Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Yasser Zedan"'
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 332-347 (2024)
The objective of the current work is to establish the conventional mechanisms of grain refining, and the effect of the refiner-modifier interaction in Al-based alloys on the resultant grain refining obtained. The different castings were carried out i
Externí odkaz:
https://doaj.org/article/459f14da41c049a0a85d07467a8dfdb4
Autor:
A.I. Alateyah, Amal BaQais, Mohamed M.Z. Ahmed, Yasser Zedan, Majed O. Alawad, Mohamed S. El-Asfoury, W.H. El-Garaihy
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26400- (2024)
The hexagonal close-packed (HCP) crystal structure of Mg alloys lead to poor formability as well as other undesirable mechanical behaviors in an otherwise highly sought-after alloy for commercial use. This study investigates the evolution of microstr
Externí odkaz:
https://doaj.org/article/ef392da78b2e44e082a3b7925a3522f2
Autor:
Ali Tahmasbi, Jean Brice Mandatsy Moungomo, Agnes M. Samuel, Yasser Zedan, Victor Songmene, Fawzy H. Samuel
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 2, p 83 (2024)
The present study focuses on the dry and wet end milling of three distinct Aluminum 7075 alloys: A7075, A7075–Sc (with a 0.18% Sc addition), and A7075–Li–Sc (containing 2.2% Li and 0.18% Sc additions). The main objective is to explore how cutti
Externí odkaz:
https://doaj.org/article/362c408cf5bb4555abfd8bd07bf1986a
Publikováno v:
Materials, Vol 16, Iss 23, p 7375 (2023)
The present study was performed on three versions of 7075 alloy to which Sc or Sc + Li was added. The alloys were subjected to various aging treatments. The microhardness results show that the highest value of hardness was achieved when the alloy con
Externí odkaz:
https://doaj.org/article/91b908c55a464f6eacd4e3e72268ac2b
Autor:
A.I. Alateyah, Mohamed M.Z. Ahmed, Majed O. Alawad, Sally Elkatatny, Yasser Zedan, Ahmed Nassef, W.H. El-Garaihy
Publikováno v:
Journal of Materials Research and Technology, Vol 17, Iss , Pp 1491-1511 (2022)
Billets of pure Mg were processed using two ECAP dies with internal channel angle of 90° and 120° for 4-passes of route Bc at 225 °C. Finite element analysis was used to investigate the deformation behavior of Mg billets. Electron back-scatter dif
Externí odkaz:
https://doaj.org/article/0fa0d12f0fac4398b682bc82493bf1ed
Publikováno v:
Materials, Vol 16, Iss 19, p 6502 (2023)
In this study, the effects of heat treatment on the microstructure and strength (micro-hardness) of an aluminum–lithium (Al-Li) base alloy containing copper (Cu) and scandium (Sc) were investigated, with a view to enhancing the alloy performance fo
Externí odkaz:
https://doaj.org/article/de86b291a9ee47e5ab0d0978d803011e
Publikováno v:
Materials, Vol 15, Iss 24, p 8844 (2022)
The main objective of this contribution was to determine the impact of magnesium (Mg) concentration and solidification rate (about 800 °C/s) on the mechanical properties of commercial A380.1 die-cast alloy. Respective amounts of 0.10%, 0.30%, and 0.
Externí odkaz:
https://doaj.org/article/b10bc17ca1d14efaa2d3c9c49ad3e3db
Publikováno v:
Materials, Vol 15, Iss 9, p 3297 (2022)
In the present study, the statistical design of experiments (DOE) method was applied to study and control the properties of near-eutectic Al-11%Si alloys. In this study, we developed regression equations between response variables, including hardness
Externí odkaz:
https://doaj.org/article/40cc2cfe3928406eb9e44352b50e39ed
Publikováno v:
Advances in Materials Science and Engineering, Vol 2021 (2021)
The present study was performed on A356 and B319 alloys in mechanically stirred or degassed condition. Melts were Sr-modified and grain-refined. Hydrogen content was varied from less than 0.1 ml/100 g Al to ∼0.4 ml/100 g Al; Fe was increased to 0.8
Externí odkaz:
https://doaj.org/article/96350966bae1402d88838947a37adc17
Autor:
Adel M. A. Mohamed, Ehab Samuel, Yasser Zedan, Agnes M. Samuel, Herbert W. Doty, Fawzy H. Samuel
Publikováno v:
Materials, Vol 15, Iss 4, p 1335 (2022)
The present study was undertaken to examine the effect of iron, manganese, copper and magnesium on the microstructural characteristics of Al-11%Si-2%Cu-Mg-based alloy referred to as 396 under different working conditions. The results show that stront
Externí odkaz:
https://doaj.org/article/14c459d3b66542ccbd6d5a337bb27f2d