Browsing by Author "Khitouni, Mohamed"

Now showing items 1-16 of 16

    • Dealloying of Cu-Mg-Ca alloys 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-08)
      Article
      Open Access
      The chemical dealloying of Cu-Mg-Ca alloys in free corrosion conditions was investigated for different alloy compositions and different leaching solutions. For some of the precursor alloys, a continuous, pure fcc copper ...

    • Degradation of azo dyes by rapidly solidified metallic particles 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Khitouni, Mohamed; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2015)
      Conference lecture
      Open Access
      Azo compounds are one of the most common families of dyes used in textile and leather treatments. An important step during the treatment of water polluted by these compounds, is the degradation of the compounds 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
      Open Access
      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 ...

    • Effects of the Addition of Fe, Co on the azo dye degradation ability of Mn-Al mechanically alloyed powders 

      Mbarek Wael, Ben; Saurina Canals, Joan; Escoda, Lluïsa; Pineda Soler, Eloi; Khitouni, Mohamed; Suñol, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-25)
      Article
      Open Access
      Azo compounds are used in the textile and leather industry. A significant step during the azo dyes treatment of water is the degradation by breaking the N=N bonds. This break produces the decolorization of water. In this ...

    • High efficiency decolorization of azo dye Reactive Black 5 by Ca-Al particles 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (2017-12-01)
      Article
      Open Access
      This work studies the degradation of azo dye Reactive Black 5 by Ca-Al metallic particles prepared by melt-spinning and ball-milling. The morphology and the phase structure of the metallic powders were characterized and ...

    • Magnetic properties and magnetostructural transformations in Cu and Pd doped ferromagnetic Ni-Mn-Sn shape memory alloys 

      Wederni, Asma; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J.; Khitouni, Mohamed (2018)
      Conference lecture
      Open Access

    • Magnetic properties, martensitic and magnetostructural transformations of ferromagnetic Ni-Mn-Sn-Cu shape memory alloys 

      Wederni, Asma; Ipatov, Mihail; Pineda Soler, Eloi; Suñol, Joan Josep; Escoda, Lluïsa; González, Julián María; Alleg, Safia; Khitouni, Mohamed; Zuberek, Ryszard; Chumak, Oleksandr; Nabialek, Adam; Lynnyk, Artem (2020-04-03)
      Article
      Open Access
      The influence of Cu doping on structural and magnetic properties of Ni50-xMn36Sn14- yCux, y (x=0, 1,2 and y=1 at. %) ribbons has been investigated. The crystalline structures of the alloys were resolute by X-ray diffraction ...

    • Martensitic transformation, thermal analysis and magnetocaloric properties of Ni-Mn-Sn-Pd alloys 

      Wederni, Asma; Ipatov, Mihail; Pineda Soler, Eloi; Escoda, Lluïsa; González, Julián María; Khitouni, Mohamed; Suñol, Joan Josep (2020-12-01)
      Article
      Open Access
      Martensitic transition and magnetic response of Ni50-x Pdx,y Mn36 Sn14-y (x = 0, 1, 2 and y = 0, 1) Heusler alloys were analysed. The crystalline structure of each composition was solved by X-ray diffraction pattern fitting. ...

    • 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 ...

    • Nanomaterials as a sustainable choice for treating wastewater: a review 

      Mbarek, Wael Ben; Escoda Acero, Maria Lluïsa; Saurina Canals, Joan; Pineda Soler, Eloi; Alminderej, Fahad M.; Khitouni, Mohamed; Suñol Martinez, Juan Jose (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-01)
      Article
      Open Access
      The removal of dyes from textile effluents utilizing advanced wastewater treatment methods with high efficiency and low cost has received substantial attention due to the rise in pollutants in water. The purpose of this ...

    • Rapid degradation of azo-dye using Mn-Al powders produced by ball-milling 

      Mbarek Wael, Ben; Azabou, M.; Pineda Soler, Eloi; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (2017-01-01)
      Article
      Open Access
      This study was conducted on the reduction reaction of the azo dye Reactive Black 5 by means of the Mn85Al15 particles prepared by melt-spinning and ball-milling processes. The morphology, the surface elementary composition ...

    • Removal of reactive black 5 azo dye from aqueous solutions by a combination of reduction and natural adsorbents processes 

      Mbarek, Wael Ben; Daza Collier, Jason; Escoda Acero, Maria Lluïsa; Fiol Santalo, Núria; Pineda Soler, Eloi; Khitouni, Mohamed; Suñol Martinez, Juan Jose (Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-24)
      Article
      Open Access
      In this study, a combined process of reduction and adsorption for the degradation of azo dye with nanocrystalline Fe80Si10B10 powder as a reducing agent is analyzed. A mechanical alloying technique produced the powdered ...

    • 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 ...

    • Structure and microstructure evolution of Al-Mg-Si alloy processed by equal-channel angular pressing 

      Khelfa, T.; Rekik, M. A.; Khitouni, Mohamed; Cabrera Marrero, José M. (2017-09-01)
      Article
      Open Access
      An ultrafine grained Al–Mg–Si alloy was prepared by severe plastic deformation using the equal-channel angular pressing (ECAP) method. Samples were ECAPed through a die with an inner angle of F = 90° and outer arc of ...

    • Structure and Mössbauer analysis of melt-spun Fe-Pd ribbons containing Ni and Co 

      Rekik, Hanen; Chemingi, Mahmoud; Bachaga, Tarek; Cherif, Amal; Bruna Escuer, Pere; Suñol Martinez, Juan Jose; Khitouni, Mohamed (2015-06-05)
      Article
      Open Access
      Fe68.45Pd28.21Co1.66Ni1.66 alloy in ribbon geometry was produced by melt spinning. The microstructure of the samples was examined using scanning electron microscopy. The structural identification of the as-spun ribbon ...