Browsing by Author "Jerez Mesa, Ramón"
Now showing items 21-40 of 49
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Fatigue lifespan study of PLA parts obtained by additive manufacturing
(2017-10-05)
Article
Open AccessCurrently, additive manufacturing (AM) is not limited to prototype manufacturing, but is also used to generate parts with final applications. This paper considers this aspect of 3D printing, and aims to characterize fatigue ... -
Fatigue performance of ABS specimens obtained by fused filament fabrication
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-11)
Article
Open AccessIn this paper, the fatigue response of fused filament fabrication (FFF) Acrylonitrile butadiene styrene (ABS) parts is studied. Different building parameters (layer height, nozzle diameter, infill density, and printing ... -
Fatigue performance of fused filament fabrication PLA specimens
(2017-12-13)
Article
Open AccessThis paper aims to analyze the fatigue response of PLA parts manufactured through fused filament fabrication (FFF). The influence of four factors (layer height, fill density, nozzle diameter and velocity) on the fatigue ... -
Finite element analysis of ball burnishing on ball-end milled surfaces considering their original topology and residual stress
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-14)
Article
Open AccessBall burnishing is a superfinishing operation whose objective is the enhancement of surface integrity of previously machined surfaces, hence its appropriateness to complement chip removal processes at the end of a production ... -
Finite element analysis of the thermal behavior of a RepRap 3D printer liquefier
(2016-05-01)
Article
Open AccessThe aim of this paper is to analyze the performance of a RepRap 3D printer liquefier by studying its thermal behavior, focusing on the convective heat dissipation developed along the liquefier body during the 3D printing ... -
Friction stir welding of AA2024-T3: development of numerical simulation considering thermal history and heat generation
(2021-05-15)
Article
Open AccessThis paper proposes a finite element model implemented in ANSYS using Lagrangian formulation to assess heat generation and friction dynamics of a friction stir welding process on AA2024-T3 aluminum plates. For that aim, ... -
Hardening effect and fatigue behavior enhancement through ball burnishing on AISI 1038
(Elsevier, 2019-12-18)
Article
Open AccessThe objective of this paper is to present a comprehensive study of the effects of ball burnishing on the low cycle fatigue endurance of cylindrical specimens subjected to alternative bending stress, by constructing fatigue ... -
Herramienta de bruñido con puntas intercambiables para el acabado de moldes
(2021)
Conference report
Open AccessEn esta contribución se presenta el resultado del diseño, la fabricación y puesta a punto de una herramienta de bruñido para ser utilizada sobre distintas superficies previamente mecanizadas mediante fresado. El objetivo ... -
Impresión 3D: del laboratorio a casa. FCT-14-8666. Memoria de las actividades realizadas
(2015-12-02)
Research report
Open Access -
Impresión 3D: Del laboratorio a casa. Programa de divulgación científico-tecnológica sobre la tecnología de impresión 3D
(EUETIB, 2014-12-01)
Conference report
Open AccessLa impresión 3D comienza a ser un fenómeno tecnológico en España, dada la gran variedad de modelos a la venta para aquellas personas emprendedoras que deseen disponer de esta tecnología en su entorno doméstico. Sin embargo, ... -
Impresión 3D: Herramienta para la creación de vocación por las carreras técnicas
(2021)
Conference lecture
Open AccessLa finalidad de este artículo es presentar los resultados de una serie de acciones llevadas a cabo para ayudar a crear y consolidar, en un grupo de estudiantes de educación secundaria, vocación hacia las carreras de ... -
Influence of building orientation on the flexural strength of laminated object manufacturing specimens
(Springer, 2017)
Article
Open AccessThis study aims to define the best building orientation for components produced via the Laminated object manufacturing (LOM) technique to enhance their flexural performance. Results of previous research show that components ... -
Influencia del proceso de bruñido en las propiedades superficiales de piezas inclinadas fabricadas con X40CrMoV5
(2021)
Conference report
Open AccessEl proceso de bruñido tiene como finalidad lograr un buen acabado superficial, mejorar las propiedades mecánicas e incrementar la vida útil de piezas con diferentes geometrías. En este estudio se analiza qué efecto tiene ... -
Investigation of ball burnishing process using vibration and acoustic emission sensors
(Institute of Physics (IOP), 2021-10-01)
Article
Open AccessIn this paper, a ball burnishing tool mounted in a CNC lathe is characterized. This tool may work as vibration assisted ball-burnishing tool and in conventional way. The characterization consists of acoustic emission ... -
Mechanical properties of 3D-printing polylactic acid parts subjected to bending stress and fatigue testing
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-22)
Article
Open AccessThis paper aims to analyse the mechanical properties response of polylactic acid (PLA) parts manufactured through fused filament fabrication. The influence of six manufacturing factors (layer height, filament width, fill ... -
Mechanical strengthening in S235JR steel sheets through vibration-assisted ball burnishing
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-28)
Article
Open AccessThe 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 affects the material ... -
Monitoring of processing conditions of an ultrasonic vibration-assisted ball-burnishing process
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-04-30)
Article
Open AccessAlthough numerous references present the beneficial effects on surface integrity of ultrasonic vibration-assisted ball burnishing (UVABB), nothing has been reported about the dynamic behavior of the UVABB tool, workpiece, ... -
Sostenibilidad: la necesaria construcción de un lenguaje compartido: implicaciones para la consecución de una estrategia social consensuada
(Universitat Politècnica de Catalunya, 2010-05)
Master thesis
Open AccessEsta tesina parte de la detección de la falta de un significado consensuado sobre el concepto de Sostenibilidad, que se emplea de manera errónea en numerosos contextos debido a la plastificación que ha sufrido. Esta dinámica ... -
Spectral analysis of forces during a ball-burnishing process assisted by vibrations
(Destech, 2015)
Conference report
Open AccessOne of the most recent innovations in manufacturing engineering has been the assistance of machining, finishing and superfinishing processes with vibrations as a means of improving the mechanical properties of the workpieces. ... -
Study and characterisation of surface integrity modification after ultrasonic vibration-assisted ball burnishing
(Universitat Politècnica de Catalunya, 2018-03-02)
Doctoral thesis
Open Access
Covenantee: Université Toulouse III - Paul SabatierThis dissertation is an experimental research project into the mechanical effects of the ultrasonic vibration-assisted ball burnishing process on the surface integrity of surfaces machined through ball-end milling. Due to ...
