Search Results - "Elkady, Omayma A."

Powder metallurgy as a perfect technique for preparation of Cu–TiO2 composite by identifying their microstructure and optical properties by Eessaa, Ashraf K., Elkady, Omayma A., El-Shamy, A. M.

“…Powder metallurgy (PM) is a technique that involves the manufacturing of metal powders and their consolidation into finished products or components. This…”
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Effect of Copper Addition on the AlCoCrFeNi High Entropy Alloys Properties via the Electroless Plating and Powder Metallurgy Technique by Hassan, Mohamed Ali, Yehia, Hossam M., Mohamed, Ahmed S. A., El-Nikhaily, Ahmed Essa, Elkady, Omayma A.

“…To improve the AlCoCrFeNi high entropy alloys’ (HEAs’) toughness, it was coated with different amounts of Cu then fabricated by the powder metallurgy…”
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Analysis of Microstructure and Mechanical Properties of Bi-Modal Nanoparticle-Reinforced Cu-Matrix by Hamid, Fadel S., A. Elkady, Omayma, Essa, A. R. S., El-Nikhaily, A., Elsayed, Ayman, Eessaa, Ashraf K.

“…Bi-modal particles are used as reinforcements for Cu-matrix. Nano TiC and/or Al2O3 were mechanically mixed with Cu particles for 24 h. The Cu-TiC/Al2O3…”
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Preparation and Evaluation of Cu-Zn-GNSs Nanocomposite Manufactured by Powder Metallurgy by Hamed, A. T., Mosa, E. S., Mahdy, Amir, El-Batanony, Ismail G., A. Elkady, Omayma

“…Room-temperature ball milling technique has been successfully employed to fabricate copper-zinc graphene nanocomposite by high-energy ball milling of elemental…”
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Direct Observation of Induced Graphene and SiC Strengthening in Al–Ni Alloy via the Hot Pressing Technique by Elkady, Omayma A., Yehia, Hossam M., Ibrahim, Aya A., Elhabak, Abdelhalim M., Elsayed, Elsayed. M., Mahdy, Amir A.

“…In this study, Al/5 Ni/0.2 GNPs/x SiC (x = 5, 10, 15, and 20 wt%) nanocomposites were constituted using the powder metallurgy–hot pressing technique. The SiC…”
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Fabrication and characterization of Ti–12Mo/xAl2O3 bio-inert composite for dental prosthetic applications by Yehia, Hossam. M., El-Tantawy, Ahmed, Elkady, Omayma A., Ghayad, Ibrahim M., Daoush, Walid M.

“…Introduction: Titanium (Ti)-molybdenum(Mo) composites reinforced with ceramic nanoparticles have recently significant interest among researchers as a new type…”
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Effect of Al2O3 nanoparticles content and compaction temperature on properties of Al–Al2O3 coated Cu nanocomposites by Barakat, W.S., Wagih, A., Elkady, Omayma A., Abu-Oqail, A., Fathy, A., EL-Nikhaily, A.

“…This paper presents experimental investigation on the effect of Al2O3 content and compaction temperature on mechanical and wear properties of Al–Al2O3 coated…”
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The effect of Cu coated Al2O3 particle content and densification methods on the microstructure and mechanical properties of Al matrix composites by Barakat, W.S., Habba, Mohamed I.A., Ibrahim, A., Fathy, A., Elkady, Omayma A.

“…In the study, aluminum-based nanocomposites were reinforced with different concentrations of Al2O3 nanoparticles ranging from 0 to 15 wt. %. The Al2O3…”
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Microstructure, hardness, and tribology properties of the (Cu/MoS2)/graphene nanocomposite via the electroless deposition and powder metallurgy technique by Yehia, Hossam M, Abu-Oqail, A, Elmaghraby, Maher A, Elkady, Omayma A

“…To increase the strength and to reduce the wear rate of the copper composite that used as a solid self-lubricant materials, Cu/10MoS2/ (0, 0.2, 0.4, 0.6, 0.8,…”
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Improvement ductility and corrosion resistance of CoCrFeNi and AlCoCrFeNi HEAs by electroless copper technique by Hassan, Mohamed Ali, Ghayad, I.M., Mohamed, A.S.A., El-Nikhaily, Ahmed Essa, Elkady, Omayma A.

“…In this study, the effect of copper coated particles on the properties of CoCrFeNi and AlCoCrFeNi high entropy alloys (HEAs) was studied. Mechanical milling is…”
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Wear resistance, hardness, and microstructure of carbide dispersion strengthened high-entropy alloys by Khallaf, A. Hegazy, Bhlol, M., Dawood, O. M., Elkady, Omayma A.

“…(CrFeCoNi) high-entropy alloy (HEA) was reinforced with various contents of WC particles from 5 wt% to 20 wt%, and prepared by powder metallurgy. The mixed…”
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Studies on the effect of applied load, sliding speed and temperature on the wear behavior of M50 steel reinforced with Al2O3 and / or graphene nanoparticles by Essa, F.A., Elsheikh, Ammar H., Yu, Jingui, Elkady, Omayma A., Saleh, B.

“…The effects of applied load, sliding speed & temperature on the wear behavior of pure M50 alloy steel (M sample) and M50 reinforced with 10 wt.% Al2O3 (MA…”
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ANOVA and DOE of comparative studies of Cu/Mn effect on corrosion features of CoCrFeNi high entropy alloy immersed in different acidic media by Gaber, Ghalia A., Abolkassem, Shimaa A., Elkady, Omayma A., Tash, Mahmoud, Mohamed, Lamiaa Z.

“…The objective of this research is to evaluate the influence of Cu/Mn on the corrosion behavior of CoCrFeNi high entropy alloys (HEAs) prepared via powder…”
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Microstructure and corrosion behavior of FeNiCoCrCu and FeNiCoCrMn high entropy alloys manufactured by powder metallurgy in different acid media by Abolkassem, Shimaa A., Mohamed, Lamiaa Z., Gaber, Ghalia A., Elkady, Omayma A.

“…FeNiCoCr, FeNiCoCrCu, and FeNiCoCrMn HEAs are manufactured by powder metallurgy. All samples powder was compacted at 430, 520, and 610 MPa with the uniaxial…”
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Physico-mechanical, microstructure, and chemical properties of Si/Ti/Nb additions to CoCrMoW medium entropy alloys by Mohamed, Lamiaa Z., Elsayed, Ayman H., Elkady, Omayma A., Abolkassem, Shimaa A.

“…CoCrMoWSi, CoCrMoWTi, and CoCrMoWNb medium entropy alloys (MEAs) were manufactured by powder metallurgy technique. The MEAs were sintered in a vacuum furnace…”
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Experimental study of tribological and mechanical properties of aluminum matrix reinforced by Al2O3/CNTs by Zayed, Ahmed Sh, Kamel, Bahaa M., Abdelsadek Osman, Tarek, Elkady, Omayma A., Ali, Shady

“…In recent years, since the discovery of Nano-additives especially carbon nanotubes (CNTs) and graphene, many interesting articles on composites with CNTs have…”
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Characterization of FeCoNiCr high-entropy alloys manufactured by powder metallurgy technique by Basem, Ali, Hassan, Mohamed Ali, Elkady, Omayma A., El-Shekeil, Y.A., Bendoukha, Samir, Barhoumi, Nabil, Refaey, H.A., Elsheikh, Ammar

“…This study explores the phase constitution, thermal behavior, magnetic characteristics, and mechanical properties of FeCoNiCrCux high-entropy alloys (HEAs)…”
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Effect of consolidation techniques on the properties of Al matrix composite reinforced with nano Ni-coated SiC by Abolkassem, Shimaa A., Elkady, Omayma A., Elsayed, Ayman H., Hussein, Walaa A., Yehya, Hosam M.

“…•Ni coated SiC particles by electroless deposition technique.•Different consolidation techniques for the composites.•Microstructure and X ray diffraction for…”
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Microwave absorbing efficiency of Al matrix composite reinforced with nano-Ni/SiC particles by Elkady, Omayma A., Abolkassem, Shimaa A., Elsayed, Ayman H., Hussein, Walaa A., Hussein, Khalid F.A.

“…•Preparation of Al/Ni-SiC composites by different techniques.•Microstructure and X-ray diffraction investigations.•Density measurement of the…”
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Effect of tungsten carbide (WC) on electrochemical corrosion behavior, hardness, and microstructure of CrFeCoNi high entropy alloy by Khallaf, A. Hegazy, Bhlol, M., Dawood, O. M., Ghayad, I. M., Elkady, Omayma A.

“…High-entropy alloy HEA (CrFeCoNi) was reinforced with variety of weight percentages of 5:20 wt.% WC particles. The alloy samples were mechanically prepared in…”
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