Browsing by Subject "Metalls"
Now showing items 1-20 of 48
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A fuzzy approach for the selection of non-traditional sheet metal cutting processes
(2015-09)
Article
Restricted access - publisher's policyThis 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)
Bachelor thesis
Restricted access - author's decisionEn 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 ... -
Analysis of printing parameters for metal additive manufactured parts through Direct Ink Writing process
(2020-03-09)
Article
Open AccessDirect Ink Writing is an Additive Manufacturing process in which a metal ink is continuously extruded to built-up a green metal part. Therefore, a debinding and sintering process is required to obtain the final metal part. ... -
Application of mechanically alloyed MnAl particles to de-colorization of azo dyes
(2018-04-15)
Article
Open AccessThe 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
Open AccessEn 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)
Conference lecture
Restricted access - publisher's policyEn 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)
Bachelor thesis
Open AccessIn 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 ... -
Characterization of bimetallic interface in Cu-Al and Ni-Cu rods cold-welded by ECAP
(2019-11-23)
Article
Restricted access - publisher's policyWhile cold welding by equal channel angular pressing has already been confirmed to be a viable alternative to join materials that commonly tend to exhibit unwanted brittleness and other heat-induced properties, the exact ... -
Contact damage investigation of CVD carbonitride hard coatings deposited on cemented carbides
(2020-01-01)
Article
Restricted access - publisher's policyThe evolution of damage induced as contact load is increased has been investigated on single- and multilayered coated cemented carbides by means of spherical indentation. The main objective of the study was to assess the ... -
Contingut en metalls de hortícoles als que s'ha daplicat residus orgàncis en diferents dosis
(2000)
Conference lecture
Open Access -
Continuous chip formation in metal cutting processes using the Particle Finite Element Method (PFEM)
(2017-08-01)
Article
Open AccessThis 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 ... -
Determinació dels paràmetres d’impressió mitjançant “Fused Deposition Modeling” (FDM) amb feedstock tipus “Metal Injection Model” (MIM) no comercial
(Universitat Politècnica de Catalunya, 2020-02-13)
Bachelor thesis
Open AccessAquest treball té com a objectiu l’estudi del paràmetres d’impressió en 3D pel mètode d’extrusió de pellets del material CrCoMo, amb un polímer desconegut. Per a dur a terme aquest estudi s’ha estudiat els diferents factors ... -
Diseño de un sistema para evaluar la reología de metal en estado tixotrópico para aplicación en impresión 3D
(Universitat Politècnica de Catalunya, 2019-10-24)
Master thesis
Restricted access - author's decisionCaracterizar el comportamiento reológico de un metal en estado pastoso (partículas solidas en una matriz fluida) y como los diferentes parámetros experimentales afectan la microestructura del extruído. -
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)
Bachelor thesis
Restricted access - author's decisionEl 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 ... -
Duplex and superduplex stainless steels: microstructure and properties evolution by surface modification processes
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-03-01)
Article
Open AccessThe paper presents an overview of diffusion surface treatments, especially nitriding processes, applied to duplex and superduplex stainless steels in the last five years. Research has been done mainly to investigate different ... -
Dynamical models of a wire scanner
(2016-10-01)
Article
Restricted access - publisher's policyThe 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
Restricted access - publisher's policyAim 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
Open Access -
Evaluating the variation of dissolved metals on a highway roadside using a generalized additive mixed model (GAMM)
(Springer, 2019-04-01)
Article
Open AccessAssessing metal concentrations in roadside soils requires a better understanding of the extent to which they are affected by different environmental factors such as soil texture, depth, pH, runoff concentration, and ... -
Evaluation of metal attenuation from mine tailings in SE Spain (Sierra Almagrera): A soil-leaching column study
(2010-04-01)
Article
Open AccessA 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, ...
