Zobrazeno 1 - 10
of 15
pro vyhledávání: '"A R S Essa"'
Autor:
Abdelrahman Younis, Ahmed I Z Farahat, Ahmed Abu-Oqail, A R S Essa, A E EL-Nikhaily, Eman H El-Shenawy
Publikováno v:
Materials Research Express, Vol 7, Iss 1, p 016577 (2020)
Accumulative roll bonding (ARB) technique is used in this paper to produce aluminum/alumina composite sheets. Alumina content was added as 1,3 and 5wt%. The produced Al/Al _2 O _3 composite sheets are piled up and processed by accumulative roll bondi
Externí odkaz:
https://doaj.org/article/315a1d4d5847493fabe255038f39e5e3
Autor:
Fadel S. Hamid, Omayma A. Elkady, A. R. S. Essa, A. El-Nikhaily, Ayman Elsayed, Ashraf K. Eessaa
Publikováno v:
Crystals, Vol 11, Iss 9, p 1081 (2021)
Bi-modal particles are used as reinforcements for Cu-matrix. Nano TiC and/or Al2O3 were mechanically mixed with Cu particles for 24 h. The Cu-TiC/Al2O3 composites were successfully produced using spark plasma sintering (SPS). To investigate the effec
Externí odkaz:
https://doaj.org/article/1f0a6d61c56a4a1f9c9d92d9e2b61094
Autor:
Mohamed M. Z. Ahmed, Ahmed R. S. Essa, Sabbah Ataya, Mohamed M. El-Sayed Seleman, Ali Abd El-Aty, Bandar Alzahrani, Kamel Touileb, Ashraf Bakkar, Joffin J. Ponnore, Abdelkarim Y. A. Mohamed
Publikováno v:
Materials
Volume 16
Issue 5
Pages: 2031
Volume 16
Issue 5
Pages: 2031
This study investigates the effect of tool pin eccentricity and welding speed on the grain structure, crystallographic texture, and mechanical properties of friction stir welded (FSWed) AA5754-H24. Three tool pin eccentricities of 0, 0.2, and 0.8 mm
Publikováno v:
Journal of Petroleum and Mining Engineering. :41-50
Cu-(TiC/Al2O3) nanocomposite was synthesized successfully using the powder metallurgy route. The constituents are first ball-milled and then sintered using the spark plasma sintering technique. The tribological and physical properties are investigate
Publikováno v:
Journal of Petroleum and Mining Engineering. :51-55
Accumulative Roll Bonding (ARB) is a prospective severe plastic deformation (SPD) process that can continuously produce bulk material and has good commercialization potential. This paper aims to study the effect of different ARB cycles in details on
Publikováno v:
Materials; Volume 16; Issue 10; Pages: 3777
The current study uses three different pin eccentricities (e) and six different welding speeds to investigate the impact of pin eccentricity on friction stir welding (FSW) of AA5754-H24. To simulate and forecast the impact of (e) and welding speed on
Publikováno v:
Composites: Mechanics, Computations, Applications: An International Journal. 12:61-79
Publikováno v:
Journal of Composite Materials. 54:1259-1271
In the present study, the aluminum (Al) 1050–FeTiO3 composite was fabricated through accumulative roll bonding process, and the resultant mechanical properties were evaluated at different deformation cycles at ambient temperature. The effect of the
Publikováno v:
Journal of Alloys and Compounds. 781:64-74
Prevention of dissolution of Fe in Cu is a key parameter for production of Cu-Fe dual-matrix nanocomposites with improved properties. To this purpose, GNPs electro-less coated Ag were used for the production of Cu-20%Fe/GNPs nanocomposite with improv
Publikováno v:
JES. Journal of Engineering Sciences. 47:148-156
The effects of semi-spherical pin on mechanical properties and microstructure of 7 mm thick friction stir welded dissimilar aluminum alloys AA7075 and AA5083 were investigated. Threee different pin profiles were used to weld three joints of dissimila