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  • Machinability estimation by drilling monitoring 

    González Rojas, Hernan Alberto; Nápoles Alberro, Amelia; Sánchez Egea, Antonio José (2018-07-03)
    Article
    Accés obert
    This article describes the development of a methodology to measure the specific cutting energy (SCE) in drilling. The SCE allows to characterize the machining process, thus obtaining a technologic approach to plan the ...

  • Electropulsing effects on mechanical and metallurgical behavior of AISI-SAE 4140 steel 

    Montilla Montaña, Carlos A.; González Rojas, Hernan Alberto; Higuera Cobos, Oscar Fabián; Kallewaard, Valentina; Sánchez Egea, Antonio J (2018-10-02)
    Article
    Accés obert
    The 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. ...

  • 3D printing of porous scaffolds with controlled porosity and pore size values 

    Buj Corral, Irene; Bagheri, Ali; Petit Rojo, Oriol (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-25)
    Article
    Accés obert
    3D printed scaffolds can be used, for example, in medical applications for simulating body tissues or for manufacturing prostheses. However, it is difficult to print porous structures of specific porosity and pore size ...

  • Parameter selection in the design of displacement and motion functions by means of B-splines 

    Zayas Figueras, Enrique Ernesto; Cardona Foix, Salvador; Jordi Nebot, Lluïsa (Springer, 2018-05)
    Article
    Accés restringit per política de l'editorial
    This work analyses the incidence of the parameter selection of B-spline curves, used in the design of displacement and motion functions, on its degree of freedom and shape. A complete design process based on the use of ...

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

    Jerez Mesa, Ramón; Landon, Yann; Travieso Rodriguez, Jose 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 ...

  • Breakage function for HPGR: mineral and mechanical characterization of tantalum and tungsten ores 

    Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Hamid, Sarbast; Oliva Moncunill, Josep; Alfonso Abella, María Pura; García-Vallès, Maite; Bascompta Massanes, Marc; Sanmiquel Pera, Lluís; Escobet Canal, Teresa; Argelaguet Isanta, María Rosa; Escobet Canal, Antoni; Felipe Blanch, José Juan de; Parcerisa Duocastella, David; Peña Pitarch, Esteve (2018-04-20)
    Article
    Accés obert
    The modelling of high pressure grinding rolls is described by the population balance model, a mass balance which includes several functions that are related to the mineral characteristics, material kinetics and operative ...

  • Influence of the regime of electropulsing-assisted machining on the plastic deformation of the layer being cut 

    Hameed, Saqib; González Rojas, Hernan Alberto; Perat Benavides, Josep Ignasi; Nápoles Alberro, Amelia; Sánchez Egea, Antonio J (2018-05-25)
    Article
    Accés obert
    In this article, the influence of electropulsing on the machinability of steel S235 and aluminium 6060 has been studied during conventional and electropulsing-assisted turning processes. The machinability indices such as ...

  • Soluciones conceptuales de un molino de cuchillas a partir de sus requerimientos funcionales 

    Álvarez Cabrales, Alexis; Pérez Rodriguez, Roberto; Gaskins Espinosa, Benjamín Gabriel; Zayas Figueras, Enrique Ernesto (2018-05-06)
    Article
    Accés obert
    En este trabajo, se expone un modelo para la optimización de la síntesis guiada de soluciones conceptuales que permite caracterizar y representar la trazabilidad de los requerimientos funcionales en el diseño de un molino ...

  • Development, characterization and test of an ultrasonic vibration-assisted ball burnishing tool 

    Jerez Mesa, Ramón; Travieso Rodriguez, Jose Antonio; Gómez Gras, David; Llumà Fuentes, Jordi (2018-03-01)
    Article
    Accés obert
    This paper presents the design and characterization of an ultrasonic vibration-assisted ball burnishing (VABB) tool on Ti-6Al-4V. This process is based on the modification of conventional ball burnishing, by means of the ...

  • Neural network modelling of Abbott-Firestone roughness parameters in honing processes 

    Sivatte Adroer, Mauricio; Buj Corral, Irene; Llanas Parra, Francesc Xavier (2017-12-29)
    Article
    Accés obert
    In present study, three roughness parameters defined in the Abbott-Firestone or bearing area curve, Rk, Rpk and Rvk, were modelled for rough honing processes by means of artificial neural networks (ANN). Input variables ...

  • Digital manufacturing: what are we able to print? 

    Muguruza Blanco, Asier; Minguella Canela, Joaquim (David Publishing Co., 2017-07-31)
    Article
    Accés obert
    In a rational exercise, in the present paper it is extrapolated how the development of ICTs (information and communication technologies) and the incipient technological development of additive manufacturing has the potential ...

  • Rotary inverted pendulum with magnetically external perturbations as a source of the pendulum’s base navigation commands 

    Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Mobayen, Saleh; Nápoles Alberro, Amelia; Perez Gracia, Vega (2018-07)
    Article
    Accés restringit per política de l'editorial
    The main objective of this paper is to drive a rotary inverted pendulum by following a desired navigation instruction. This navigation is commanded by the user through a new electromagnetic device which is allowed to perturb ...

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