Ara es mostren els items 78-92 de 92

    • 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. ...
    • Topological surface integrity modification of AISI 1038 alloy after vibration-assisted ball burnishing 

      Jerez Mesa, Ramón; Landon, Yann; Travieso Rodríguez, José Antonio; Dessein, Gilles; Llumà Fuentes, Jordi; Wagner, Vincent (Elsevier, 2018-09-15)
      Article
      Accés obert
      The objective of this paper is to analyze the effect of the vibration-assisted ball burnishing process on the topology of AISI 1038 flat surfaces, in order to evaluate its feasibility for surface enhancement towards wear ...
    • Ultrasonic vibration-assisted ball burnishing tool for a lathe characterized by acoustic emission and vibratory measurements 

      Fernández Osete, Ismael; Estévez Urra, Aida; Velázquez Corral, Eric; Valentín Ruiz, David; Llumà Fuentes, Jordi; Jerez Mesa, Ramón; Travieso Rodríguez, José Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-01)
      Article
      Accés obert
      This paper focuses on a resonant system used to induce a low-amplitude movement and ultrasonic frequency to complement a ball burnishing process on a lathe. The system was characterized through the combination of different ...
    • Vibration-assisted ball burnishing 

      Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Travieso Rodríguez, José Antonio (MDPI AG, 2021-06-11)
      Article
      Accés obert
      Vibration-Assisted Ball Burnishing is a finishing processed based on plastic deformation by means of a preloaded ball on a certain surface that rolls over it following a certain trajectory previously programmed while ...
    • Viscoelastic characterization of a thermoplastic elastomer processed through material extrusion 

      Adrover Monserrat, Bàrbara; García Vilana, Silvia; Sánchez Molina, David; Llumà Fuentes, Jordi; Jerez Mesa, Ramón; Travieso Rodríguez, José Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2022-07-18)
      Article
      Accés obert
      Objective. We aim to characterize the viscoelastic behavior of Polyether-Block-Amide (PEBA 90A), provide reference values for the parameters of a constitutive model for the simulation of mechanical behaviors, and paying ...
    • Wear resistance and friction analysis of Ti6Al4V cylindrical ball-burnished specimens with and without vibration assistance 

      Velázquez Corral, Eric; Wagner, Vincent; Jerez Mesa, Ramón; Delbé, Karl; Llumà Fuentes, Jordi; Travieso Rodríguez, José Antonio; Dessein, Gilles (Springer Nature, 2023-02-01)
      Article
      Accés obert
      The objective of the research is to analyze the impact of the ultrasonic vibration assistance on the wear resistance due to the topography enhancement caused on Ti6Al4V cylindrical samples after surface modification through ...
    • Wear resistance enhancement of AISI 1045 steel by vibration assisted ball burnishing process 

      Velázquez Corral, Eric; Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Wagner, Vincent; Dessein, Gilles; Travieso Rodríguez, José Antonio (Elsevier, 2022)
      Article
      Accés obert
      The objective of the research was to analyse the impact of the ultrasonic vibration assistance on the wear resistance and topology enhancement of AISI 1045 cylindrical steel samples after a ball burnishing process. Burnishing ...