Browsing by Subject "Metals"
Now showing items 1-20 of 72
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3D FIB/FESEM tomography of grinding-induced damage in WC-Co cemented carbides
(Elsevier, 2020)
Article
Open AccessWC-Co cemented carbides (hardmetals) represent the backbone materials for the tooling industry. In order to achieve particular tool geometries, diamond wheel grinding is a well-established method for machining hardmetals. ... -
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 ... -
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. ... -
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 ... -
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, ... -
Arsenic and metal mobility from Au mine tailings in Rodalquilar (Almaría, SE Spain)
(2010-02-19)
Article
Restricted access - publisher's policyIn the old mining area of Rodalquilar, mine wastes, soil and sediments were characterized and the results revealed high concentration of Au, Ag, As, Bi,Cu, Fe, Mn, Pb, Se, Sb and Zn in tailings and sediments. The contaminant ... -
Caracterització electroquímica d'aliatges "High-Entropy"
(Universitat Politècnica de Catalunya, 2020-10-22)
Bachelor thesis
Open AccessEn aquest treball s’han produït una sèrie de composicions d’uns aliatges anomenats high-entropy metallic glasses. Aquest tipus d’aliatges són una combinació d’aliatges high-entropy, creats a partir de la fusió a alta ... -
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 de la microestructura binaria ("chessboard pattern") en muestras de Ti-6Al-4V fabricadas por SLM (Selective Laser Melting)
(Universitat Politècnica de Catalunya, 2020-02-14)
Master thesis
Open Access
Covenantee: Université de LorraineSelective laser melting (SLM) is an additive manufacturing process that offers efficient manufacturing of complex parts with good mechanical properties. For SLM, process parameters and post-processing are of importance as ... -
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 ... -
Catalytic transformation of biomass-derived 5-hydroxymethylfurfural over supported bimetallic iridium-based catalysts
(American Chemical Society (ACS), 2021-04-28)
Article
Restricted access - publisher's policy5-Hydroxymethylfurfural (HMF) is a biobased platform chemical that can be valorized into a spectrum of valuable products. In this report, supported Ir, Ir–Co, Ir–Ni, and Ir–Ru catalysts were investigated for this purpose. ... -
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
Open AccessWhile 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 ... -
Combinatorial investigation of Al–Cu intermetallics using small-scale mechanical testing
(2020-05-05)
Article
Restricted access - publisher's policyIn the past two decades, small-scale mechanical testing has become ubiquitous for mechanical measurements, offering new opportunities to quantitatively probe the mechanical behavior of materials. In this study, we applied ... -
Comparison of the electrolytic, ultrasounds and chemical cleaning in corroded naval steel
(SARTI, 2021)
Article
Open AccessOxygen, salt and water are key factors afecting metal deterioration and leading to corrosion in a marine environment. Prolonged corrosion may compromise the use of the materials and this may have an important economic ... -
Composition, nanostructure, and optical properties of silver and silver-copper lusters
(American Institute of Physics (AIP), 2012-09-01)
Article
Open AccessLusters are composite thin layers of coinage metal nanoparticles in glass displaying peculiar optical properties and obtained by a process involving ionic exchange, diffusion, and crystallization. In particular, the origin ... -
Coneixement bàsic de metalls
([Escola Tècnica Superior d'Arquitectura de Barcelona], 1995)
Book
Open Access -
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 -
Corrosion-induced changes on Hertzian contact damage in cemented carbides
(2020-11-01)
Article
Restricted access - publisher's policyIn this study, the influence of corrosion on the mechanical response and damage induced under Hertzian indentation is assessed for three cemented carbides with metallic binders of different chemical nature. Corrosion ...
