Browsing Recerca by Subject "66"
Now showing items 1-14 of 14
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A study of deformation and strain induced in bulk by the oxide layers formation on a Fe-Cr-Al alloy in high-temperature liquid Pb-Bi eutectic
(Acta Materialia. Vol.151 (2018), p.301-309, 2018-06-01)At elevated temperatures, heavy liquid metals and their alloys are known to create a highly corrosive environment that causes irreversible degradation of most iron-based materials. It has been found ... -
Characterization of duplex coating system (HVOF + PVD) on light alloy substrates
(Surface and Coatings Technology. Vol.318 (2017), p.326-331, 2017-05)Light metals such as aluminium or magnesium alloys play an important role in many different industrial applications. However, aluminium and especially magnesium alloys show relatively poor resistance ... -
Disseny de reactors fotoquímics: descripció dels models d’emissió de llum per a reactors anulars. Part 1, models clàssics
(Afinidad. Vol.66, n.541 (2009), p.206-213, 2009-05)El disseny d’un reactor químic ha de contemplar normalment, a no ser que puguin simplificar-se, una sèrie de balanços: el de matèria, el d’energia i el de quantitat de moviment. A més d’aquests, un model ... -
Disseny de reactors fotoquímics: Descripció dels models d’emissió de llum per a reactors anulars. Part 2: Model de font extensa
(Afinidad. Vol.66, n.542 (2009), p.278-284, 2009-07)En el disseny d’un reactor fotoquímic és imprescindible conèixer bé la quantitat de llum que arriba a qualsevol punt del reactor, ja que aquesta influirà molt en la velocitat de la reacció. Aquest article ... -
Experimental, computational, and dimensional analysis of the mechanical performance of fused filament fabrication parts
(Polymers, 2021-05-27)Process parameters in Additive Manufacturing (AM) are key factors in the mechanical performance of 3D-printed parts. In order to study their effect, a three-zone model based on the printing pattern was ... -
Generador de funciones periódicas con controlador lógico-programable (PLC)
(Afinidad. Vol.72, n.570 (2015), p.89-94, 2015-04)El análisis frecuencial de sistemas de control se basa en el conjunto de respuestas del proceso a señales senoidales que, en la mayoría de casos de los procesos habituales en la industria química, han ... -
Heteroacoplamientos catalizados por paladio
(Afinidad. Vol.59, n.500 (2002), p.325-336, 2002)Durante los diez últimos años la química del paladio se ha aplicado intensamente en síntesis orgánica debido a su versatilidad y a su gran selectividad. En esta breve revisión se muestran las características ... -
Industria farmacéutica 4.0
(Pharmatech. N.42 (marzo-abril 2019), p.79-82, 2019-03)La implantación de las tecnologías de la industria 4.0 va a producir grandes cambios en la industria química y farmacéutica. Disponer de un modelo claro de lo qué es la industria 4.0 es clave para ... -
Influence of the carbon incorporation on the mechanical properties of TiB2 thin films prepared by HiPIMS
(International Journal of Refractory Metals and Hard Materials. Vol.107 (2022), 105884, 2022-09)Nanostructured TiB2 and TiBC thin films with carbon contents up to 11 at. % were prepared by physical vapor deposition using high power impulse magnetron sputtering (HiPIMS) technology. The influence ... -
Mechanical strengthening in S235JR steel sheets through vibration-assisted ball burnishing
(Metals. Vol.10, n.8 (2020), 1010, 2020-07)The superficial effect of hardening caused after vibration-assisted ball burnishing and its consequences in the tensile behavior of a carbon steel material are studied in this paper. As ball burnishing ... -
Nb–C thin films prepared by DC-MS and HiPIMS: Synthesis, structure, and tribomechanical properties
(Surface and Coatings Technology. Vol.422 (2021), 127569, 2021-09-25)Nanostructured Nb-C thin films were prepared by direct current magnetron sputtering (DC-MS) and high-power impulse magnetron sputtering (HiPIMS). The films were characterized in depth by X-ray diffraction ... -
Pilas de combustible de membrana polimérica
(Afinidad. Vol.68, n.554 (2011), p.246-258, 2011-07)En este trabajo revisamos brevemente las pilas de combustible poliméricas (PEM) basadas en membranas de intercambio protónico y que constituyen la tecnología idónea de pilas de combustible de baja ... -
Simulación de procesos con controladores lógico-programables (PLC’s)
(Afinidad. Vol.71, n.566 (2014), p.95-100, 2014-04)La realización de prácticas en el laboratorio de control de procesos presenta como mayor dificultad el coste asociado al funcionamiento del proceso, debido al consumo de reactivos, de energía o a la ... -
Simulation Approach for Hydrophobicity Replication via Injection Molding
(Polymers, 2021-06-23)Nanopattern replication of complex structures by plastic injection is a challenge that requires simulations to define the right processing parameters. Previous work managed to simulate replication for ...