Browsing by Subject "Plastics"
Now showing items 1-20 of 46
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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. ... -
A robust updated lagrangian smooth particle hydrodynamics for fast solid dynamics
(Association for Computing Machinery (ACM), 2021)
Conference lecture
Restricted access - publisher's policyThis paper introduces a new Incremental Updated Lagrangian Smooth Particle Hydrodynamics (SPH) computational framework in the form of a system of first order conservation laws. Specifically, the linear momentum conservation ... -
Advances in the DEM and coupled DEM and FEM techniques in non linear solid mechanics
(2017-05)
Research report
Open AccessAbstract In this chapter we present recent advances in the Discrete Element Method (DEM) and in the coupling of the DEM with the Finite Element Method (FEM) for solving a variety of problems in non linear solid mechanics ... -
An anisotropic elasto-plastic model based on an isotropic formulation
(1993-11)
Research report
Open Access -
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 ... -
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. ... -
Bulk-processed plasmonic plastic nanocomposite materials for optical hydrogen detection
(2023-07-04)
Article
Open AccessSensors are ubiquitous, and their importance is only going to increase across many areas of modern technology. In this respect, hydrogen gas (H2) sensors are no exception since they allow mitigation of the inherent safety ... -
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 ... -
Derivation of the secant stiffness matrix for non linear finite element analysis of solids and trusses
(1994-05)
Research report
Open Access -
Design and construction of an extruder to recycle plastic-based formulations into filaments for 3D printing
(Universitat Politècnica de Catalunya, 2022-10-14)
Bachelor thesis
Open AccessAquesta tesi intenta reflectir el procés de disseny, construcció, programació i la resolució dels problemes que han anat apareixent durant el procés de construcció d’un extrusor de filaments termoplàstics capaç de processar ... -
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 ... -
Electroresponsive and pH-sensitive hydrogel as carrier for controlled chloramphenicol release
(American Chemical Society, 2023-02-23)
Article
Restricted access - publisher's policyMultiresponsive hydrogels, which are smart soft materials that respond to more than one external stimulus, have emerged as powerful tools for biomedical applications, such as drug delivery. Within this context and with the ... -
Enhancement of the thermal resistance of poly(lactic acid) obtained by reactive extrusion by adding nanoclays
(2016-10-01)
Article
Open AccessIn the present work, poly(lactic acid) sheets (with a nominal width of 1 mm) reinforced with organically modified montmorillonite (with a mass content of 2.5%) have been manufactured through a reactive extrusion process. ... -
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, ... -
Estudi per a la millora de l’eficiència productiva d’una empresa d’injecció i muntatge de peces de plàstic
(Universitat Politècnica de Catalunya, 2012-06)
Master thesis (pre-Bologna period)
Open AccessL’escenari d’aquest projecte és una empresa petita, de pocs treballadors, dedicada a la injecció i al muntatge de peces de plàstic, dedicada exclusivament a tres productes: els jocs de paletes de cafè, als mànecs ... -
Estudi sobre la viabilitat d'implantació d'una estratègia d'economia circular al sector dels envasos de menjar preparat
(Universitat Politècnica de Catalunya, 2019-06-10)
Bachelor thesis
Open AccessAlguns sectors industrials emergents estan establint models de negoci amb un alt impacte ambiental. El disseny de procés d'aquests sistemes de producció no incorpora les externalitats que genera, ni contempla mesures per ...
