Zobrazeno 1 - 10
of 108
pro vyhledávání: '"Mohamed, Khitouni"'
Autor:
Chérif Ben Ammar, Nawel Khitouni, Marzook Alshammari, Abdulrahman Alsawi, Mohamed Khitouni, Joan-Josep Suñol, Mahmoud Chemingui
Publikováno v:
Metals, Vol 14, Iss 11, p 1302 (2024)
In the current study, X-ray diffraction, scanning electron microscopy, and vibrating sample magnetometer techniques were used to examine the impact of milling time on the microstructural and magnetic characteristics of Fe30Co20Ni20Mn20Ti10 (at%) prod
Externí odkaz:
https://doaj.org/article/824977c4b3b04d68b2b1d5439a27e679
Autor:
Zohra Msetra, Nawel Khitouni, Abdulrahman Alsawi, Mohamed Khitouni, Virgil Optasanu, Joan-Josep Suñol, Mahmoud Chemingui
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 8934-8943 (2023)
A nanocrystalline Fe(Co) phase dispersed within an amorphous matrix was achieved after milling of Fe31Co31B30Ta8 powder mixtures up to 200 h by using a high-energy ball mill. The transformations occurring in the powders during milling were studied wi
Externí odkaz:
https://doaj.org/article/84a774a48eda4557b2128a2ef2a9fc7b
Autor:
Mohamed Khitouni, Joan-Josep Suñol
Publikováno v:
Crystals, Vol 14, Iss 3, p 252 (2024)
This Special Issue entitled “Magnetic, Dielectric, Electrical, Optical and Thermal Properties of Crystalline Materials” is devoted to a general overview of the subject of crystalline materials and may extend to the nanocrystalline field [...]
Externí odkaz:
https://doaj.org/article/f3298b8d0a5f40e482a2cd13fce1d47e
Autor:
Nawel Khitouni, Maha M. Almoneef, Amira Mili, Mohamed Khitouni, Asma Wederni, Joan-Josep Suñol
Publikováno v:
Inorganics, Vol 12, Iss 3, p 63 (2024)
The Mn1.2Co0.05Fe0.7P0.45Si0.5B0.05 compound has been systematically synthesized by mechanical alloying for 15 h, followed by annealing with two heating cycles at 1373 K for 2 h and 1073 K for 24 h. The powder that was milled for 15 h revealed the ma
Externí odkaz:
https://doaj.org/article/f32950a0202c46f8871e1ff65641f3d4
Autor:
Moufida Krimi, Mohammed H. Al-Harbi, Abdulelah H. Alsulami, Karim Karoui, Mohamed Khitouni, Abdallah Ben Rhaiem
Publikováno v:
Crystals, Vol 13, Iss 12, p 1649 (2023)
In the present study, three chemical compounds, Li2WO4, Li0.5Na1.5WO4, and Li1.5Na0.5WO4, are produced using the solid–solid method. Unlike the compound Li0.5Na1.5WO4, which crystallizes in the orthorhombic system with the space group Pmmm, both co
Externí odkaz:
https://doaj.org/article/087191ff1c1244d1a99ffdb4986e29db
Autor:
Wael Ben Mbarek, Mohammed Al Harbi, Bechir Hammami, Mohamed Khitouni, Luisa Escoda, Joan-Josep Suñol
Publikováno v:
Crystals, Vol 13, Iss 6, p 879 (2023)
In this study, the degradation efficiency of Mn-20at%Ni and Mn-30at%Ni particle powders made by melt-spinning and high-energy ball-milling techniques is investigated in relation to the degradation of the azo dye Reactive Black 5. SEM, EDS, and XRD we
Externí odkaz:
https://doaj.org/article/09be420a0ccf4106be3d478c2eed259b
Autor:
Abdulrahman Mallah, Fatimah Al-Thuwayb, Mohamed Khitouni, Abdulrahman Alsawi, Joan-Josep Suñol, Jean-Marc Greneche, Maha M. Almoneef
Publikováno v:
Crystals, Vol 13, Iss 6, p 894 (2023)
The sol-gel process was used to produce ferrite Ni0.3Zn0.7Cr2−xFexO4 compounds with x = 0, 0.4, and 1.6, which were then subsequently calcined at several temperatures up to 1448 K for 48 h in an air atmosphere. X-ray diffraction (XRD), scanning ele
Externí odkaz:
https://doaj.org/article/bab9a9d764694658b3f3158f12511770
Autor:
Mohsen Mhadhbi, İlker Emin Dağ, Barış Avar, Mohamed Khitouni, Mohamed Ali Bousnina, Frédéric Schoenstein, Noureddine Jouini
Publikováno v:
Metals, Vol 13, Iss 6, p 1040 (2023)
Dense nanostructured carbides existing in ternary system Ti-Cr-C were elaborated thanks to a two-steps method. In the first step, nanostructured Ti0.9Cr0.1C carbides were prepared by high-energy planetary ball milling under various times (5, 10, and
Externí odkaz:
https://doaj.org/article/bdbdf1be38384b069e875bdb33b0c758
Autor:
Wael Ben Mbarek, Jason Daza, Lluisa Escoda, Núria Fiol, Eloi Pineda, Mohamed Khitouni, Joan-Josep Suñol
Publikováno v:
Metals, Vol 13, Iss 3, p 474 (2023)
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 alloys needed for the redox pr
Externí odkaz:
https://doaj.org/article/d66d56660ef74ffdaac110b7a411a3d9
Autor:
Hanen Rekik, Bechir Hammami, Mohamed Khitouni, Tarek Bachagha, Joan-Josep Suñol, Mahmoud Chemingui
Publikováno v:
Crystals, Vol 12, Iss 11, p 1644 (2022)
In this work, scanning electron microscopy, X-ray diffraction, and differential scanning calorimetry were used to investigate the solidification structure, thermal behavior, and kinetics of the martensitic transformations of the (Mn,Ni)Sn as-spun and
Externí odkaz:
https://doaj.org/article/5dfd8d1f56e84cf0b430f2dd3c5d83fd