Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Alaa A. Abdul Hamead"'
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102282- (2024)
Green chemistry techniques are increasingly being used to produce nanomaterials from easily accessible natural resources. The present study utilized a cost-effective and environmentally sustainable method to separately synthesize copper oxide, iron o
Externí odkaz:
https://doaj.org/article/091560edb21e432385418264c118cac8
Publikováno v:
Engineering and Technology Journal, Vol 39, Iss 1A, Pp 104-115 (2021)
Because cracks are the main problem of mass concrete, this paper investigates an experimental study on the effect of polypropylene microfiber (PPMFs) on self -repair behavior of mass concrete, through study the microstructure, workability, physical,
Externí odkaz:
https://doaj.org/article/68382ceb7a264fd8b6123812496054ba
Publikováno v:
Defence Technology, Vol 16, Iss 2, Pp 425-431 (2020)
This work describes the preparation and study of the properties of composite nanoparticles prepared by the sol-gel method which consists of two materials (Al2O3-CaO), and study the effect of these nanoparticles on the mechanical behavior of a polymer
Externí odkaz:
https://doaj.org/article/2989d04fbb064a3eb390dbd3e5879da9
Publikováno v:
Materials Research Express, Vol 10, Iss 12, p 125701 (2023)
The tensile zone of concrete is prone to cracking due to its limited ability to withstand tension. To address this issue, steel reinforcement is used in these specific regions. The occurrence of little cracks might potentially facilitate the ingress
Externí odkaz:
https://doaj.org/article/61b7518cc8a64e838cbc04e18f79f37f
Publikováno v:
Journal of Hunan University Natural Sciences. 49:263-273
In orthopedics, increasing the implant lifetime minimizes the need for repair surgery, which benefits the patient’s health and the practice bottom line. The quality of the materials and designs is always being enhanced to reach the ultimate objecti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a562df56efa117ee3a55cd12f215c21
https://doi.org/10.55463/issn.1674-2974.49.6.27
https://doi.org/10.55463/issn.1674-2974.49.6.27
Publikováno v:
Engineering and Technology Journal, Vol 34, Iss 13A, Pp 2398-2405 (2016)
In this paper a lower ratio of two powders; nano and micro titanium dioxide (TiO2) powder were used as additive in fabrication of mortar. Particle size of TiO2 powder were (80nm,1.6µm). These powders were used as additive to the mortar material (0.0
Externí odkaz:
https://doaj.org/article/b3ded9135dfa4f1dbadfedad53c8ffab
Autor:
Alaa A. Abdul-hamead
Publikováno v:
Iraqi Journal of Physics, Vol 17, Iss 41 (2019)
For the first time Iron tungstate semiconductor oxides films (FeWO4) was successfully synthesized simply by advanced controlled chemical spray pyrolysis technique, via employed double nozzle instead of single nozzle using tungstic acid and iron nitra
Externí odkaz:
https://doaj.org/article/444b116cda5c4ef2b76ce1b96655ce55
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 15, Iss 1 (2019)
In this research, we have added nano anatase TiO2 as a partial replacement of Portland cement by a weight percentage of (0.25 to 1%) for the development of properties for protection against bacteria. The control mix was made by using "the cement to s
Externí odkaz:
https://doaj.org/article/9c69615f6b494120a82779f75ef422f2
Autor:
Alaa A. Abdul-Hamead
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 7, Iss 1 (2019)
The aim of this work is to produce samples from Iraqi raw materials like Husyniat Bauxite (raw and burnt) and to study the effect of some additives like white Doekhla kaolin clays and alumina on that material properties were using sodium silica as a
Externí odkaz:
https://doaj.org/article/88895cd5c94e4770bcf45fc8832fe72b
Autor:
Alaa A. Abdul-Hamead
Publikováno v:
Iraqi Journal of Physics, Vol 12, Iss 24 (2019)
In this paper a thin films of selenium was prepare on substrates of n-Si by evaporation in a vacuum technique with thickness about 0.5μm. And then an annealing process was done on samples at two temperature (100 and 200) C ° in a vacuum furnace (10
Externí odkaz:
https://doaj.org/article/d679c20ebca84982a645462317618ae5