Exploració per tema "Metalls"
Ara es mostren els items 1-20 de 33
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A fuzzy approach for the selection of non-traditional sheet metal cutting processes
(2015-09)
Article
Accés restringit per política de l'editorialThis work presents a methodology for the selection and comparison of non-traditional sheet metal cutting processes as a new structure of selection by means of an expert system. The model is generated from a knowledge base ... -
Análisis y ajuste de las variables de proceso para la fabricación de polvos de aleaciones base estaño mediante un atomizador centrífugo
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEn el presente proyecto se ha realizado la puesta a punto de un prototipo para la atomización de polvo metálico mediante la técnica de atomización centrífuga, incluyendo los diferentes componentes que intervienen en el ... -
Application of mechanically alloyed MnAl particles to de-colorization of azo dyes
(2018-04-15)
Article
Accés restringit per política de l'editorialThe use of metallic particles has been shown to be an effective, low-cost method for degradation of many contaminating compounds. In this work, we analyze the efficiency of MnAl metallic powders for degrading azo dyes, ... -
Caracterizacion térmica de hueso y substratos metálicos para uso biomédico
(Sociedad Ibérica de Biomecánica y Biomateriales, 2000-12)
Article
Accés obertEn este trabajo reportamos mediciones de difusividad térmica a temperatura ambiente en dos diferentes cortes de hueso denso de res, hueso de res en polvo e hidroxiapatita comercial en polvo. Realizamos una comparación ... -
Caracterización y tratamiento de suelos contaminados por actividades mineras mediante materiales reactivos
(2010)
Comunicació de congrés
Accés restringit per política de l'editorialEn áreas mineras abandonadas, como en la antigua cuenca minera de Anglés (Girona), existen diversas zonas afectadas por la minería del Pb, habiéndose producido la contaminación de los suelos y aguas subterráneas, a causa ... -
Change of the k-factor of printed sensors after multiaxial load
(Universitat Politècnica de Catalunya, 2017-08-31)
Treball Final de Grau
Accés obertIn this thesis, the analysis of the variation of the k-factor after multiaxial loads in a uniaxial tensile test is done. For the performance of this project, the characterization of the DC04 steel is made, analyzing the ... -
Contingut en metalls de hortícoles als que s'ha daplicat residus orgàncis en diferents dosis
(2000)
Comunicació de congrés
Accés obert -
Continuous chip formation in metal cutting processes using the Particle Finite Element Method (PFEM)
(2017-08-01)
Article
Accés obertThis paper presents a study on the metal cutting simulation with a particular numerical technique, the Particle Finite Element Method (PFEM) with a new modified time integration algorithm and incorporating a contact algorithm ... -
Disseny, construcció i posada a punt d'una cambra d'atmosfera controlada per a un sistema d'atomització centrífuga de pols metàl·lica
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEl present projecte té per objectiu el desenvolupament d'un equip d'atomització de pols metàl·lica mitjançant a tècnica d'atomització centrífuga. Aquest equip ha de poder fabricar petites quantitats de pols metàl·lica ... -
Dynamical models of a wire scanner
(2016-10-01)
Article
Accés restringit per política de l'editorialThe accuracy of the beam profile measurements achievable by the current wire scanners at CERN is limited by the vibrations of their mechanical parts. In particular, the vibrations of the carbon wire represent the major ... -
Effect of quenching and partitioning process on a low carbon steel
(2017-05)
Article
Accés restringit per política de l'editorialAim of this paper is to analyze the effect of manganese percentages on steel compositions. Laboratory as cast materials, in particular designed for Quenching and Partitioning process (Q&P), are here considered. The ... -
Effect of sludge amendment on remediation of metal contaminated soils
(2012-11-28)
Article
Accés obert -
Evaluation of metal attenuation from mine tailings in SE Spain (Sierra Almagrera): A soil-leaching column study
(2010-04-01)
Article
Accés obertA laboratory study was undertaken using mine tailings and soil columns to evaluate some of the natural processes that can control the mobility of metals at Pb–Ag mine tailings impoundments. The effects of buffering, pH, ... -
Fatigue of metals
(Universitat Politècnica de Catalunya, 2015-07-03)
Treball Final de Grau
Accés restringit per decisió de l'autor
Realitzat a/amb: Hochschule DarmstadtFatigue of metals is a final bachelor thesis where is discussed three different methods to analyze the results of a fatigue test: The Wöhler curve, the Weibull distribution and the Gumbel distribution. From the results ... -
FIB/FESEM experimental and analytical assessment of R-curve behavior of WC-Co cemented carbides
(2015-10-01)
Article
Accés obertExceptional fracture toughness levels exhibited by WC-Co cemented carbides (hardmetals) are due mainly to toughening derived from plastic stretching of crack-bridging ductile enclaves. This takes place due to the development ... -
Foundry process
(Universitat Politècnica de Catalunya, 2017-07-14)
Treball Final de Grau
Accés obertThis document is a report on the work completed in the Foundry process team, between the months of February and June 2016-2017, at the École Nationale d’Ingénieurs de Tarbes (ENIT), as part of the European Project Semester ... -
High-pressure torsion of iron with various purity levels and validation of Hall-Petch strengthening mechanism
(2019-01-16)
Article
Accés restringit per política de l'editorialImpurity atoms have a significant effect on the strength of metals processed by severe plastic deformation (SPD), but their strengthening mechanism is still under argument. To gain an insight into the strengthening ... -
Intermatrix synthesis of Ag, AgAu and Au nanoparticles by the galvanic replacement strategy for bactericidal and electrocatalytically active nanocomposites
(2016-12-01)
Article
Accés obertThe intermatrix synthesis (IMS) technique has proven to be an environmentally friendly methodology for the preparation of functional metal nanoparticles (FMNPs) on different reactive matrices. The distribution of these ... -
Mathematical modelling of neodymium, terbium and dysprosium solvent extraction from chloride media using methyl-tri(octyl/decyl)ammonium oleate ionic liquid as extractant
(Elsevier, 2017-11)
Article
Accés obertThis paper collects experimental data and mathematical modelling of Nd(III), Tb(III) and Dy(III) solvent extraction with an ionic liquid prepared from Aliquat 336 (Methyl-tri(octyl/decyl)ammonium chloride) and Oleic Acid ... -
Microstructural influence on tolerance to corrosion-induced damage in hardmetals
(2016)
Article
Accés obertThe influence of the microstructure on the tolerance of WC-Co cemented carbides to corrosion damage was studied by using residual strength as the critical design parameter. In doing so, samples were immersed in synthetic ...
