Bologna period)
Open AccessEl acero es un material cuyas características son muy conocidas, de manera que es fácil predecir una respuesta por parte de éste frente a la aplicación de una carga determinada. No obstante, ... -
Estudio de diseño y construcción de una reductora con impresora 3D
(Universitat Politècnica de Catalunya, 2017-01)
Bachelor thesis
Restricted access - author's decision -
Fingerprints of the crossing of the Frenkel and melting line on the properties of high-pressure supercritical water
(2022-08-25)
Article
Open AccessUsing molecular dynamics simulations in combination with the two-phase thermodynamic model, we reveal novel characteristic fingerprints of the crossing of the Frenkel and melting line on the properties of high-pressure ... -
Gestión y técnicas de reciclaje: estudio del escenario actual, aplicaciones y nuevas tendencias
(Universitat Politècnica de Catalunya, 2019-10-22)
Master thesis
Open Access
Covenantee: Àrea Metropolitana de BarcelonaEl presente Trabajo Final de Máster documenta la investigación realizada durante la participación en el Recircula Challenge 2019, reto promovido por la Escuela de Ingeniería de Barcelona Este (EEBE), de la Universidad ... -
Influence of severe plastic deformation in phase transformation of superduplex stainless steels
(Springer, 2019-02-01)
Article
Open AccessDuplex and superduplex stainless steels are characterised by high corrosion resistance and high mechanical strength. However, these steels can suffer formation of secondary brittle phases when they reach temperatures between ... -
Investigations on micro-mechanical properties of polycrystalline Ti(C,N) and Zr(C,N) coatings
(2018-05-01)
Article
Open AccessMicro-mechanical properties of Ti(C,N) and Zr(C,N) coatings deposited by chemical vapor deposition on a WC-Co cemented carbide substrate were examined by micro-compression testing using a nanoindenter equipped with a flat ... -
Melting of orientational degrees of freedom
(2017-05)
Article
Open AccessWe use calorimetry and dilatometry under hydrostatic pressure, X-ray powder diffraction and available literature data in a series of composition-related orientationally disordered (plastic) crystals to characterize both ...
