Showing 161 - 180 results of 243 for search '"alumina"', query time: 0.04s Refine Results
  1. 161

    Thermodynamic modeling of deoxidation products and inclusion chemistry in Mn/Si killed tire-cord steel by Prasad A.D., Sankaranarayanan S.R.

    Published 2012-01-01
    “…It has been observed that the addition of Alumina leads to further increase in the liquidus temperature. …”
    Get full text
    Article
  2. 162

    Effect of Chemical Composition on the Structure and Catalytic Behaviour of AlPO and AlO–AlPO Mixed Catalysts by F.Sh. Mohamed, H.H. Kiwan, M.R. Mostafa

    Published 2002-03-01
    “…However, significant changes in the texture, surface acidity and catalytic activity were observed as a result of changing the chemical composition of the solid, with the surface area, total pore volume and surface acidity generally increasing with increasing alumina content. Sintering commenced above 550°C leading to a decrease in the surface area and to pore widening. …”
    Get full text
    Article
  3. 163

    Analysis of Heat Transfer in Berman Flow of Nanofluids with Navier Slip, Viscous Dissipation, and Convective Cooling by O. D. Makinde, S. Khamis, M. S. Tshehla, O. Franks

    Published 2014-01-01
    “…Heat transfer characteristics of a Berman flow of water based nanofluids containing copper (Cu) and alumina (Al2O3) as nanoparticles in a porous channel with Navier slip, viscous dissipation, and convective cooling are investigated. …”
    Get full text
    Article
  4. 164

    Density and surface tension of molten cast irons by Fima P., Sobczak N.

    Published 2021-01-01
    “…In this study, the density and surface tension of three compacted graphite cast iron alloys were measured by the sessile drop method in contact heating mode in the temperature range of 1473 – 1723 K with polycrystalline alumina as a substrate. The drop profile images were recorded both during heating and subsequent cooling regimes. …”
    Get full text
    Article
  5. 165

    Modelling of Jatropha Oil Hydrocracking in a Trickle-Bed Reactor to Produce Green Fuel by Yuswan Muharam, null Dianursanti, Andrey Sapati Wirya

    Published 2021-01-01
    “…Trickle-bed reactor (TBR) modelling to produce green fuel via hydrocracking of jatropha oil using silica-alumina-supported Ni-W catalysts was performed in this research. …”
    Get full text
    Article
  6. 166

    Statistical Analysis on the Mechanical Properties of ATH Nanofiller Addition on the Woven Jute/Polyester Hybrid Composites by the Grey–Taguchi Method by CR Mahesha, Suprabha R, D. Raja Ramesh, Rajesh A S, Melvin Victor De Poures, Ram Subbiah, Wadi B. Alonazi, S. Sivakumar, Agegnehu shara shata

    Published 2022-01-01
    “…The primary goal of this study is to determine how well the addition of alumina trihydride (ATH) fillers affects the material properties of hybridised polyester nanocomposites using a weaved jute fibre. …”
    Get full text
    Article
  7. 167

    Extracting lithium from a lithium aluminate complex by vacuum aluminothermic reduction by Di Y.Z., Peng J.P., Wang Y.W., Feng N.X.

    Published 2018-01-01
    “…The Li5AlO4 clinker was prepared in ambient air using lithium hydroxide, alumina and calcium oxide. The results show that this process can proceed in conjunction with a lower ratio of raw materials to lithium (8.89:1) and provides lithium reduction rates in excess of 97%. …”
    Get full text
    Article
  8. 168

    Tribological Characterization of Epoxy Hybrid Composites Reinforced with Al2O3 Nanofiller by K. Dilip Kumar, M. Shantharaja, M. D. Kiran, M. Rajesh, Nithin Kumar, Haiter Lenin

    Published 2023-01-01
    “…In the present research, epoxy matrix reinforced with nylon-6 fibers and glass fibers were prepared using the solution blend technique. Alumina nanoparticles are added as fillers to enhance the properties of epoxy hybrid composites. …”
    Get full text
    Article
  9. 169

    Adsorption of Heavy Metals in Contaminated Water Using Zeolite Derived from Agro-Wastes and Clays: A Review by Ismael Kithinji Kinoti, Joanne Ogunah, Cyprian Muturia M’Thiruaine, Joseph Mwiti Marangu

    Published 2022-01-01
    “…Agro-wastes such as rice husk ash and sugarcane bagasse ash and layered silicate clays such as kaolinite and smectites are particularly of interest to zeolite synthesis due to their high silica to alumina ratio. Zeolites synthesized through various methods such as hydrothermal, molten salt, and microwave irradiation synthesis have been discussed with their effect on the adsorption of various heavy metals.…”
    Get full text
    Article
  10. 170

    Aluminizing as a method of improvement of Mar-M247 alloy lifetime by Zagula-Yavorska M.

    Published 2024-01-01
    “…Clean aluminide coatings may create a purer alumina oxide and may prolong its lifetime.…”
    Get full text
    Article
  11. 171

    Estimation of stepwise crack propagation in ceramic laminates with strong interfaces by L. Náhlík, K. Štegnerová, P. Hutar

    Published 2015-09-01
    “…The contribution deals with a description of the specific crack behaviour in the layered alumina-zirconia ceramic laminate. The main aim is to clarify crack behaviour in the compressive layer and provide computational tools for estimation of crack behaviour in the field of strong residual stresses. …”
    Get full text
    Article
  12. 172

    Study on micro - nano sized Al2O3 particles on mechanical, wear and fracture behavior of Al7075 Metal Matrix Composites by M. Ravikumar, H. N. Reddappa, R. Suresh�, E. R. Babu, C. R. Nagaraja

    Published 2021-10-01
    “…This research work is aimed to investigate the effect of micro and nano Al2O3 (Alumina Oxide) to aluminium (Al) on the mechanical and wear properties of the Al composites. …”
    Get full text
    Article
  13. 173

    Mesoporous SnO2 Nanowires: Synthesis and Ethanol Sensing Properties by Shan-Hong Li, Fang-Fang Meng, Zhong Chu, Tao Luo, Fu-Min Peng, Zhen Jin

    Published 2017-01-01
    “…The mesoporous SnO2 nanowires composed of nanoparticles and nanopores have been successfully synthesized within the nanochannels of anodic alumina oxide templates by a facile sol-gel method. …”
    Get full text
    Article
  14. 174

    An Investigation into the Adsorption of Aniline from Aqueous Solution Using H-Beta Zeolites and Copper-Exchanged Beta Zeolites by J. O'Brien, T. Curtin, T.F. O'Dwyer

    Published 2005-04-01
    “…The effect of varying the silica-to-alumina ratio of the H-beta zeolite on the aniline uptake level was also examined, using three different H-beta zeolites with ratios of 25:1, 75:1 and 150:1 as adsorbents. …”
    Get full text
    Article
  15. 175

    Effect of MgO Addition on the Surface and Catalytic Properties of the CuO/AlO System by Nasr-Allah M. Deraz

    Published 2001-03-01
    “…The results obtained revealed that CuO underwent solid–solid interactions with pure and doped alumina at temperatures of 600°C and above to yield a poorly crystalline copper aluminate (CuAl 2 O 4 ) phase. …”
    Get full text
    Article
  16. 176

    Stability of Bar Code Information Stored in Magnetic Nanowire Arrays by Eduardo Cisternas, Eugenio E. Vogel, Julián Faúndez

    Published 2017-01-01
    “…This can be achieved on the triangular lattice present in porous alumina, whose pori can be filled by magnetic material, over which magnetic bar codes can be inscribed. …”
    Get full text
    Article
  17. 177

    Dielectric Properties and 3D-Printing Feasibility of UV-Curable Resin/Micron Ceramic Filler Composites by Yijia Fu, Wendong Li, Man Xu, Chao Wang, Liyuan Zhang, Guanjun Zhang

    Published 2022-01-01
    “…To prepare high-permittivity composite materials for dielectrically functional gradient materials (d-FGMs) by the stereolithographic 3D-printing technique, three ceramic powders (i.e., alumina, barium titanate, and strontium titanate) are selected as functional fillers for a UV-curable resin matrix. …”
    Get full text
    Article
  18. 178

    Exceptionally low thermal conductivity in distorted high entropy alloy by Hang Wang, Shihua Ma, Weijiang Zhao, Quanfeng He, Yong Liu, Shijun Zhao, Yong Yang

    Published 2025-01-01
    “…Through a blend of experiments and atomistic simulations, this study showcases that the lattice thermal conductivity of a highly distorted single-phase B2 alloy with the composition of (CoNi)50(TiZrHf)50 is as low as less than 1 W/(m·K), akin to that of ceramics like alumina, and remains stable across temperatures from 300 to 900 K. …”
    Get full text
    Article
  19. 179

    A Numerical Approach on Waste Heat Recovery through Sidewall Heat-Exchanging in an Aluminum Electrolysis Cell by Youjian Yang, Wenju Tao, Zhaowen Wang, Zhongning Shi

    Published 2021-01-01
    “…The idea of combining heat-generating electrolysis process and the heat-consuming alumina tube digestion process is discussed in detail. …”
    Get full text
    Article
  20. 180

    Numerical Analysis of Forced Convection of Nanofluid under Turbulent Flow between Two Parallel Plates by Iman Pishkar, S. Mohammad Hoseini

    Published 2022-01-01
    “…The nanofluid applied in the study was alumina-water. The beginning and the end of the walls were insulated, and the middle part was considered as the heat source. …”
    Get full text
    Article