Results 11 to 20 of about 164,543 (307)

Numerical investigation of laminar flow heat transfer through helically coiled tubes using Al2O3 nanofluid [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Elsayed, AM   +4 more
core   +6 more sources

The effect of precursor composition and sintering additives on the formation of ß-sialon from Al, Si and Al2O3 powders [PDF]

open access: yes, 2011
A study was performed to investigate the effect of increasing the Al or Al2O3 precursor content, above the stoichiometric amount, on the formation of β-sialon by pressureless sintering of Al, Si and Al2O3 powders in flowing nitrogen gas.
Ewing, Helen, Yang, S.
core   +4 more sources

Spark Plasma Sintering of Nano Silicon Carbide Reinforced Alumina Ceramic Composites

open access: yesEuropean Mechanical Science, 2021
Although Al2O3 has been commercially preferred material, it cannot be used in applications subject to variable and sudden loads due to its low fracture toughness.
Mustafa Güven Gök
doaj   +1 more source

Experimental investigation of usage of POE lubricants with Al2O3, graphene or CNT nanoparticles in a refrigeration compressor

open access: yesBeilstein Journal of Nanotechnology, 2023
In this study, the use of nanolubricants containing Al2O3, graphene, and carbon nanotubes (CNTs) at different mass fractions in a refrigeration compressor was experimentally investigated.
Kayhan Dağıdır, Kemal Bilen
doaj   +1 more source

Field-synergy and nanoparticles diameter analysis on circular jet impingement using three oxidewater

open access: yesJournal of Thermal Engineering, 2023
The field synergy study is carried out using three oxide nanofluids impinging circular jet on the horizontal circular disc to analyse the synergetic interaction of cooling processes between temperature and flows fields.
Abanti DATTA, Pabitra HALDER
doaj   +1 more source

Activity for Diesel Particulate Matter Oxidation of Silver Supported on Al2O3, TiO2, ZnO, and CeO2: The Effect of Oxygen Concentration [PDF]

open access: yesE3S Web of Conferences, 2023
Particulate matter (PM) is a problem for human health the major producer of PM are diesel engines. The diesel particulate filters (DPFs) are used for the limitation of the PM.
Promhuad Punya   +5 more
doaj   +1 more source

SPECTRAL STUDIES OF THE PROCESSES OF ALUMINUM NANOPOWDER FORMATION EXPOSED BY SHORT SERIES OF TWIN LASER PULSES IN THE AIR ATMOSPHERE

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2020
The processes of formation of oxidized nanopowders depending on the number of pulses were studied when double laser pulses with an energy of 52 mJ and an interpulse interval of 10 microseconds were applied to an aluminum target placed in a closed ...
Kh. Bazzal   +5 more
doaj   +1 more source

Studies and Research on the Influence of Deposit Parameters on the Characteristics of Composite Coatings Ni-Al2O3 Obtained by Electrochemical Methods

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2021
The paper presents the characterization of composite coatings with nickel matrix using as dispersed phases Al2O3 particles, both from the microstructural point of view and from the point of view of the layer thickness, micro-hardness and corrosion ...
Simona BOICIUC
doaj   +1 more source

Synthesis of New Lanthanide Phosphorescent Pigments from Precursor Na[Ln(edta)(H2O)n] (Ln = Dy, Ho, Yb and Er, n = 1-3) Immobilized on B2O3 /Al2O3 bed [PDF]

open access: yesشیمی کاربردی روز, 2022
Na[Ln(edta)(H2O)n] (Ln = Dy, Ho, Yb and Er, n = 1-3) complexes were synthesized using lanthanide salts and Na4(edta). The synthesized lanthanide complexes were characterized using different techniques including elemental analysis, UV-Vis, FT-IR and ...
Marzieh Daryanavard, Masoomeh Asadi
doaj   +1 more source

Electron paramagnetic resonance evaluation of defects at the (100)Si/Al2O3 interface [PDF]

open access: yes, 2005
Electron paramagnetic resonance (EPR) was conducted on aluminium oxide films deposited by atomic layer deposition on (100)Si. Multiplet spectra are observed, which can be consistently decomposed assuming the presence of only Pb0 and Pb1 centres, which ...
Jones, Benjamin   +7 more
core   +1 more source

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