Zobrazeno 1 - 10
of 306
pro vyhledávání: '"O. Helmy"'
Autor:
Adel T. Abbas, Mohamed O. Helmy, Khalid F. Alqosaibi, Shahid Parvez, Ali S. Hasan, Ahmed Elkaseer
Publikováno v:
Metals, Vol 14, Iss 5, p 514 (2024)
Despite the prevalent application of 18% Ni maraging steel in critical sectors such as aerospace and automotive due to its unique characteristics, including high ductility, yield strength, and hardenability, its machining presents enormous challenges
Externí odkaz:
https://doaj.org/article/4d870f804483468d99e28254182e3600
Autor:
Adel T. Abbas, Mohamed O. Helmy, Abdulhamid A. Al-Abduljabbar, Mahmoud S. Soliman, Ali S. Hasan, Ahmed Elkaseer
Publikováno v:
Machines, Vol 11, Iss 11, p 1001 (2023)
Maraging steel, characterized by its superior strength-to-weight ratio, wear resistance, and pressure tolerance, is a material of choice in critical applications, including aerospace and automotive components. However, the machining of this material
Externí odkaz:
https://doaj.org/article/648772b37efd4ad597a537a37236393c
Publikováno v:
Arab Universities Journal of Agricultural Sciences, Vol 27, Iss 1, Pp 519-527 (2019)
Tomato (Lycopersicon esculentum Mill.) is considered the major and important globally vegetable crops especially in Egypt. Tissue culture techniques have facilitated the induction of mutant which helps in crop improvement. The mutation induction in v
Externí odkaz:
https://doaj.org/article/8b8572554e0e4931a528778fed2b2e8f
Publikováno v:
Wireless Personal Communications. 126:871-893
This paper proposes a novel design of a software-defined matched filter (MF) for digital receivers of synthetic aperture radar (SAR). The block diagram of the proposed receiver is described in detail. The purpose of this filter is to produce a SAR pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f3ebc0a6a260d40bce278a9d1052ae4
https://doi.org/10.1007/s11277-022-09774-z
https://doi.org/10.1007/s11277-022-09774-z
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 115:3467-3484
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8847830feac07c53b334ad036674da81
https://doi.org/10.1007/s00170-021-07383-x
https://doi.org/10.1007/s00170-021-07383-x
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
Arab Universities Journal of Agricultural Sciences. 27:519-527
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b51eba6fa884aa075f088c27417cbae
https://doi.org/10.21608/ajs.2019.43661
https://doi.org/10.21608/ajs.2019.43661
Autor:
M H Elboulkemy, A A I Elbassiouny, Azza A Abd-Elaziz, E F O Helmy, A M N Mohamed, S A M Helal
Publikováno v:
QJM: An International Journal of Medicine. 113
Background Symptomatic carotid stenosis is commonly defined as stenosis in the internal carotid artery, intracranial or extracranial, leading to symptoms of amaurosis fugax, transient ischemic attacks, or ischemic stroke ipsilateral to the lesion. De
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b700ee3361fd0907ac6d286b5e9d427a
https://doi.org/10.1093/qjmed/hcaa054.007
https://doi.org/10.1093/qjmed/hcaa054.007
Publikováno v:
Defect and Diffusion Forum. 382:109-113
Edge trimming process is needed for finishing CFRP components to the required accuracy and surface quality. The bouncing–back effect of CFRP components is very challenging owing to spring back of trimmed edge after cutting tool pass. Ultrasonic ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e119efcc3f36fbd513548390aa970a0
https://doi.org/10.4028/www.scientific.net/ddf.382.109
https://doi.org/10.4028/www.scientific.net/ddf.382.109
Autor:
Kevin Kerrigan, G. Escobar-Palafox, R. Scaife, Mohamed El-Hofy, Mohamed O. Helmy, Hassan El-Hofy
Publikováno v:
Procedia CIRP. 68:535-540
Abrasive water jet machining (AWJM) is widely used in aerospace, marine and automotive industries for trimming composites. However, AWJM demonstrates some challenges when cutting carbon fibre reinforced plastic (CFRP) composites materials such as cut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3ef06d37b2f456b173fe88d276abad8
https://doi.org/10.1016/j.procir.2017.12.109
https://doi.org/10.1016/j.procir.2017.12.109