Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Mohamed A. Afifi"'
Autor:
Tian Zhou, Yangwei Wang, Jiawei Bao, Muhammad Abubaker Khan, Pingluo Zhao, Rui An, Hao Zhang, Mohamed A. Afifi
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7295-7307 (2024)
The Al–Zn–Mg–Cu 7055 aluminum alloy was meticulously fabricated through spray forming (SF) technology, followed by hot extrusion and T76 treatment. This comprehensive process allowed for a thorough investigation of its microstructural character
Externí odkaz:
https://doaj.org/article/f74a89e753d643d3ac6fb1b802380b6a
Autor:
Shang Dai, Luhai Liao, Yun Feng, Weili Yao, Yuxiang Cai, Jamieson Brechtl, Mohamed A. Afifi, Muhammad Abubaker Khan, Ren Zhiying, Jingyuan Li
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 1426-1435 (2024)
The poor mechanical properties exhibited by pure Zn effectively prohibit its utilization as a viable material for biodegradable implants. Hence, the primary area of interest has been directed towards alloy design and process strategies of biodegradab
Externí odkaz:
https://doaj.org/article/ab50f1000b5e46acb77770dfbd8e547f
Autor:
Muhammad Abubaker Khan, Jamieson Brechtl, Muhammad Hamza, Chuangshi Feng, Adil Mansoor, Bushra Jabar, Peter K. Liaw, Mohamed A. Afifi
Publikováno v:
Materials & Design, Vol 243, Iss , Pp 113062- (2024)
This study explored the dynamic-mechanical behavior of a novel low-density (TiNbZr)89(AlTa)11 refractory high-entropy alloy (RHEA) across strain rates ranging from 1.0 × 103 to 3.5 × 103 s−1. A significant increase in the yield and ultimate compr
Externí odkaz:
https://doaj.org/article/675358ec4347402b863244411d4300e7
Reinforcement-Learning-Based Virtual Inertia Controller for Frequency Support in Islanded Microgrids
Publikováno v:
Technologies, Vol 12, Iss 3, p 39 (2024)
As the world grapples with the energy crisis, integrating renewable energy sources into the power grid has become increasingly crucial. Microgrids have emerged as a vital solution to this challenge. However, the reliance on renewable energy sources i
Externí odkaz:
https://doaj.org/article/6c31833935214c12ad123745e8712146
Autor:
Muhammad Abubaker Khan, Chenhao Xu, Muhammad Hamza, Mohamed A. Afifi, Naeem Akhtar Qaisrani, Huibin Sun, Bin Wang, Waheed Qamar Khan, Ghulam Yasin, Wei-Bing Liao
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 696-705 (2023)
An investigation was conducted to study the influence of peak-ageing and double ageing treatments in the precipitation along the different grain boundary orientations of an extruded Al–Zn–Mg–Cu alloy. The results display that the peak-aged grai
Externí odkaz:
https://doaj.org/article/50f1e97f6e9c4cfe9f514019d333d8d0
Autor:
Muhammad Abubaker Khan, Tian-Li Wang, Chuangshi Feng, Huibin Sun, Bin Wang, M. Hamza, Ghulam yasin, Mohamed A. Afifi, Wei-Bing Liao
Publikováno v:
Materials & Design, Vol 222, Iss , Pp 111034- (2022)
The lightweight refractory high entropy alloys (RHEAs) can be considered the best alternative to Ni-based superalloys, which has significantly increased the attention of researchers. In this study, the newly designed lightweight (ρ ∼ 6.2 g/cm3) Al
Externí odkaz:
https://doaj.org/article/e2282a31128a47dbb3712e1bf48d24a5
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 3197 (2023)
In a world where the energy crisis is becoming overwhelming, demand for integrating renewable energy sources is increasing and forming microgrids is becoming an essential solution. The new microgrid systems, which depend mainly on renewable energy so
Externí odkaz:
https://doaj.org/article/cd41d64a07d544c1a4700e27a0e35b93
Autor:
Muhammad Abubaker Khan, Yangwei Wang, Huanwu Cheng, Ghulam Yasin, Abdul Malik, Faisal Nazeer, Tahir Ahmad, Waheed Qamar khan, Muhammad Kamran, Mohamed A. Afifi
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 5, Pp 11980-11992 (2020)
An investigation was conducted to study the effect of soft (220 Hv) and hard (750 Hv) steel projectiles on an Al-Zn-Mg-Cu alloy processed by hot extrusion followed by heat treatment (solid solution treatment at 743 K/1.5 h + ageing treatment at 388 K
Externí odkaz:
https://doaj.org/article/c81a462c717645a28a1ab83313f9809c
Autor:
Muhammad Abubaker Khan, Yangwei Wang, Ghulam Yasin, Faisal Nazeer, Abdul Malik, Tahir Ahmad, Waheed Qamar Khan, Tuan Anh Nguyen, Hao Zhang, Mohamed A. Afifi
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 3977-3983 (2020)
An investigation was conducted to study the effect of high strain rate compression on the microstructure and mechanical properties of a spray deposited and hot formed by forging and extrusion followed by T74 (393 K/8h + 433 K/24 h) heat treatment Al
Externí odkaz:
https://doaj.org/article/21b2f43ae96f4647a4037c7eaaad6e6e
Publikováno v:
Pain Research and Management, Vol 2021 (2021)
Purpose. We conducted this study to explore the hypothesis that the addition of ketamine to levobupivacaine in ultrasound-guided Transversus Abdominis Plane (TAP) block would result in a better and prolonged duration of postoperative analgesia for pa
Externí odkaz:
https://doaj.org/article/d5a5153c409644a189c3349bc42b2c44