Numerical investigation of turbulent flow heat transfer and pressure drop of AL2O3/water nanofluid in helically coiled tubes [PDF]
, 2013 Passive convective heat transfer enhancement can be achieved by improving the thermo-physical properties of the working fluid, changing flow geometry or both.
Mahmoud, Saad +7 more
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Rare-earth ion doped Al2O3 for active integrated photonics
Advances in Physics: X, 2021 Aluminum oxide (Al2O3) is an emerging material in integrated photonics. It exhibits a very broad transparency window from the UV to the mid-IR, very low propagation losses and a high solubility for rare-earth ions leading to optical gain in different ...
Ward A. P. M. Hendriks +6 more
doaj +1 more source
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021 A study of formation of mixed Al nanopowders, copper and aluminum oxides, and precursors for production of CuAlO2 and CuAl2O4 nanoceramics under the influence of double laser pulses with energy of 53 mJ and the interpulse interval of 10 microseconds on a
Maxim N. Kovalenko +5 more
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Effects of ZrO2 and Al2O3 Addition on the Physical Properties of Cu-Mo-Cr Alloy by Liquid Phase Sintering [PDF]
Archives of Metallurgy and Materials, 2021 In this study, the effect of the addition of ZrO2 and Al2O3 ceramic powders to Cu-Mo-Cr alloy was studied by examining the physical properties of the composite material. The ceramic additives were selected based on the thermodynamic stability calculation
Yeong-Woo Cho +9 more
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Fabrication of a High Wear Resistance AA7075/AL2O3 Composites Via Liquid Metallurgy Process
International Journal of Applied Mechanics and Engineering, 2022 In the present study, AA7075/Al2O3 composites have been fabricated via liquid metallurgy process. AA7075 alloy and Al2O3 particles were taken as the base matrix and reinforcements, respectively. Then, contents of 3 and 6 wt.
R. Sivaraman +5 more
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Hardness and friction behavior of bulk CoAl2O4 and Co–Al2O3 composite layers formed during Spark Plasma Sintering of CoAl2O4 powders [PDF]
, 2012 Materials made up of a Co–Al2O3 composite coating over a CoAl2O4 core are prepared during Spark Plasma Sintering of CoAl2O4 powders. The Co particles are precipitated because of a combination of high temperature and low O2 partial pressure.
Estournès, Claude +5 more
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Beilstein Journal of Nanotechnology, 2021 Al2O3 layers were deposited onto electrodes by atomic layer deposition. Solubility and electron-transport blocking were tested. Films deposited onto fluorine-doped tin oxide (FTO, F:SnO2/glass) substrates blocked electron transfer to redox couples ...
Hana Krýsová +5 more
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Experimental studies in plate heat exchanger using therminol-55/Al2O3 & glycerol/Al2O3 nanofluids [PDF]
Chemical Industry and Chemical Engineering QuarterlyThe experiment aimed to compare the heat transfer performance of two base fluids, Therminol-55 and glycerol, both mixed with aluminum oxide nanoparticles.
Srinivasan Periasamy Manikandan +1 more
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Fenmo yejin jishu, 2023 The thermal shock resistance of FeAl/Al2O3, FeCrAl/Al2O3, FeAl/Al2O3-13%TiO2, and FeCrAl/Al2O3-13%TiO2 coatings deposited by supersonic atmospheric plasma spraying (SAPS) on the stainless steel matrix was investigated in this paper. The microstructure of
FU Qianqian, TONG Yanpeng
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Enhancement of Cobalt Catalyst performance and Stability in Fischer-Tropsch Synthesis Using Graphene Nanosheets as Catalyst Support [PDF]
شیمی کاربردی روز, 2016 Graphene nano sheets (GNS) supported cobalt catalyst, is introduced for Fischer-Tropsch synthesis (FTS). The catalyst was prepared using wet impregnation method with cobalt loading of 15.0 wt%.
Seyedeh Somayeh Taghavi +2 more
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