Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Mohammed S. Hamza"'
Publikováno v:
Results in Engineering, Vol 20, Iss , Pp 101612- (2023)
In this work, 3D printing method was used to prepare 17-4 PH SS/additives samples, these additives represented by nickel (Ni), graphene (G) and nickel-graphene (Ni – G) with the volume ratios of 2.5 %, 5 % and 5 % respectively. The printed samples
Externí odkaz:
https://doaj.org/article/f4497c49b17041908085d26cda7ba6bb
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 287-298 (2020)
Fuel cells are one of important renewable energy sources represent scientific trends of contemporary researches that seek to find better alternatives to solve the negatives of organic fuels and biological damage to humans, environment and atmosphere.
Externí odkaz:
https://doaj.org/article/80dd866c3b1e4b499d9564468930284f
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 12, Iss 2 (2017)
Nanoferrite materials have been synthesized by sol-gel auto combustion method. The effect of doping different percentages of Y2O3 (0.34 µm) on the physical and mechanical properties of selected mixed ferrite [(Li2.5Fe0.5) 0.9(Co4Fe2O4) 0.1] by addin
Externí odkaz:
https://doaj.org/article/bf9fe6afafda42e7ad8da1e7fe7e8708
Publikováno v:
Engineering and Technology Journal, Vol 33, Iss 5A, Pp 1079-1094 (2015)
Styrene butadiene rubber (SBR) and natural rubber (NR) composites reinforced with alumina (Al2O3) and precipitated silica (SiO2)particles had been prepared separately by calendaring process.It had been studied the adding effect of the alumina and sil
Externí odkaz:
https://doaj.org/article/51bfe6fd728e418b99fd1f6c323d6078
Publikováno v:
Engineering and Technology Journal, Vol 33, Iss 1A, Pp 154-164 (2015)
Based on a low temperature route (sol-gel autocombustion) a nano-ferrite CoFe2O4and Li0.5Fe2.5O4 and different percentages of cobalt-ferrite are synthesized. The crystalline structure by XRD and dielectric properties with TEM micrographs are presente
Externí odkaz:
https://doaj.org/article/a35fa861465d4c4ebf65c3184ee1572b
Publikováno v:
Engineering and Technology Journal, Vol 31, Iss 16, Pp 3194-3202 (2013)
Titanium dioxide (TiO2) and vanadium oxide (V2O5) in different mixing percentage (100, 50, 0)% from them powders as thin film on substrate of glass .the coating thickness was ( 0.37 ±0.03 μm ). Thin films were inspection by microphotographs with sc
Externí odkaz:
https://doaj.org/article/c48f68cf0af945a5b3199b705becb44e
Publikováno v:
Engineering and Technology Journal, Vol 31, Iss 12, Pp 2311-2319 (2013)
This paper covers the effect of nanocarbon black powder (N220) on the some physical properties (thermal conductivity and water absorption) of unsaturated and epoxy resins filled with nanocarbon black powder (N220). The polymer nanocomposites, were pr
Externí odkaz:
https://doaj.org/article/3fd4e0999659481caf05f0597fb266b7
Publikováno v:
Engineering and Technology Journal, Vol 30, Iss 19, Pp 3457-3466 (2012)
A one-dimensional micro-structured tellurium (Te) microtube and tellurium dioxide (TeO2) microwire were successfully prepared by cold spray process in large scale by a facile approach of sprayed (Te), (TeO2) dry powder in an inert atmosphere using he
Externí odkaz:
https://doaj.org/article/7e45e9f7cad44e35a918112e0ba4df45
Publikováno v:
Engineering and Technology Journal, Vol 29, Iss 5, Pp 856-870 (2011)
Externí odkaz:
https://doaj.org/article/84c8528024944be9b763f52a132dc088
A study of the Hardness and Wear Rate of Elastomer Composites Reinforced by Al2O3 and SiO2 Particles
Publikováno v:
Engineering and Technology Journal, Vol 27, Iss 7, Pp 1422-1434 (2009)
This research deals with the study the effect of adding the silica particles andalumina particles separately with different ratio (5, 10, 15, 20, and 25 pphr) on thehardness and wear rate of natural rubber NR and styrene butadiene rubber SBR. Theresu
Externí odkaz:
https://doaj.org/article/e34a25e7420a4537a357c67efc8deaa4