Browsing by Author "González Rojas, Hernan Alberto"
Now showing items 1-20 of 48
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A hybrid mixed double-sided incremental forming method for forming Ti6Al4V alloy
(2016-05-12)
Article
Restricted access - publisher's policyIncremental forming can be an alternative manufacturing means in producing biomedical parts characterized by the need of patient-specific geometry. A novel hybrid dieless sheet metal forming process, electrically-assisted ... -
Ball burnishing process to improve surface roughness
(2009-10-16)
Conference lecture
Open Access -
Bottoming bending process assisted by electroplasticity
(EUETIB, 2013-12)
Conference report
Open AccessEste estudio reporta la influencia de los efectos atérmicos de la electroplasticidad en el proceso de doblado por estampa. Se fabrica un generador que generar pulsos de 300A y un ancho de 50μs. Los materiales estudiados ... -
Caracterización del ángulo de inclinación en los planos sagital y frontal de pacientes enfermos de Parkinson utilizando un acelerómetero triaxial
(2012)
Conference lecture
Open AccessUna de las enfermedades que con frecuencia se presenta en la actualidad en personas adultas es la enfermedad de Parkinson (EP). En el proceso de diagnóstico clínico de la misma se utilizan diferentes exámenes clínicos ... -
Caracterización de la placa de una herramienta de bruñido con bola asistida por una vibración ultrasónica
(Publicacions de la Universitat Jaume I (UJI), 2012)
Conference lecture
Open AccessEn la industrial actual existen una gran cantidad de componentes mecánicos de máquinas-herramienta, automóviles, aviones, trenes, barcos, moldes, matrices de conformación, y muchas otras piezas; que deben tener una buena ... -
Casting Fe-Al-based intermetallics microalloyed with Li and Ag
(2016-08-29)
Article
Open AccessThe effect on the mechanical properties at room temperature of Li and Ag additions to the Fe–Al (40 at.%)-based alloy produced by conventional casting were evaluated in this work. Alloying elements were added into a ... -
Characterization of ball-burnishing vibration-assisted process
(EUETIB, 2013-12)
Conference lecture
Open AccessEste trabajo está dirigido al estudio del proceso de bruñido con bola asistido por una vibración. Se parte de considerar que dicha vibración ayudará al proceso, facilitando la deformación que se produce sobre la superficie ... -
Comparativa del proceso de bruñido con bola en máquinas de 3 y 5 ejes en piezas de aluminio A92017 y A 96351
(Publicacions de la Universitat Jaume I (UJI), 2012)
Conference lecture
Open Access -
Differential diagnosis between Parkinson's disease and essential tremor using the smartphone's accelerometer
(2017-08-25)
Article
Open AccessBackground: The differential diagnosis between patients with essential tremor (ET) and those with Parkinson’s disease (PD) whose main manifestation is tremor may be difficult unless using complex neuroimaging techniques ... -
Effect of electroplastic cutting on the manufacturing process and surface properties
(2015-03-13)
Article
Restricted access - publisher's policyThis article reports on a novel machining process technique: in situ electrically-assisted turning process based on the influence of electropulsing. A self-made generator was used to induce a current intensity of 90 A, a ... -
Effect of electropulses on the machinability of a C45E steel
(2019-01-01)
Article
Open AccessThis article compares the machinability of a C45E (AISI/SAE 1045) steel type under two different manufacturing processes: conventional machining and pulsed current assisted machining. The testing procedure consisted on the ... -
Electric power generation from combustion in porous media
(2016-09-12)
Article
Restricted access - publisher's policyCombustion of lean air/fuel mixtures in an inert porous medium provides an efficient way to convert chemical energy of hydrocarbons into thermal energy. The porous medium effectively redistributes the heat allowing the ... -
Electroplastic cutting influence on power consumption during drilling process
(2016-03-12)
Article
Open AccessThe aim of this study is to report the use of non-conventional material removal process technique. It was found that electropulses (EPs) assisted drilling process improves the material machinability based on the eletroplastic ... -
Electropulsing effects on mechanical and metallurgical behavior of AISI-SAE 4140 steel
(2018-10-02)
Article
Open AccessThe electroplasticity phenomenon (EP) produces changes in the mechanical properties of a metal, due to the simultaneous application of mechanical stresses of compression, bending, etc., and high instantaneous current pulses. ... -
Estimation of the polishing time for different metallic alloys in surface texture removal
(2018-01-29)
Article
Open AccessThe aim of this work is to propose a novel analytical model for predicting the polishing time and behavior of the surface texture removal in different metal alloys. The surface texture, resulting from a previous milling ... -
Estudio de la variación de la rugosidad y la dureza superficial en piezas torneadas con asistencia de electroplasticidad
(2014)
Conference report
Open AccessSe presentan los resultados de un trabajo experimental destinado a determinar la variación de la rugosidad y la dureza superficial de algunos metales (aluminio 6061, latón SAE 41 y acero SAE 1020), al ser torneados en ... -
Estudio del fenómeno de electroplasticidad atérmica en el comportamiento mecánico y metalúrgico del acero AISI-SAE 4140 ensayado a tracción
(2018)
Conference report
Open AccessEl fenómeno de electroplasticidad (EP por sus siglas en inglés) consiste en el cambio de las propiedades mecánicas de un metal, debido a la aplicación simultánea de esfuerzos mecánicos de tracción, compresión, flexión, ... -
Evaluation of oscillatory repetitive movements in Parkinson disease and Essential tremor: implications for physiopathology and differential diagnosis
(2009-10-15)
Article
Restricted access - publisher's policy -
Examen final [Curs 2015-2016] - Q2
(Universitat Politècnica de Catalunya, 2016-06-23)
Exam
Restricted access to the UPC academic community -
Examen final [Curs 2016-2017] - Q2
(Universitat Politècnica de Catalunya, 2017-06-23)
Exam
Restricted access to the UPC academic community
