Ara es mostren els items 67-86 de 92

    • Manufacturing and application of 3D printed photo fenton reactors for wastewater treatment 

      Nasr Esfahani, Kourosh; Zandi, Mohammad Damous; Travieso Rodríguez, José Antonio; Graells Sobré, Moisès; Pérez Moya, Montserrat (2021-05-04)
      Article
      Accés obert
      Additive manufacturing (AM) or 3D printing offers a new paradigm for designing and developing chemical reactors, in particular, prototypes. The use of 3D printers has been increasing, their performance has been improving, ...
    • Manufacturing and application of raceway ponds for wastewater treatment 

      Nasr Esfahani, Kourosh; Zandi, Mohammad Damous; Travieso Rodríguez, José Antonio; Graells Sobré, Moisès; Pérez Moya, Montserrat (2019)
      Comunicació de congrés
      Accés obert
    • Mechanical characterization of thermoplastic elastomers based on olefin processed through material extrusion 

      Adrover Monserrat, Bàrbara; Llumà Fuentes, Jordi; Jerez Mesa, Ramón; Travieso Rodríguez, José Antonio (Springer Nature, 2023-05-12)
      Article
      Accés obert
      Thermoplastic elastomeric materials are processable through 3D printing. These materials demonstrate excellent mechanical properties, along with good flexibility. A better understanding of the creation of bonds between the ...
    • Mechanical properties of 3D-printing polylactic acid parts subjected to bending stress and fatigue testing 

      Travieso Rodríguez, José Antonio; Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Traver Ramos, Oriol; Gómez Gras, Giovanni; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-22)
      Article
      Accés obert
      This 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 

      Llumà Fuentes, Jordi; Gómez Gras, Giovanni; Jerez Mesa, Ramón; Rue Mascarell, Jaume; Travieso Rodríguez, José Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-28)
      Article
      Accés obert
      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 affects the material ...
    • Modelo para predecir el tiempo de pulido de las superfícies de moldes 

      González Rojas, Hernán Alberto; Travieso Rodríguez, José Antonio; Jorba Peiró, Jordi; Llumà Fuentes, Jordi (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • Monitoring of processing conditions of an ultrasonic vibration-assisted ball-burnishing process 

      Estévez Urra, Aida; Llumà Fuentes, Jordi; Jerez Mesa, Ramón; Travieso Rodríguez, José Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-04-30)
      Article
      Accés obert
      Although 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, ...
    • Multi Jet Fusion PA12 manufacturing parameters for watertightness, strength and tolerances 

      Morales Planas, Sergio; Minguella Canela, Joaquim; Llumà Fuentes, Jordi; Travieso Rodríguez, José Antonio; García Granada, Andrés-Amador (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-18)
      Article
      Accés obert
      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, Hernán Alberto; Travieso Rodríguez, José Antonio (2011-09-23)
      Article
      Accés restringit per política de l'editorial
      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 ...
    • Prediction of the force of the ball-burnishing, physical model 

      González Rojas, Hernán Alberto; Travieso Rodríguez, José Antonio (2011)
      Text en actes de congrés
      Accés obert
      En este artículo se desarrolla un modelo físico para predecir la fuerza en el bruñido con bola. El modelo está construido en base a la teoría de la plasticidad. En el desarrollo del modelo se ha encontrado el número ...
    • Predictive model for polishing times in mould finishing 

      González Rojas, Hernán Alberto; Travieso Rodríguez, José Antonio; Llumà Fuentes, Jordi; Jorba Peiró, Jordi; Sánchez Egea, Antonio J. (EUETIB, 2013-12)
      Comunicació de congrés
      Accés obert
      El pulido, proceso final utilizado en la producción de piezas, es a menudo lento y se aplica manualmente. Normalmente define la rugosidad superficial y la precisión de la pieza. Se lleva a cabo utilizando partículas duras ...
    • Solución analítica para el problema de deformación plástica de un cuerpo cilíndrico 

      Travieso Rodríguez, José Antonio; González Rojas, Hernán Alberto (2009)
      Text en actes de congrés
      Accés obert
      En este artículo se relata la obtención de una solución para predecir la presión media hecha por una prensa en un proceso de recalcado de un cuerpo cilíndrico. La principal novedad en este trabajo es la consideración de ...
    • Spectral analysis of forces during a ball-burnishing process assisted by vibrations 

      Gómez Gras, Giovanni; Travieso Rodríguez, José Antonio; Llumà Fuentes, Jordi; Jerez Mesa, Ramón (Destech, 2015)
      Text en actes de congrés
      Accés obert
      One 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 of a ball-burnishing vibration-assisted process 

      Gómez Gras, Giovanni; Travieso Rodríguez, José Antonio; González Rojas, Hernán Alberto; Nápoles Alberro, Amelia; Carrillo, Francisco Javier; Dessein, Gilles (2015-01-01)
      Article
      Accés obert
      First of all, this work refers to the study of the ball-burnishing process assisted by a vibration. It starts by considering that this vibration helps to make the development of this finishing process easier, because it ...
    • Study of the influence of the manufacturing parameters on tensile properties of thermoplastic elastomers 

      Adrover Monserrat, Bàrbara; Llumà Fuentes, Jordi; Jerez Mesa, Ramón; Travieso Rodríguez, José Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2022-01-31)
      Article
      Accés obert
      Additive manufacturing (AM) has increased its field of application, not only for prototypes but also for final parts. Therefore, the need of study new materials is currently growing. This paper aims to study the effect of ...
    • Study of the lateral pass width for conventional and ultrasonic vibrations-assisted ball burnishing on Ti-6Al-4V specimens 

      Jerez Mesa, Ramón; Gómez Gras, Giovanni; Llumà Fuentes, Jordi; Travieso Rodríguez, José Antonio (2016)
      Text en actes de congrés
      Accés obert
      Ball burnishing is a technological finishing process based on plastic deformation of the objective surface by means of a hard ball gliding over it. Along with its easiness of application, possible on the same machine where ...
    • Study of the manufacturing process effects of fused filament fabrication and injection molding on tensile properties of composite PLA-wood parts 

      Zandi, Mohammad Damous; Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Jorba Peiró, Jordi; Travieso Rodríguez, José Antonio (2020-05-30)
      Article
      Accés restringit per política de l'editorial
      The present study evaluates the effects of manufacturing parameters on the tensile properties of a commercial composite material based upon polylactic acid (PLA) with wood fibers known as Timberfill. The specimens are built ...
    • Superficial effects of ball burnishing on TRIP steel AISI 301LN sheets 

      Jerez Mesa, Ramón; Fargas Ribas, Gemma; Roa Rovira, Joan Josep; Llumà Fuentes, Jordi; Travieso Rodríguez, José Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-03)
      Article
      Accés obert
      This paper explores the consequences of applying an ultrasonic vibration-assisted ball burnishing process and its non-vibration assisted version on the topology and subsurface microstructure of a transformation-induced ...
    • Surface roughness assessment after different strategy patterns of ultrasonic ball burnishing 

      Jerez Mesa, Ramón; Gómez Gras, Giovanni; Travieso Rodríguez, José Antonio (2017-10-05)
      Article
      Accés obert
      Ball burnishing is a comprehensive finishing process consisting on deforming plastically a certain surface by the action of a rolling sphere-shaped indenter. In this work, an AISI 1038 workpiece is burnished in two phases. ...
    • Surface roughness assessment after different strategy patterns of ultrasonic ball burnishing 

      Jerez Mesa, Ramón; Gómez Gras, Giovanni; Travieso Rodríguez, José Antonio (2017)
      Comunicació de congrés
      Accés obert
      Ball burnishing is a comprehensive finishing process consisting on deforming plastically a certain surface by the action of a rolling sphere-shaped indenter. In this work, an AISI 1038 workpiece is burnished in two phases. ...