Now showing items 21-40 of 49

  • Experimental characterization of the influence of lateral pass width on results of a ball burnishing operation 

    Gómez Gras, Giovanni; Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón (2015-12-25)
    Article
    Open Access
    Ball burnishing has proved to be a highly effective mechanical finishing process of industrial workpieces, because of the excellent surface roughness and fatigue performance that induces in treated workpieces. In order to ...
  • Experimental study of lateral pass width in conventional and vibrations-assisted ball burnishing 

    Gómez Gras, Giovanni; Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Gomis de la Calle, Bernat (2016-02-20)
    Article
    Open Access
    Burnishing is a mechanical finishing operation performed on workpieces to enhance their surface quality through plastic deformation. One of the main issues to understand the overall process is the behavior of the elastoplastic ...
  • Experimental study on the mechanical effects of the vibration-assisted ball-burnishing process 

    Travieso Rodriguez, Jose Antonio; Gómez Gras, Giovanni; Jorba Peiró, Jordi; Carrillo, F J.; Dessein, Gilles; Alexis, Joël; González Rojas, Hernan Alberto (2015-12-02)
    Article
    Open Access
    Burnishing processes are effective methods for treating pieces to increase their durability and roughness. Studies reveal that traditional burnishing can be strongly improved with the assistance of external energy sources. ...
  • Fatigue lifespan study of PLA parts obtained by additive manufacturing 

    Jerez Mesa, Ramón; Travieso Rodriguez, Jose Antonio; Llumà Fuentes, Jordi; Gómez Gras, Giovanni; Puig Martínez, Daniel (2017-10-05)
    Article
    Open Access
    Currently, 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 lifespan study of PLA parts obtained by additive manufacturing 

    Jerez Mesa, Ramón; Travieso Rodriguez, Jose Antonio; Llumà Fuentes, Jordi; Gómez Gras, Giovanni; Puig, Daniel (2017)
    Conference lecture
    Open Access
    Currently, 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 

    Domingo Espín, Miquel; Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón; Llumà Fuentes, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-11)
    Article
    Open Access
    In 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 

    Gómez Gras, Giovanni; Jerez Mesa, Ramón; Travieso Rodriguez, Jose Antonio; Llumà Fuentes, Jordi (2017-12-13)
    Article
    Open Access
    This 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 the thermal behavior of a RepRap 3D printer liquefier 

    Jerez Mesa, Ramón; Travieso Rodriguez, Jose Antonio; Corbella, Xavier; Busqué, Raquel; Gómez Gras, Giovanni (2016-05-01)
    Article
    Open Access
    The 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 ...
  • Flexural properties and failure mechanism assessment for additive manufactured lom bars on different building orientations 

    Olivier, D.; Travieso Rodriguez, Jose Antonio; Borrós, S; Reyes Pozo, Guillermo (2011)
    Conference lecture
    Open Access
    Plastic Laminated Object Manufacturing has not been assessed from the flexural properties point of view. The deflection range in parts manufactured by this technique is wider than in parts fabricated by other additive ...
  • Hardening effect and fatigue behavior enhancement through ball burnishing on AISI 1038 

    Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón; Gómez Gras, Giovanni; Llumà Fuentes, Jordi; Casadesús Farràs, Oriol; Madueño Guerrero, Manel (Elsevier, 2019-09-30)
    Article
    Restricted access - publisher's policy
    The 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 ...
  • Impresión 3D: Del laboratorio a casa. Programa de divulgación científico-tecnológica sobre la tecnología de impresión 3D 

    Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón; Gómez Gras, Giovanni (EUETIB, 2014-12-01)
    Conference report
    Open Access
    La 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, ...
  • Influence of building orientation on the flexural strength of laminated object manufacturing specimens 

    Olivier, Djamila; Travieso Rodriguez, Jose Antonio; Borrós Gómez, Salvador; Reyes Pozo, Guillermo; Jerez Mesa, Ramón (Springer, 2017)
    Article
    Open Access
    This 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 ...
  • Influence of peak height prior to milling the resulting surface roughness of the ball burnishing process on convex and concave pieces of aluminum 

    Gómez Gras, Giovanni; Travieso Rodriguez, Jose Antonio; González Rojas, Hernan Alberto; Nápoles Alberro, Amelia (2012)
    Conference lecture
    Open Access
    Molds, counterfoils of conformation, and many other industrial pieces with important presentations, face constant the engineers with the problem of obtaining superficial qualities that minimize the friction, optimize the ...
  • Influencia del proceso de bruñido con bola sobre la dureza y las tensiones residuales en el aluminio A92017 

    Travieso Rodriguez, Jose Antonio; González Rojas, Hernan Alberto; Gómez Gras, Giovanni; Nápoles Alberro, Amelia; Sánchez Egea, Antonio José (2012)
    Conference lecture
    Open Access
    El bruñido con bola se realiza, para mejorar el acabado de las piezas que han sido mecanizadas y para obtener una superficie más dura con tensiones residuales a compresión. De este modo se obtendrá una mayor resistencia ...
  • Ingeniería de procesos de fabricación 

    Travieso Rodriguez, Jose Antonio; González Rojas, Hernan Alberto (2011-10-21)
    Book
    Open Access
  • Interactivo para autoaprendizaje del análisis de mecanismos 

    Nápoles Alberro, Amelia; Travieso Rodriguez, Jose Antonio (2008-09-01)
    Article
    Open Access
    Con este informe se da a conocer la herramienta y la metodología utilizada en el aprendizaje de análisis de mecanismos, planteado en la asignatura Mecánica y Teoría de Mecanismos 2 (MTM 2) impartida para la titulación de ...
  • Manufacturing and application of raceway ponds for wastewater treatment 

    Nasr Esfahani, Kourosh; Zandi, Mohammad Damous; Travieso Rodriguez, Jose Antonio; Graells Sobré, Moisès; Pérez Moya, Montserrat (2019)
    Conference lecture
    Open Access
  • Modelo para predecir el tiempo de pulido de las superfícies de moldes 

    González Rojas, Hernan Alberto; Travieso Rodriguez, Jose Antonio; Jorba Peiró, Jordi; Llumà Fuentes, Jordi (2012)
    Conference report
    Restricted access - publisher's policy
  • Multi Jet Fusion PA12 manufacturing parameters for watertightness, strength and tolerances 

    Morales Planas, Sergio; Minguella Canela, Joaquim; Llumà Fuentes, Jordi; Travieso Rodriguez, Jose Antonio; García Granada, Andrés-Amador (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-18)
    Article
    Open Access
    The aim of this paper is to explore the watertightness behaviour for high pressure applications using Multi Jet Fusion technology and polyamide 12 as a material. We report an efficient solution for manufacturing functional ...
  • Physical model to predict the ball-burnishing forces 

    González Rojas, Hernan Alberto; Travieso Rodriguez, Jose Antonio (2011-09-23)
    Article
    Restricted access - publisher's policy
    In this paper, we have developed a physical model to predict the forces of the ball burnishing. The models have been constructed on the basis of the plasticity theory. During the model development we have figured out the ...