Now showing items 1-8 of 8

    • 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
      Restricted access - publisher's policy
      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 ...
    • Ductility and plasticity of ferritic-pearlitic steel after severe plastic deformation 

      Khelfa, T.; Muñoz Bolaños, J.A.; Cabrera Marrero, José M. (2021-02-23)
      Article
      Restricted access - publisher's policy
      A ferritic-pearlitic steel was subjected to severe plastic deformation (SPD) through Equal Channel Angular Pressing (ECAP) at room temperature, obtaining strengths greater than 1 GPa. Steel constituents were identified by ...
    • Effect of ECAP and subsequent annealing on microstructure, texture, and microhardness of a AA6060 aluminum alloy 

      Khelfa, T.; Azzeddine, Hiba; Muñoz Bolaños, J.A.; Cabrera Marrero, José M.; Brisset, François; Helbert, Anne-Laure; Baudin, Thierry; Khitouni, Mohamed (2021-11-15)
      Article
      Restricted access - publisher's policy
      AA6060 aluminum alloy was subjected to severe plastic deformation through equal-channel angular pressing (ECAP) up to 8 passes via route BC. ECAPed samples isochronally annealed for 1 hour at a temperature range of 150-450 ...
    • Effect of loading mode on the microstructural heterogeneity of ultra-fine-grained iron 

      Muñoz Bolaños, J.A.; Cabrera Marrero, José M. (2021-12-01)
      Article
      Restricted access - publisher's policy
      This manuscript analyzes the microstructural changes introduced by both monotonic tensile and cyclic loads in ultrafine-grained Armco iron obtained after severe plastic deformation by equal channel angular pressing. The ...
    • Microstructure and mechanical properties of AA6082-T6 by ECAP under warm processing 

      Khelfa, T.; Muñoz Bolaños, J.A.; Li, F.; Cabrera Marrero, José M.; Khitouni, Mohamed (2019-07-27)
      Article
      Open Access
      An AA6082 alloy deformed by equal channel angular pressing (ECAP) was studied. The evolution of microstructure as a function of the strain imparted was evaluated by optical microscopy (OM), scanning electron microscopy ...
    • Microstructure and strengthening mechanisms in an Al-Mg-Si alloy processed by equal channel angular pressing (ECAP) 

      Khelfa, T.; Rekik, M. A.; Muñoz Bolaños, J.A.; Cabrera Marrero, José M.; Khitouni, Mohamed (2017-11-08)
      Article
      Restricted access - publisher's policy
      The microstructure, mechanical properties, and strengthening mechanisms of an Al-Mg-Si alloy (AA6060) subjected to severe plastic deformation using equal channel angular pressing (ECAP) were investigated. Samples were ...
    • Strain hardening behavior in an AA6060-T6 alloy processed by ECAP 

      Khelfa, T.; Muñoz Bolaños, J.A.; Cabrera Marrero, José M.; Khitouni, Mohamed (2020-09)
      Article
      Open Access
      Strain hardening is a useful mechanism for improving mechanical properties in materials. This study investigates the strain-hardening behavior of an AA6060 alloy processed by equal channel angular pressing (ECAP) up to 12 ...
    • 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
      Open Access
      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 ...