Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Mohamed S. El-Asfoury"'
Autor:
Mohamed S. El-Asfoury, Mohamed Baraya, Eman El Shrief, Khaled Abdelgawad, Mahmoud Sultan, Ahmed Abass
Publikováno v:
Sensors, Vol 24, Iss 17, p 5509 (2024)
The current study aims to evaluate the performance of the ultrasonic vibration-assisted milling (USVAM) process when machining two different materials with high deviations in mechanical properties, specifically 7075 aluminium alloy and Ti-6Al-4V tita
Externí odkaz:
https://doaj.org/article/b75c537b59244f478ad179cb1b5bd7ea
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
Publikováno v:
Sensors, Vol 24, Iss 5, p 1488 (2024)
This study aims to illustrate the design, fabrication, and optimisation of an ultrasonic welding (UW) machine to join copper wires with non-woven PVC textiles as smart textiles. The study explicitly evaluates UW parameters’ impact on heat generatio
Externí odkaz:
https://doaj.org/article/87d23c096c744c16aeb111c36b193725
Publikováno v:
JOM. 73:2808-2818
The intensification of improving bismuth antimony properties can largely be attributed to its attractive thermoelectric characteristics. However, insufficient mechanical investigation could inhibit its practical applications. In the present study, si
Publikováno v:
Transactions of the Indian Institute of Metals. 72:2827-2838
Equal channel angular pressing (ECAP) is currently the most widely used severe plastic deformation (SPD) process. The current work presents a validated finite element modelling for a new SPD process named “non-equal channel multi-angular extrusion
Publikováno v:
Journal of Alloys and Compounds. 745:331-340
The Bi-Sb material is regarded as a potential thermoelectric (TE) material for low temperature cooling applications and doping is a commonly used way to modulate the thermoelectric performance of this material. In the present study, graphene (Gr) dop
Publikováno v:
Journal of Alloys and Compounds. 887:161399
Bismuth Antimony, Bi0.85Sb0.15 is promising thermoelectric material due to their greater adverse impacts on heat-to-electrical energy conversion. In this study, Bi-Sb nanocomposite with different graphene (Gr) contents (0.25, 0.5, 0.75 and 1.0 wt%) w
Structural and Thermoelectric Properties of Bi85Sb15 Prepared by Non-equal Channel Angular Extrusion
Publikováno v:
Journal of Electronic Materials. 47:242-250
We report on the mechanical and transport properties of polycrystalline bulk Bi85Sb15, as a low-temperature thermoelectric material. Bi85Sb15 samples were prepared by mechanical alloying and hot isostatic pressing, followed by sever plastic deformati
Publikováno v:
WIT Transactions on The Built Environment.
Publikováno v:
Journal of Physics: Conference Series. 939:012019
Thermoelectric properties of bismuth-antimony (Bi-Sb) alloy system were simulated on the basis of first-principles calculation, to discuss the potential for thermoelectric devices. Atomistic model structures of Bi-Sb alloy system were devised in the