Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Ahmed R"'
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
Publikováno v:
Materials, Vol 16, Iss 10, p 3777 (2023)
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
Externí odkaz:
https://doaj.org/article/1d195a944bf347f88418eec2c90c2c00
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, Vol 16, Iss 5, p 2031 (2023)
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
Externí odkaz:
https://doaj.org/article/3f98370b34794f31add59c9c2cd57cb7
Autor:
Mashael Binhasan, Abdulilah H. Solimanie, Khalid S. Almuammar, Ahmed R. Alnajres, Mai M. Alhamdan, Khold Al Ahdal, Yasser F. Alfaawaz, Khalid Ali, Fahim Vohra, Tariq Abduljabbar
Publikováno v:
Materials, Vol 15, Iss 12, p 4347 (2022)
The aim of the present study was to evaluate the effect of brushing with two whitening dentifrices (Colgate Optic White (COW) and Colgate Optic White Charcoal (COC)) on surface gloss, micro-roughness, and micro-hardness of nanostructured hybrid conve
Externí odkaz:
https://doaj.org/article/1b31ca0e589b44578e309dcb045decdc
Publikováno v:
Materials, Vol 15, Iss 24, p 8865 (2022)
A comparison between lead and silver electrodeposition onto fluorine-doped tin oxide (FTO) electrodes from nitrate solution was investigated in this work. Chronoamperometry has been used as an in situ technique to track the dynamics of the electrodep
Externí odkaz:
https://doaj.org/article/eabfd49cfd8c4dd8bcbbb69087902ac2
Autor:
Atif H. Asghar, Ahmed Rida Galaly
Publikováno v:
Materials, Vol 14, Iss 15, p 4329 (2021)
An experimental study was performed on a low-density plasma discharge using two different configurations of the plasma cell cathode, namely, the one mesh system electrodes (OMSE) and the one mesh and three system electrodes (OMTSE), to determine the
Externí odkaz:
https://doaj.org/article/463ef236b37d453692f2a27f11c627e2
Publikováno v:
Materials, Vol 10, Iss 2, p 135 (2017)
This paper presents an approach to predicting the intrinsic self-healing in concrete using a hybrid genetic algorithm–artificial neural network (GA–ANN). A genetic algorithm was implemented in the network as a stochastic optimizing tool for the i
Externí odkaz:
https://doaj.org/article/3fdc60ea0e914da29d4eaef9f54eaa39