Zobrazeno 1 - 10
of 155
pro vyhledávání: '"Mohamed M. Z. Ahmed"'
Autor:
Hossam Hemdan El-Fahhar, Elshafey Ahmed Gadallah, Mohamed I. A. Habba, Mohamed M. El-Sayed Seleman, Mohamed M. Z. Ahmed, Abdelkarim Yousif Mohamed, Ramy A. Fouad
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Post-weld heat treatment (PWHT) and solid-state thermomechanical treatment (TMT) via friction stir processing (FSP) have been shown to enhance the mechanical properties of aluminum alloys. The current work investigates the effects of PWHT an
Externí odkaz:
https://doaj.org/article/9b9add67016f4e5abdc1666b0b1cc954
Autor:
Ali Abd El-Aty, Yong Xu, Yong Hou, Shi-Hong Zhang, Sangyul Ha, Liangliang Xia, Bandar Alzahrani, Alamry Ali, Mohamed M. Z. Ahmed, Abdallah Shokry
Publikováno v:
Materials, Vol 17, Iss 7, p 1584 (2024)
The flow behaviour of AA2060 Al alloy under warm/hot deformation conditions is complicated because of its dependency on strain rates (ε˙), strain (ε), and deformation modes. Thus, it is crucial to reveal and predict the flow behaviours of this all
Externí odkaz:
https://doaj.org/article/12f9e8aea07b4af0b6f34cf1972ce959
Autor:
Ahmed R. S. Essa, Ramy I. A. Eldersy, Mohamed M. Z. Ahmed, Ali Abd El-Aty, Ali Alamry, Bandar Alzahrani, Ahmed E. El-Nikhaily, Mohamed I. A. Habba
Publikováno v:
Materials, Vol 17, Iss 2, p 433 (2024)
This study investigated the effect of a hemispherical friction stir welding (FSW) tool on the heat generation and mechanical properties of dissimilar butt welded AA5083 and AA7075 alloys. FSW was performed on the dissimilar aluminum alloys AA5083-H11
Externí odkaz:
https://doaj.org/article/01547bdf26264eb4bda41b0c80c9b4f4
Autor:
Ali Abd El-Aty, Yong Xu, Wenlong Xie, Liang-Liang Xia, Yong Hou, Shihong Zhang, Mohamed M. Z. Ahmed, Bandar Alzahrani, Alamry Ali, Xinyue Huang, Arafa S. Sobh
Publikováno v:
Materials, Vol 17, Iss 1, p 104 (2023)
This study aims to investigate the feasibility of hydroforming (HF) technology coupled with response surface optimization for producing high-quality five-branched AISI 304 stainless steel tubes with different diameters, addressing the shortcomings of
Externí odkaz:
https://doaj.org/article/7057ccf8b9bf432aae13de19e589b1f1
Autor:
Ali Abd El-Aty, Cheng Cheng, Yong Xu, Yong Hou, Jie Tao, Shenghan Hu, Bandar Alzahrani, Alamry Ali, Mohamed M. Z. Ahmed, Xunzhong Guo
Publikováno v:
Materials, Vol 16, Iss 23, p 7385 (2023)
Forming tubes with various bending radii without changing the bending dies is much easier for the 3D free bending forming (FBF) process. In the 3D-FBF process, different bending radii were realized by adapting the eccentricities of the bending dies.
Externí odkaz:
https://doaj.org/article/dd7c9eb7592c417797bbe05f7110694b
Autor:
Mahmoud S. I. Ahmed, Mohamed M. Z. Ahmed, Hussein M. Abd El-Aziz, Mohamed I. A. Habba, Ashraf F. Ismael, Mohamed M. El-Sayed Seleman, Ali Abd El-Aty, Ali Alamry, Bandar Alzahrani, Kamel Touileb, Wael M. Fathy
Publikováno v:
Crystals, Vol 13, Iss 11, p 1559 (2023)
The aim of this study is to investigate friction stir welding (FSW) to join A304 austenitic stainless steel and low carbon steel A283 Gr. C in-lap configuration to clad the carbon steel with highly corrosion-resistant stainless steel. Thus, a wide ra
Externí odkaz:
https://doaj.org/article/e583742ecc0c4460a75a73250c8bb0bf
Autor:
Mohamed M. El-Sayed Seleman, Sabbah Ataya, Hayam A. Aly, Barun Haldar, Naser A. Alsaleh, Mohamed M. Z. Ahmed, Ashraf Bakkar, Khaled M. Ibrahim
Publikováno v:
Metals, Vol 13, Iss 11, p 1861 (2023)
The durability of a metallic biomaterial to withstand weight loss is a key factor in determining its service life and performance. Therefore, it is essential to create biomaterials with high wear resistance to ensure the biomaterial has a long servic
Externí odkaz:
https://doaj.org/article/91e8de86a09447068bcd6256c546ccf4
Publikováno v:
Crystals, Vol 13, Iss 10, p 1463 (2023)
This study evaluates two multiscale models to determine their ability to describe the effect of grain size (GS) on the plastic behavior of ultrafine-grained (UFG) and nanocrystalline (NC) materials. One model follows the Hall–Petch type (Model-1),
Externí odkaz:
https://doaj.org/article/aef4645dcdef4048974a082ff523246c
Publikováno v:
Crystals, Vol 13, Iss 10, p 1469 (2023)
AZ91 is one of the most broadly used Mg alloys because of its good castability and reasonable mechanical properties. Strengthening AZ91 with carbon short fibers aims to increase tensile and fatigue strength, creep, and wear resistance. One of the pro
Externí odkaz:
https://doaj.org/article/38f33c74433b40c49eab0ff7c4f4e7d2
Autor:
Yousef G. Y. Elshaghoul, Mohamed M. El-Sayed Seleman, Ashraf Bakkar, Sarah A. Elnekhaily, Ibrahim Albaijan, Mohamed M. Z. Ahmed, Abdou Abdel-Samad, Reham Reda
Publikováno v:
Applied Sciences, Vol 13, Iss 18, p 10255 (2023)
In the aircraft industry, the high-strength aluminum alloys AA7075 and AA2024 are extensively used for the manufacture of structural parts like stringers and skins, respectively. Additive manufacturing (AM) of the AA7075-T6 aluminum alloy via frictio
Externí odkaz:
https://doaj.org/article/9345346081d5413a99587cb3f6477bac