Zobrazeno 1 - 10
of 1 413
pro vyhledávání: '"R Ammar"'
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34676- (2024)
This study explores the functional characteristics (erosion, corrosion, mechanical damage, and microstructural features) of non-stick cookware made from aluminum alloys. Typically coated with polytetrafluoroethylene (PTFE-Teflon) or ceramic for non-s
Externí odkaz:
https://doaj.org/article/e516b6463a6443019a142a098d89fb4f
Publikováno v:
In Heliyon 30 July 2024 10(14)
Autor:
Samir Ali Elborolosy, Lamis Ahmed Hussein, Hamada Mahran, Hany R. Ammar, S. Sivasankaran, Safa Fathy Abd El-Ghani, Mohamed Yehia Abdelfattah, Ahmed Wael Abou-Zeid, Shereen Hafez Ibrahim, Mohamed Mostafa Elshamaa
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e20932- (2023)
Scientific backgrounds: Development of nanostructured biodegradable alloys has generated a great deal of interest in the recent years as they offer promising bioactive materials for reconstruction of bony defects following traumatic fractures or surg
Externí odkaz:
https://doaj.org/article/301bdc76293845b2b80727828cf8d04a
Autor:
Hany R. Ammar, Sayed M. Saleh, Subbarayan Sivasankaran, Abuzar E. A. E. Albadri, Fahad A. Al-Mufadi
Publikováno v:
Applied Sciences, Vol 13, Iss 24, p 13119 (2023)
The present study examined the migration of elements from aluminum cooking pots to foods after the cooking process. This study investigated the impact of pot quality (manufacturer), pot type (traditional or pressure cooker), water supply (tap water/m
Externí odkaz:
https://doaj.org/article/ea127d3b7d42469eb27021292b6fa3c7
Autor:
Subbarayan Sivasankaran, El-Sayed M. Sherif, Hany R. Ammar, Abdulaziz S. Alaboodi, Abdel-baset H. Mekky
Publikováno v:
Crystals, Vol 13, Iss 4, p 605 (2023)
This study investigates the influence of 3 vol.% Al2O3, 3 vol.% TiO2, and 3 vol.% Y2O3 in the CrFeCuMnNi equimolar high-entropy alloy on its microstructural changes and corrosion resistance. These oxide-dispersed high-entropy composites (ODS-HECs) we
Externí odkaz:
https://doaj.org/article/4098a5fb8df943c488905d38d02bfae1
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 2, Pp 893-904 (2020)
Marine diesel engine is widely used in merchant ships as a propulsion system. The wasted heat of the diesel engines is one of the main drawbacks in this system. The aim of this paper is to recover this wasted heat to be used in designing combined hea
Externí odkaz:
https://doaj.org/article/ab993d9126c94fd68d03f5b372c082d1
Autor:
Subbarayan Sivasankaran, Hany R. Ammar, Bandar Almangour, Samir Ali Elborolosy, Abdel-baset H. Mekky, Abdulaziz S. Alaboodi
Publikováno v:
Crystals, Vol 12, Iss 12, p 1777 (2022)
FeMn30Cu5 is a biodegradable and multi-component alloy that can be used to repair bone defects in load-bearing parts in the medical field. This work focuses on studying the influence of milling time and ball-to-powder ratio (BPR) on the mechanical be
Externí odkaz:
https://doaj.org/article/6d0b5696323d40229e6cd8b69c33545f
Autor:
CLEO Collaboration, al, R. Ammar et
Publikováno v:
Phys.Rev.D57:1350-1358,1998
Using the CLEO detector at the Cornell Electron Storage Ring, we have made a measurement of R=sigma(e+e- ->hadrons)/sigma(e+e- ->mu+mu-) =3.56+/-0.01+/-0.07 at ECM=10.52 GeV. This implies a value for the strong coupling constant of alpha_s(10.52 GeV)
Externí odkaz:
http://arxiv.org/abs/hep-ex/9707018
Publikováno v:
Crystals, Vol 11, Iss 11, p 1413 (2021)
The densification behavior of FeCrCuMnTi (HEA1), FeCrCuMnTiV (HEA2), and FeCrCuMnTiVZn (HEA3) equiatomic high-entropy alloys (HEAs) was explored using different uniaxial quasi-static controlled compaction (1 mm/min). These HEAs were synthesized by me
Externí odkaz:
https://doaj.org/article/e16948301a4a42e4b4f3e01c49b394cf
Autor:
Ibrahim S. Seddiek, Nader R. Ammar
Publikováno v:
Ships and Offshore Structures. :1-10