Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Mervat M. Ibrahim"'
Publikováno v:
Materials, Vol 13, Iss 22, p 5152 (2020)
Gallium (Ga) doped zinc oxide (ZnO) nanocrystals were successfully synthesized via a γ-radiation-assisted polymer-pyrolysis route. Ga doped ZnO samples with Ga and ZnO precursor salts with molar ratios of 0%, 3%, 5%, and 10% were produced. A γ-radi
Externí odkaz:
https://doaj.org/article/1b6f91c568d448c8b497fc23b310c4f2
Autor:
Omayma A. Ghazy, Mervat M. Ibrahim, Faten I. Abou Elfadl, Hany M. Hosni, Eman M. Shehata, Noha M. Deghiedy, Mohammed R. Balboul
Publikováno v:
Journal of Radiation Research and Applied Sciences, Vol 8, Iss 2, Pp 166-172 (2015)
Poly(3,4-ethylenedioxythiophene):Polystyrene sulfonate (PEDOT:PSS) is a dispersion used as a buffer layer on the ITO electrode in the organic solar cells. Silver nanoparticles (Ag NPs) are incorporated to the dispersion using two different strategies
Externí odkaz:
https://doaj.org/article/3d3384281d244058aec73ddc6ed58903
Publikováno v:
International Journal of Metalcasting. 16:1693-1708
In this study, microstructure and mechanical properties of thin wall austempered and intercritically austempered ductile iron with a chemical composition of 3.37%C, 2.7%Si, 0.30%Mn, 0.01%S, 0.01%P, 0.47%Cu, and 0.0371%Mg were investigated. Thin ducti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e5b377e0e0f0265d6b35efcc98a8bb4
https://doi.org/10.1007/s40962-021-00711-7
https://doi.org/10.1007/s40962-021-00711-7
Publikováno v:
Metallography, Microstructure, and Analysis. 10:485-495
The objective of this paper is to enhance service life of excavator bucket teeth for decreasing the idle time required to reinstate the teeth periodically during excavation process. To achieve this goal, medium-carbon steel was chosen with a chemical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6498d07673e120d0d952cd4da024799
https://doi.org/10.1007/s13632-021-00757-3
https://doi.org/10.1007/s13632-021-00757-3
Publikováno v:
Journal of Recent Advances in Medicine. 2:166-172
Background: Teenage pregnancy is a global serious public health and distressing social problem, its prevalence varies among countries and among cities of the same country. Teenage mothers are exposed to maternal morbidity and mortality than women in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e35bedf43854a85506e9ba45bd1081de
https://doi.org/10.21608/jram.2021.50943.1100
https://doi.org/10.21608/jram.2021.50943.1100
Publikováno v:
Egyptian Journal of Chemistry.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddb062a7f6c8d3d6650fed6f8286faf8
https://doi.org/10.21608/ejchem.2022.136138.5996
https://doi.org/10.21608/ejchem.2022.136138.5996
Publikováno v:
Open Journal of Metal. 11:21-35
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::223b6312400f45368150b636eb1a9e57
https://doi.org/10.4236/ojmetal.2021.113003
https://doi.org/10.4236/ojmetal.2021.113003
Autor:
Mervat M. Ibrahim, Khaled M. Ibrahim
Publikováno v:
Transactions of the Indian Institute of Metals. 73:2259-2267
This work was conducted to study the effect of four different nitrogen additions on as-cast microstructure, hardness and impact toughness as well as abrasion wear resistance of high-Cr cast iron containing niobium. The results showed that as nitrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c190aa2990fafbded7c43cf1b96a05d9
https://doi.org/10.1007/s12666-020-02031-6
https://doi.org/10.1007/s12666-020-02031-6
Publikováno v:
International Journal of Metalcasting. 15:500-509
The effect of niobium addition up to 3.4 wt% on the microstructure and mechanical properties of heat-treated high-Cr cast iron containing 13.5 wt% Cr was investigated. Niobium addition caused small hard NbC particles to precipitate within the proeute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bf1c65664a9fb37039474e7c74a6750
https://doi.org/10.1007/s40962-020-00474-7
https://doi.org/10.1007/s40962-020-00474-7
Publikováno v:
Transactions of the Indian Institute of Metals. 73:1027-1041
The inoculation process of molten cast iron defines the final microstructure of the produced castings. The current study is concerned with the microstructure and mechanical properties of ductile iron castings as influenced by the type of inoculant. I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0597ae59ae9637df22e939c1664ac66
https://doi.org/10.1007/s12666-020-01929-5
https://doi.org/10.1007/s12666-020-01929-5