Enviaments recents

  • 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
    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 ...
  • Analysis of the micro and substructural evolution during severe plastic deformation of ARMCO iron and consequences in mechanical properties 

    Muñoz Bolaños, J.A.; Higuera Cobos, Oscar Fabián; Benito Páramo, José Antonio; Bradai, Djamel; Khelfa, T.; Cabrera Marrero, José M. (2019-01-07)
    Article
    Accés restringit per política de l'editorial
    ARMCO iron processed by ECAP up to a maximum equivalent strain of sixteen ECAP passes following route Bc was investigated by Electron Back Scattering Diffraction (EBSD), Transmission Electron Microscopy (TEM), TEM-EBSD and ...
  • In-situ nanocomposite in friction stir welding of 6061-T6 aluminum alloy to AZ31 magnesium alloy 

    Abdollahzadeh, A.; Shokuhfar, A.; Cabrera Marrero, José M.; Zhilyaev, Alexander P.; Omidvar, H. (2019-01-01)
    Article
    Accés restringit per política de l'editorial
    Prior to friction stir welding (FSW), silicon carbide (SiC) nanopowders were placed inside the groove on the adjacent side of magnesium sheet. In order to make a good distribution of these nanoparticles, first, friction ...
  • Thermal stability of ARMCO iron processed by ECAP 

    Muñoz Bolaños, J.A.; Higuera Cobos, Oscar Fabián; Hernández Expósito, Ana; Boulaajaj, Ahmed; Cabrera Marrero, José M. (2018-10-01)
    Article
    Accés restringit per política de l'editorial
    The thermal stability of ARMCO iron processed by equal-channel angular pressing (ECAP) up to a true strain of 16 was investigated by differential scanning calorimetry (DSC). Particularly, the analysis was focused on deriving ...
  • Influence of severe plastic deformation in phase transformation of superduplex stainless steels 

    Llorca Isern, Nuria; Biserova Tahchieva, Alisiya; López Jiménez, Isabel; Calliari, Irene; Cabrera Marrero, José M.; Roca, Antoni (Springer, 2019-02-01)
    Article
    Accés restringit per política de l'editorial
    Duplex and superduplex stainless steels are characterised by high corrosion resistance and high mechanical strength. However, these steels can suffer formation of secondary brittle phases when they reach temperatures between ...
  • Grain growth behaviour of an AISI 422 martensitic stainless steel after hot deformation process 

    Ahmadabadi, R. Mohammadi; Naderi, M.; Mohandesi, J. Aghazadeh; Cabrera Marrero, José M. (2018-04-03)
    Article
    Accés obert
    The metadynamic softening behaviour and grain size refinement of an AISI 422 martensitic stainless steel in the temperature range of 950–1150°C was investigated by double-hit compression tests. The deformed specimens were ...
  • The Effect of changing chemical composition in dissimilar Mg/Al friction stir welded butt joints using zinc interlayer 

    Abdollahzadeh, A.; Shokuhfar, A.; Cabrera Marrero, José M.; Zhilyaev, A. P.; Omidvar, H. (Elsevier Ltd, 2018-08)
    Article
    Accés obert
    In this study, solid state joining technology of friction stir welding (FSW) was carried out for Al and Mg butt joints. To improve the microstructural characteristics of the banded structure zone, before to the FSW process, ...
  • 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 ...
  • Microstructural investigation of Al-Mg/B4C composite deformed at elevated temperature 

    Rezayat, Mohammad; Parsa, M. H.; Mirzadeh, Hamed; Cabrera Marrero, José M. (2018-09-30)
    Article
    Accés obert
    The microstructure evolution of Al-3wt.%Mg reinforced with 10¿vol% B4C during isothermal compression at temperatures ranging 300–500¿°C at strain rates of 0.001–10 s-1 was investigated by electron backscatter diffraction ...
  • 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 ...
  • Structural evaluation and mechanical properties of AZ31/SiC nano-composite produced by friction stir welding process at various welding speeds 

    Abdollahzadeh, A.; Shokuhfar, A.; Omidvar, H.; Cabrera Marrero, José M.; Solonin, A.; Ostovari, A.; Abbasi, M. (Professional Engineering Publishing, 2017-05-12)
    Article
    Accés obert
    A metal matrix composite made of AZ31 containing SiC nano-particles was successfully produced by friction stir welding (FSW), and the effect of processing parameters such as rotational and transversal speeds on the ...
  • High-temperature deformation of delta-processed Inconel 718 

    Páramo-Kañetas, Pedro; Ozturk, Utkudeniz; Calvo Muñoz, Jessica; Cabrera Marrero, José M.; Guerrero Mata, Martha P. (2018-05-01)
    Article
    Accés restringit per política de l'editorial
    © 2017 Elsevier B.V. The hot-flow behavior of Inconel 718 subjected to delta processing (DP) was analyzed. Hot compression tests were subsequently performed at 960 °C and 1020 °C at the four different strain rates of 0.001, ...

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