Browsing by Subject "Iron"
Now showing items 1-20 of 32
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Analysis of the micro and substructural evolution during severe plastic deformation of ARMCO iron and consequences in mechanical properties
(2019-01-07)
Article
Restricted access - publisher's policyARMCO iron processed by ECAP up to a maximum equivalent strain of sixteen ECAP passes following route Bc was investigated by Electron Back Scattering Diffraction (EBSD), Transmission Electron Microscopy (TEM), TEM-EBSD and ... -
Automatic adjustment method to fit T¿LOG(T/¿0) scaling for time evolution thermal depending properties of nanocristalline iron
(2009)
Conference report
Open AccessIn many forming processes the evolution of the material properties evolves with time and changes as temperature varies, forcing the use of a time-dependent thermomechanical computational model to simulate those processes. ... -
CO preferential oxidation under H-2-rich streams on copper oxide supported on Fe promoted CeO2
(2015-10-05)
Article
Open AccessIn this work the effect of Fe addition to copper/ceria catalysts on the catalytic activity toward CO-PROX reaction has been studied and related to the modification of textural and redox properties induced by iron. Catalysts ... -
Coatings for decarburization prevention and the influence of electromagnetic field on carbón diffusion in iron
(Universitat Politècnica de Catalunya, 2019-03-05)
Bachelor thesis
Open Access
Covenantee: Institut national des sciences appliquées de LyonThe purpose of this project is to study the influence of a combination of electric and magnetic field on the diffusion process of carbon atoms in iron. The experiment is carried out by putting a 26 x 9 mm two-dimensional, ... -
Comparison of empirical interatomic potentials for iron applied to radiation damage studies
(2010)
Article
Restricted access - publisher's policyThe performance of four recent semi-empirical interatomic potentials for iron, developed or used within the FP6 Perfect Project, is evaluated by comparing them between themselves and with available experimental or, more ... -
Diseño de una plancha vertical
(Universitat Politècnica de Catalunya, 2021-10-29)
Bachelor thesis
Open AccessLa finalitat d'aquest projecte ha estat, des d'un inici, identificar els punts febles dels models de planxa vertical de mercat, proposant un nou disseny innovador que pugui cobrir aquells buits i necessitats que ... -
Efecto de la distribución bimodal de grano en la ductilidad de hierro nanoestructurado obtenido por molienda mecánica
(EUETIB, 2013-12)
Conference lecture
Open AccessEl presente trabajo versa sobre la fabricación de piezas consolidadas de hierro a partir de polvo de hierro puro con estructura nanocristalina obtenido mediante proceso de molienda mecánica (MM) en un molino de bolas ... -
Effect of loading mode on the microstructural heterogeneity of ultra-fine-grained iron
(2021-12-01)
Article
Open AccessThis manuscript analyzes the microstructural changes introduced by both monotonic tensile and cyclic loads in ultrafine-grained Armco iron obtained after severe plastic deformation by equal channel angular pressing. The ... -
Estudio de la estabilidad y movilidad de micropartículas para la eliminación de contaminantes en agua subterránea
(Universitat Politècnica de Catalunya, 2021-10-21)
Bachelor thesis
Open AccessLes micro i nano partícules de ferro zero-valent i d’òxids de ferro son les partícules mes empleades per la remediació d’aqüífers y aigües subterrànies, gràcies al seu gran poder d’absorció de diversos contaminants com ... -
Estudio de la movilidad de micropartículas de adsorbentes en medios porososos
(Universitat Politècnica de Catalunya, 2020-06-29)
Bachelor thesis
Open AccessLas micro y nano partículas de hierro, y sus óxidos, son algunas de las partículas más empleadas en la remediación de acuíferos contaminados gracias a su poder de adsorción de contaminantes como los fosfatos y el arsénico. ... -
Estudio de la movilidad y reactividad simultánea de micropartículas para eliminar contaminantes en agua subterránea
(Universitat Politècnica de Catalunya, 2020-07-15)
Bachelor thesis
Open AccessLas nanopartículas más utilizadas para la remediación de acuíferos son de hierro y óxidos de hierro, debido a su gran poder de reducción y adsorción de contaminantes diversos. Este proyecto se centra en la eliminación ... -
Extracellular ferritin contributes to neuronal injury in an in vitro model of ischemic stroke
(2021-11-01)
Article
Open AccessPrevious clinical and experimental studies have shown that neurological decline and poor functional outcome after acute ischemic stroke in humans are associated with high ferritin levels in serum and cerebrospinal fluid ... -
Geometrically Necessary Dislocations (GNDs) in iron processed by Equal Channel Angular Pressing (ECAP)
(2019-03)
Article
Open AccessThe calculation of Geometrically Necessary Dislocations (GNDs) in iron processed by ECAP has been carried out via Electron Back Scatter-Diffraction (EBSD) and Transmission Electron Microscopy (TEM). Transmission microscopy ... -
High cycle fatigue of ARMCO iron severely deformed by ECAP
(2017-01-10)
Article
Open AccessThe high-cycle fatigue behavior of ARMCO iron severely deformed by Equal Channel Angular Pressing (ECAP) at room temperature through route Bc until 8 passes, with an average grain size of ~365 nm, was studied and compared ... -
Historical copper and iron coloured glazes and glasses
(Universitat Politècnica de Catalunya, 2023-11-17)
Doctoral thesis
Open Access(English) Coloured glazes and glasses have attracted human interest since antiquity for their aesthetic appeal and multiple functionalities. As indicators of technological progress, artistic expression, and social ... -
Influence of composition, grain size, and oxide particles on the strength of consolidated ball-milled iron
(Institute of Physics (IOP), 2014-07)
Article
Open AccessIn this paper iron powders with two oxygen content (0.2 and 0.6% wt.) have been mechanically milled and consolidated by hot static pressing at different temperatures to obtain different grain sizes. At lower temperatures ... -
Is WD0433+270 an iron-core white dwarf?
(PoS - Proceedings of Science, 2007)
Conference report
Open AccessWe study a common proper motion pair formed by a white dwarf (WD0433+270) and a mainsequence star (BD+26 730) that apparently has been classified as a member of the Hyades open cluster. Previous studies of the white dwarf ... -
Modification of a natural zeolite with Fe(III) for simultaneous phosphate and ammonium removal from aqueous solutions
(2016-06-01)
Article
Open AccessBACKGROUND: The incorporation of Fe(III) was performed in a natural clinoptilolite (Z-N) for simultaneous phosphate and ammonium removal. RESULTS: The existence of hydroxyl groups (congruent to Fe-OH) in the iron zeolite ... -
Multiphase processes in the EC-Earth model and their relevance to the atmospheric oxalate, sulfate, and iron cycles
(European Geosciences Union (EGU), 2022-04-08)
Article
Open AccessUnderstanding how multiphase processes affect the iron-containing aerosol cycle is key to predicting ocean biogeochemistry changes and hence the feedback effects on climate. For this work, the EC-Earth Earth system model ... -
Physical mechanisms and parameters for models of microstructure evolution under irradiation in Fe alloys. Part I: pure Fe
(Elsevier, 2021-12)
Article
Open AccessThis paper is the first of three that overview the main mechanisms that drive the microstructure evolution in Fe alloys under irradiation. It focuses on pure a-Fe and compiles the parameters that describe quantitatively ...
