Search Results - "Zawrah, M.F."

Effect of nano ZrO2 on strengthening and electrical properties of Cu-matrix nanocomposits prepared by mechanical alloying by Taha, Mohammed A., Zawrah, M.F.

“…To improve the mechanical properties of sintered Cu-matrix composites, nano ZrO2 was added up to 12wt-% and the mechanical alloying technique was used for…”
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Recycling and utilization assessment of waste fired clay bricks (Grog) with granulated blast-furnace slag for geopolymer production by Zawrah, M.F., Gado, R.A., Feltin, N., Ducourtieux, S., Devoille, L.

“…The study proved a successful method for the feasibility of recycling and valorization process of two industrial by-products and converts them into valuable…”
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Review on nanocomposites fabricated by mechanical alloying by Taha, Mohammed A., Youness, Rasha A., Zawrah, M.F.

“…Composites are composed of multiphase materials, where each phase has specific properties that differ from those of the other phases which can effect on the…”
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Preparation and characterization of nano SiO2@CeO2 extracted from blast furnace slag and uranium extraction waste for wastewater treatment by Dhmees, Abdelghaffar.S., Rashad, Ahmed M., Eliwa, Ahmed A., Zawrah, M.F.

“…Nowadays, ceramic oxides such as SiO2, CeO2 and their hybrid SiO2@CeO2 are considered as interesting materials for many applications. In the present work, SiO2…”
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In-situ formation of Al2O3/Al core-shell from waste material: Production of porous composite improved by graphene by Zawrah, M.F., Taha, Mohammed A., Abo Mostafa, H.

“…Aluminum dross produced from aluminum industry was used to fabricate Al2O3/Al porous composites. The dross was milled for 20 h to obtain nano powder. The…”
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Hydrothermal synthesis, sintering and characterization of nano La-manganite perovskite doped with Ca or Sr by Ngida, Rehab E.A., Zawrah, M.F., Khattab, R.M., Heikal, E.

“…Two lanthanum manganite perovskite-nanostructures, namely; LaxCa(1-x)MnO3 and LaxSr(1-x)MnO3 (x = 0.1, 0.3, 0.5 and 1.0), were synthesized by hydrothermal…”
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Assessment of electric arc furnace dust: Powder characterization and its sinterability as ceramic product by Khattab, R.M., Seleman, M.M. El-Sayed, Zawrah, M.F.

“…Industrial wastes’ disposal and their utilization for production of important sintered ceramic materials is one of the hot topics. Electric arc furnace dust…”
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Effect of processing techniques on properties of porous TiO2 and TiO2/hydroxyapatite composites by Khattab, R.M., Badr, H.A., Zawrah, M.F.

“…This work focuses on studying the effect of processing routes, namely; starch consolidation and freeze gelcasting techniques on the properties of porous TiO2…”
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Stability and electrical conductivity of water-base Al2O3 nanofluids for different applications by Zawrah, M.F., Khattab, R.M., Girgis, L.G., El Daidamony, H., Abdel Aziz, Rehab E.

“…In this study, Al2O3–H2O nanofluids were synthesized using sodium dodecylbenzenesulfonate (SDBS) dispersant agent by ultra-sonication method. Different amounts…”
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Synthesis, characterization and sinterability of pure and Ni-doped nano layered double hydroxides from aluminum dross by Zawrah, M.F., Ghanaym, Eman E., Sadek, H.E.H., El Defrawy, S.A., Ali, Omym A.M.

“…Synthesis of pure and Ni-doped nano Mg-Al layered double hydroxides (LDHs) using aluminum dross is the main goal of the present study. Moreover, the sintering…”
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Recycling of LCW produced form water plants for synthesizing of nano FeO(OH), Al(OH)3, and layered double hydroxide: Effect of heat-treatment by Zawrah, M.F., El Defrawy, S.A., Ali, Omyma A.M., Sadek, H.E.H., Ghanaym, Eman E.

“…Liquid concentrate waste (LCW) is a high concentrated liquid produced as a by-product from water plants. It contains huge amounts of aluminum and iron…”
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Physico-mechanical and photoluminescence properties of EuxMg2−xSiO4 system sintered under different conditions by Reda, A.E., Khattab, R.M., Sadek, H.E.H., Zawrah, M.F., Hamdy, Y.M.

“…This work focuses on sintering of EuxMg2−xSiO4 (x = 0.0, 0.01, 0.03, 0.05) forsterite ceramics under different conditions and study their microstructures,…”
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Synthesis and characterization of nano MgAl2O4 spinel by the co-precipitated method by ZAWRAH, M. F, HAMAAD, H, MEKY, S

“…Magnesium aluminate (MgAl2O4) spinel powders were prepared by co-precipitation of stoichiometric amounts of magnesium and aluminium chlorides at 80 C…”
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Synthesis of anatase nano wire and its application as a functional top layer for alumina membrane by Zawrah, M.F., Khattab, R.M., Girgis, L.G., El Shereefy, E.E., Sawan, S.E. Abo

“…Nowadays, the structural and functional deficiencies of ceramic membranes prepared by conventional approaches are of particular research of interest. In the…”
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Investigation of lattice constant, sintering and properties of nano Mg–Al spinels by Zawrah, M.F.

“…Mg–Al spinel powders with a molar ratios (Al 2O 3/MgO) of 1.0, 1.1, 1.2, 1.3 and 1.4 were prepared by co-melting method from the corresponding magnesium and…”
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Effect of CTAB as a foaming agent on the properties of alumina ceramic membranes by Zawrah, M.F., Khattab, R.M., Girgis, Lamey G., El Shereefy, E.E., Abo Sawan, S.E.

“…Alumina-ceramic membranes were prepared by gelcasting process using CTAB as a foaming agent. To increase the fineness, the starting alumina powder was milled…”
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Effect of SiC–graphite–Al-metal addition on low- and ultra-low cement bauxite castables by Zawrah, M.F., El-Kheshen, A.A., El-Maghraby, A.A.

“…Eight batches of low- and ultra-low cement castables were prepared from calcined Chinese bauxite and high alumina cement (HAC). The effect of alumina-cement…”
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Thermal stability of nc-TiN/a-BN/a-TiB2 nanocomposite coatings deposited by plasma chemical vapor deposition by KARVANKOVA, P, VEPREK-HEIJMAN, M. G. J, ZAWRAH, M. F, VEPREK, S

“…Thermal stability of nc-TiN/a-BN/a-TiB2 nanocomposites prepared by plasma chemical vapor deposition at a total pressure of several mbar and deposition…”
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Effect of cristobalite formation on sinterability, microstructure and properties of glass/ceramic composites by Zawrah, M.F, Hamzawy, E.M.A

“…Six glass/ceramic composite materials were prepared from pure alumina and borosilicate glass (BSG) with chemical composition of 99.0 Al 2O 3 and 80.5 SiO 2,…”
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Hardened and fired geopolymer mortars fabricated from Cyclone’s waste clay and submicron sand: A comparative study by Zawrah, M.F., Abo Sawan, S.E.

“…•Hardened and sintered geopolymer mortars were successfully prepared from waste clay and submicron sand.•The hardened mortars were affected by the percent of…”
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