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Mihoub1,c, Makki Abdelmouleh3,d, Ilyes Jedidi1,3,e 1University of Technology and Applied Sciences-Suhar, College of engineering and technology, Department of Engineering, 311, Suhar, Sultanate of Oman 2Chemical Engineering Department, Minia University, El-Minia, 61516, Egypt 3Laboratory of Materials Science and Environment (LMSE), Faculty of Science of Sfax, University of Sfax, 4,5 Km Soukra Blvd, 3018, Sfax, Tunisia a*Mohamed.mohamed@utas.edu.om, bsulaiman.alisaee@utas.edu.om, cmohamed.mihoub@utas.edu.om, dmakki.abdmouleh@fss.rnu.tn, eilyes.jedidi@utas.edu.om Keywords: nanocomposite catalyst, photocatalytic degradation, graphene, iron oxide nanoparticles Abstract: In this study, we synthesize the nanocomposites of Fe3O4/graphene using an electrochemical exfoliation followed by thermal treatment.
Abbas et al., "Graphene Synthesis Techniques and Environmental Applications," Materials, vol. 15, no. 21, p. 7804, 2022
BhaskaraRao et al., "Fe3O4 nanoparticles intercalated reduced graphene oxide nanosheets for supercapacitor and lithium-ion battery anode performance," Journal of Materials Science: Materials in Electronics, vol. 34, no. 28, p. 1910, 2023
Huang et al., "Graphene encapsulated Fe3O4 nanorods assembled into a mesoporous hybrid composite used as a high-performance lithium-ion battery anode material," Materials Chemistry Frontiers, vol. 1, no. 6, pp. 1185-1193, 2017
Saleem et al., "A band gap engineering for the modification in electrical properties of Fe3O4 by Cu2+ doping for electronic and optoelectronic devices applications," Journal of Sol-Gel Science and Technology, vol. 109, no. 2, pp. 471-482, 2024

Zhang: Corrosion Science.
Cao: Journal of Materials Engineering, (2011) No.1, P.87-91.
Wu: Chinese Journal of Materials Research, Vol. 5 (2005) No. 19, P.537-548.
Wen: Materials Protection 37, Vol.4 (2004) No.37, P.38-39.
Ding: Journal of Materials Engineering, (2008) No.11, P.51-52.

Phase and Structural Transformations in Heat Resistant Alloys during Direct Laser Deposition Nadine Buczak1,a*, Thomas Hassel1,b*, Nikita Gennadevich Kislov2,3,c, Olga Gennadevna Klimova-Korsmik2,3,d, Gleb Andreevich Turichin3,e, Lubov Aleksandrovna Magerramova4,f 1Gottfried Wilhelm Leibniz University, Institute of Materials Science (IW), Hanover, Germany 2St.
Somonov, Technology of Selective Laser Melting Formation of Heterogeneous Powder Structures, Key Engineering Materials. (2017)
Alzina, Impact of heat treatment on mechanical behaviour of Inconel 718 processed with tailored microstructure by selective laser melting, Materials & Design. (2017)
Kou, Solidification and Liquation Cracking Issues in Welding, Applying Material Science and Engineering. (2003)
Sklyar, Microstructure and Phase Composition of Ni-Based Alloy Obtained by High-Speed Direct Laser Deposition, Journal of Materials Engineering and Performance. (2018)

Materials and Methods The black powder used in the present study was collected from gas transport lines to identify its nature.
Journal of Natural Gas Science and Engineering, 2015. 25: p. 66-76
Oil & gas journal, 2008. 106(30): p. 54-54
Journal of Inorganic and Organometallic Polymers and Materials, 2020. 30(11): p. 4452-4458
MATERIALS PERFORMANCE, 2019. 58(2): p. 24-29

Introduction Cashmere is one of the most precious natural textile materials and it’s honored as king of the animal fiber for its unique light, supple, slippery, and glutinous characteristics.
Experimental Materials.
Textile material study [M].
Henan Pedagogical academy journal [3] Liu Chunjuan.
Textile material experiment course [M].

The steel material has the yielding strength of 407.4MPa.
Acknowledgments This work was supported by Science and Technology Research Project of Zhejiang Provence under Grant Nos: 2012C23036.
Huo: Civil Engineering Journal Vol. 35 (2002), p.25 (in Chinese) [3] Z.
Zhou and J.M.Wang: Applied Mechanics and Materials Vol. 71-78 (2011), p.3721 [7] M.
Wang: Advanced Materials Research Vol.168-170 (2011), p. 674

The semi-finished material is alloy steel X40CrMoV5-1, and the material of the electrode-tool is generally use steel S235JR.
Rajurkar, Selected problems of hybrid machining processes, part I – Electrochemical Discharge Machining (ECDM/ECAM), Advances in Manufacturing Science and Technology. 24, 2 (2000) 25-50
Fascio, Machining of non-conducting materials using electrochemical discharge phenomenon - an overview , International Journal of Machine Tools and Manufacture. 45, 9 (2005) 1095-1108
McGeough, An intelligent pulse classification system for electrochemical discharge machining (ECDM) - a preliminary study, Journal of Materials Processing Technology. 149, 1–3 (2004) 499-503
Paul, Parametric analysis and a soft computing approach on material removal rate in electrochemical discharge machining, International Journal of Manufacturing Technology and Management. 24, 1–4 (2011) 23-39

The DPT [1] has been chosen for technical standardization purpose by ISO normalization to select metallic materials for hydrogen storage and transportation.
The material presented a low texture as seen from X-ray diffractions (Figure 2-b) with levels contained between 0.5 and 1.5 which is low next to textured materials where levels can reach 8.
Transportable gas cylinders – compatibility of cylinder and valve materials with gas contents
[2] Charles Y., Gaspérini M., Disashi J., Jouinot P., “Numerical modeling of the Disk Pressure Test up to failure under gaseous hydrogen”, Journal of Materials Processing Technology, 212, Issue 8, (August 2012), pp. 1761-1770
[6] Wang M., Akiyama E., Tsuzaki K., “Effect of hydrogen and stress concentration on the notch tensile strength of AISI 4135 steel”, Materials Science and Engineering A 398 (2005), p.37-46.

Plaisier: Journal of Membrane Science.
Frost and Peng Yuan: Journal of Hazardous Materials.
Anjaneyulu: Journal of Hazardous Materials.
[23] Özlem Selçuk Kuşçu and Delia Teresa Sponza: Journal of Hazardous Materials.
Vol. 161 (2009), p. 787 [24] Chong-Jian Tang, Ping Zheng, Bao-Lan Hu, Jian-Wei Chen and Cai-Hua Wang: Journal of Hazardous Materials.

The fractal dimension D may be related to the intrinsic physical properties of metal materials, such as hardness and toughness, which needs to be further studied.
Materials and Methods In this study, two kinds of typical metallic materials used for analysis are stainless steel 0Cr18Ni9 and aluminum alloy 2A12, including ferrous and non-ferrous materials.
It is obviously that although the materials varies, both fractal dimension D and surface roughness Ra were even close at the relative movement mode of multi-directional cross-shear, which is used widely and commonly in simulated wear tests and proved to be an effective way to investigate the wear properties of materials, especially in artificial joints, such as UHWMPE for implants in human body [11].
Springerbriefs in Applied Sciences & Technology, 2011, 3: 69-81
Journal of China University of Mining & Technology, 2004, 33(1): 19-24