Search Results - "El‐Amir, Ahmed A. M."

Maximize the use of municipal waste generated by the hydrogen peroxide industry in the production of high-quality refractory CAC by Amer, Ahmed I. H., El-Maddah, A. A., Abuelela, Ahmed M., Ahmed, Y. M. Z., Hassan, Ali M., El-Amir, Ahmed A. M.

“…High-grade calcium aluminate cement (CAC) has been successfully synthesized from municipal alumina waste and limestone under mild reaction conditions…”
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Nano-alumina powders/ceramics derived from aluminum foil waste at low temperature for various industrial applications by El-Amir, Ahmed A.M., Ewais, Emad M.M., Abdel-Aziem, Ahmed R., Ahmed, Adel, El-Anadouli, Bahgat E.H.

“…In this work, nanoscale single crystalline γ- and α-alumina powders have been successfully prepared from aluminum foil waste precursor via co-precipitation…”
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Effect of waste‐derived MA spinel on sintering and stabilization behavior of partially stabilized double phase zirconia by El‐Amir, Ahmed A. M., Abdelgawad, Mahmoud, Li, Shufeng, Ewais, Emad M. M., El‐Gamal, Safaa M. A.

“…Cubic‐stabilized zirconia ceramic composites have been synthesized by conventional sintering, starting from commercial m‐ZrO2, Y2O3, and waste‐derived…”
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Industrial Waste-Derived Alumina-Zirconia-Silica Low Cement Castable by El-Amir, Ahmed A. M., Bayoumi, Ibrahim M. I., El-korashy, Sabry A., Shalaby, Nasser H., Ewais, Emad M. M.

“…High-strength low-cement castables have been produced for the first time from waste of demolished glass furnaces. Adispersant of long-chain ionizable sodium…”
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Sialon from synthesis to applications: an overview by El-Amir, Ahmed A. M., El-Maddah, A. A., Ewais, Emad M. M., El-Sheikh, Said M., Bayoumi, Ibrahim M.I., Ahmed, Y.M.Z.

“…Sialons are the spotlight of current investigation as low-cost and outstanding alternatives to the currently used metal alloys in various applications. The…”
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IR photoresponse characteristics of Mg2Ge pn-junction photodiodes fabricated by rapid thermal annealing by El-Amir, Ahmed A.M., Ohsawa, Takeo, Oshima, Yuichi, Nakamura, Masaru, Shimamura, Kiyoshi, Ohashi, Naoki

“…In this study, high purity n-type Mg2Ge single crystals are grown in graphite crucibles under nitrogen atmosphere using a facile growth process. X-ray…”
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Highly‐stable, nondegradable M2A‐reinforced YSZ ceramic composites prepared by SPS by Abdelgawad, Mahmoud, Li, Shufeng, Ewais, Emad M. M., El‐Gamal, Safaa. M. A., Hou, Xiaodong, Zhang, Xin, Pan, Deng, El‐Amir, Ahmed A. M.

“…Magnesia‐rich spinel (M2A)‐reinforced yttria‐stabilized zirconia (YSZ) ceramic composites have been fabricated by SPS using m‐ZrO2, Y2O3, and waste‐derived M2A…”
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Optimal conditions and significant factors for fabrication of soda lime glass foam from industrial waste using nano AlN by Ewais, Emad Mohamed M., Attia, Mohammed A.A., El-Amir, Ahmed A.M., Elshenway, Ahmed M.H., Fend, Thomas

“…In the present work, based on the environmental issues and on the properties of glass foams, the foaming behavior of the float glass waste (soda-lime glass…”
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Optical properties of nanocrystalline magnesium aluminate spinel synthesized from industrial wastes by Ewais, Emad M.M., Besisa, Dina H.A., El-Amir, Ahmed A.M., El-Sheikh, Said M., Rayan, Diaa E.

“…In this work, magnesium aluminate spinel (MA) nanoparticles were synthesized via co-precipitation method using industrial wastes of magnesium and aluminum. The…”
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Preparation and some properties of Mg2Si0.53Ge0.47 single crystal and Mg2Si0.53Ge0.47 pn-junction diode by El-Amir, Ahmed A. M., Ohsawa, Takeo, Matsushita, Yoshitaka, Wada, Yoshiki, Shimamura, Kiyoshi, Ohashi, Naoki

“…This paper reports the results on fabrication methodology and photoresponse characteristics of Mg2Si0.53Ge0.47 pn-junction photodiode. At first, we have grown…”
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Optoelectronic characteristics of the Ag-doped Si p-n photodiodes prepared by a facile thermal diffusion process by El-Amir, Ahmed A. M., Ohsawa, Takeo, Ishii, Satoshi, Imura, Masataka, Segawa, Hiroyo, Sakaguchi, Isao, Nagao, Tadaaki, Shimamura, Kiyoshi, Ohashi, Naoki

“…For the full benefit of the silicon chip industry and to further shift the photoresponse cut-off wavelength of the silicon photodetectors, high-performance…”
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Cement kiln dust/rice husk ash as a low temperature route for wollastonite processing by Ewais, Emad M. M., Ahmed, Yasser M. Z., El-Amir, Ahmed A. M., El-Didamony, Hamdy

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Hierarchical bimetallic metal-organic frameworks with controllable assembling sub-units and interior architectures for enhanced ammonia detection by Chowdhury, Silvia, Torad, Nagy L., Godara, Manjeet, El-Amir, Ahmed A.M., Gumilar, Gilang, Ashok, Aditya, Rezaul Karim, Mohammad, Abdullah Alnaser, Ibrahim, Chaikittisilp, Watcharop, Ray, Nirat, Yamauchi, Yusuke, Valentino Kaneti, Yusuf

“…This work reports the fabrication of hierarchical Mn-Co BTC MOFs with tunable assembling sub-units and interiors for NH3 sensing by the QCM technique. The…”
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In-vitro evaluation of wollastonite nanopowder produced by a facile process using cheap precursors for biomedical applications by Amin, Amira M.M., El-Amir, Ahmed A.M., Karunakaran, Gopalu, Kuznetsov, Denis, Ewais, Emad M.M.

“…Wollastonite nanopowder (β-CaSiO3) is the most nanoceramic powder that is most frequently applied in biomedical applications due to its good bioactivity and…”
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Synthesis of nanocrystalline MgO/MgAl2O4 spinel powders from industrial wastes by Ewais, Emad M.M., El-Amir, Ahmed A.M., Besisa, Dina H.A., Esmat, Mohamed, El-Anadouli, Bahgat E.H.

“…This article reports a simple and cost-effective method to prepare ultrafine nanocrystalline MgO/MgAl2O4 spinel (M-MA) powders from industrial wastes arising…”
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Ecofriendly Mg2Si-based photodiode for short-wavelength IR sensing by El-Amir, Ahmed A.M., Ohsawa, Takeo, Nabatame, Toshihide, Ohi, Akihiko, Wada, Yoshiki, Nakamura, Masaru, Fu, Xiuwei, Shimamura, Kiyoshi, Ohashi, Naoki

“…N-type Mg2Si single crystal ingot has been successfully grown by the Vertical Bridgman technique. The Hall Effect measurement at RT revealed a moderate Hall…”
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Utilization of low-cost celestite ore in the production of high-quality calcium-strontium aluminate refractory cement by El-Amir, Ahmed A.M., Amin, Amira M.M., Ewais, Emad M.M., El-Maddah, A.A., Arab, Mohsen, Amer, Ahmed A.

“…Calcium-strontium aluminate cement (CSAC) has been successfully prepared for the first time from celestite mineral and corundum (α-Al2O3) via solid-state…”
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Calcium zirconate–based refractory with improved thermal shock damage resistance from Egyptian dolomite and zirconia through in situ spinel synthesis by Abdelgawad, Mahmoud, Li, Shufeng, El-Amir, Ahmed A. M., Zhang, Xin, Ewais, Emad M. M.

“…Locally found Egyptian dolomite, commercial zirconia, and alumina were used to fabricate calcium zirconate-based refractory with improved thermal shock damage…”
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Aluminium dross/soda lime glass waste-derived high-quality glass foam by El-Amir, Ahmed A.M., Attia, Mohammed A.A., Newishy, M., Fend, Thomas, Ewais, Emad M.M.

“…This work introduces for the first time the use of waste aluminium dross obtained from the aluminium industry as a foaming agent to produce sustainable foam…”
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Rheology of refractory concrete: An article review by Bayoumi, Ibrahim M.I., Ewais, Emad M.M., El-Amir, Ahmed A.M.

“…Ceramic engineers have investigated the rheology of the refractory concrete to keep the balance between the desired characteristics of castables and its flow…”
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