Zobrazeno 1 - 10
of 52
pro vyhledávání: '"A Ibrahim Abd El-Aal"'
Autor:
Mohamed Ibrahim Abd El Aal
Publikováno v:
Materials, Vol 17, Iss 20, p 5061 (2024)
The influence of equal channel angular pressing (ECAP) and cyclic extrusion compression (CEC) of Al-1080 on the pressing load, microstructure, and tensile properties was investigated. The pressing peak loads of the CEC were 218.8–265.4% higher than
Externí odkaz:
https://doaj.org/article/6ee781678a9240cabbabfc97df96a3f8
Autor:
Elshafey Ahmed Gadallah, Mohamed Ibrahim Abd El Aal, Abdelkarim Yousif Mohamed, Hossam Hemdan El-Fahhar
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-18 (2023)
Abstract Welding of dissimilar aluminum alloys has been widely used in many industrial applications. However, the selection of filler type still attracts significant interest in the welding research area. The present work concerns the effect of fille
Externí odkaz:
https://doaj.org/article/fc75535e2a66460d83966058a55673f0
Autor:
Elshafey Ahmed Gadallah, Mohamed Ibrahim Abd El Aal, Abdelkarim Yousif Mohamed, Hossam Hemdan El-Fahhar
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-1 (2023)
Externí odkaz:
https://doaj.org/article/e8cdef52376e40b69e8d561cfcfb2475
Wear and mechanical properties of Al chips and Al chips composites recycled by high-pressure torsion
Autor:
Mohamed Ibrahim Abd El Aal
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 407-427 (2021)
Pure Al chip, Al chip-20% Al2O3, and Al chip-20% SiC samples were recycled using high-pressure torsion (HPT). Influence of the HPT processing on the feasibility of the consolidation, the microstructure evolution, the hardness, and the wear properties
Externí odkaz:
https://doaj.org/article/a5f6afde98a9470e917f354a46eddc98
Autor:
Moustafa Ibrahim Abd EL-Aal Halwag, Mahar Ahmed Doghiem, Moustafa Abdelaziz Moustafa, Hossam Ossama Ahmed Sorour
Publikováno v:
Egyptian Journal of Anaesthesia, Vol 37, Iss 1, Pp 410-417 (2021)
ABSTRACTBackground Patients post-cardiac surgery face multiple challenges, but poorly controlled pain and atelectasis remain major issues that can prolong their recovery journey. The aim of this study was to compare two protocols of postoperative car
Externí odkaz:
https://doaj.org/article/8354274b4c3c492b9b8429d7907025ed
Autor:
Mohamed Ibrahim Abd El Aal
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 12525-12546 (2020)
The microstructure evolution and mechanical properties of an Al6061 alloy severely deformed by equal channel angular pressing (ECAP) and high-pressure torsion (HPT) were studied. The grain refinement of ECAPed and HPTed samples down to ultrafine grai
Externí odkaz:
https://doaj.org/article/d79b738d15f54472adbaaec05cb45ca7
Autor:
Mohamed Ibrahim Abd El Aal, Hossam Hemdan El-Fahhar, Abdelkarim Yousif Mohamed, Elshafey Ahmed Gadallah
Publikováno v:
Materials, Vol 15, Iss 24, p 8827 (2022)
Al-Al2O3 and SiC metal matrix composites (MMCs) samples with different volume fractions up to 20% were produced by high-pressure torsion (HPT) using 10 GPa for 30 revolutions of Al-Al2O3, and SiC and powder metallurgy (PM). The effect of the processi
Externí odkaz:
https://doaj.org/article/0fe76e1001434edaa12c0ad14ce68c46
Autor:
Mohamed Ibrahim Abd El Aal, Hossam Hemdan El-Fahhar, Abdelkarim Yousif Mohamed, Elshafey Ahmed Gadallah
Publikováno v:
Materials, Vol 16, Iss 1, p 216 (2022)
The motivation for the current study was to improve the wear and frictional properties of Al, Al–Al2O3, and SiC MMCs through HPT processing. The wear test using a tungsten carbide (WC) ball was carried out for different PM and HPT-processed Al and
Externí odkaz:
https://doaj.org/article/447dfec5a7414ffa928a73d0ae854d0b
Autor:
Mohamed Ibrahim Abd El Aal
Publikováno v:
Friction, Vol 8, Iss 2, Pp 433-450 (2019)
Abstract The wear characteristics of Cu and Cu-SiC composite microsize powders consolidated by cold compaction combined with sintering or high-pressure torsion (HPT) were investigated. The HPT processed (HPTed) samples with bimodal and trimodal micro
Externí odkaz:
https://doaj.org/article/c74073f713c34cc5b94d16497441bf4b
Publikováno v:
Polymer Composites. 44:2910-2924
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4872373e10ab6c9bda6de9995ac2a48d
https://doi.org/10.1002/pc.27290
https://doi.org/10.1002/pc.27290