Showing 121 - 140 results of 243 for search '"alumina"', query time: 0.05s Refine Results
  1. 121

    Synthesis, characterization and application of composite derived from rice husk ash with aluminium oxide for sorption of uranium by W. M. Youssef, M. S. Hagag, A. H. Ali

    Published 2018-07-01
    “…The uranium stripping efficiency from the load RHA–alumina composite fulfilled 99.9% at 1 h equilibrium time, a phase ratio (S/A) of 0.05 g/10 ml and 0.5 mol/l HNO 3 . …”
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  2. 122

    Role of Dielectric Constant on Ion Transport: Reformulated Arrhenius Equation by Shujahadeen B. Aziz

    Published 2016-01-01
    “…The deconvolution of the diffractogram of nanocomposite solid polymer electrolytes demonstrates the increase of amorphous domain with increasing alumina content up to 4 wt.%. Further incorporation of alumina nanoparticles (6 to 10 wt.% Al2O3) results in crystallinity increase (large crystallite size). …”
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  3. 123

    Selective Extraction of Organic Contaminants from Soil Using Pressurised Liquid Extraction by Rozita Osman, Norashikin Saim

    Published 2013-01-01
    “…Several sorbents (silica, alumina, and Florisil) were evaluated and with the proper choice of solvents, polar and nonpolar compounds were successfully separated in two fractions. …”
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  4. 124

    Influence of Material Properties on the Ballistic Performance of Ceramics for Personal Body Armour by Christian Kaufmann, Duane Cronin, Michael Worswick, Gilles Pageau, Andre Beth

    Published 2003-01-01
    “…In support of improved personal armour development, depth of penetration tests have been conducted on four different ceramic materials including alumina, modified alumina, silicon carbide and boron carbide. …”
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  5. 125

    Air Particle Abrasion in Dentistry: An Overview of Effects on Dentin Adhesion and Bond Strength by Andreea Kui, Smaranda Buduru, Anca Labuneț, Sorina Sava, Dalia Pop, Iris Bara, Marius Negucioiu

    Published 2024-12-01
    “…Bioactive glass showed higher bond strength and more cohesive failures than alumina. Alumina particles (50 μm) bonded effectively in etch-and-rinse adhesive systems but failed more often in self-etch systems. …”
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  6. 126

    The effects of deoxidation practice on the quality of thin foil low-carbon steel by Pereira Batista R., Augusto Martins A., Costa e Silva A.L.V.

    Published 2017-01-01
    “…Oxygen and aluminum content, aluminum and ferro-alloy yield, the type of alumina inclusions formed, and the quality of the steel during thin foil rolling were evaluated and compared. …”
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  7. 127

    Fractographic characterization of Al2O3p particulates reinforced Al2014 alloy composites subjected to tensile loading by V. Bharath, V. Auradi, M. Nagaral

    Published 2021-07-01
    “…Electron microscopic images showed that alumina (Al2O3p) particles are dispersed uniformly within the Al2014 composite matrix. …”
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  8. 128

    Experimental research on mechanical and impact properties of ceramsite prepared from secondary aluminum dross and municipal solid waste incineration ash by Wangze He, Yufei Yang, Xinghan Zhu, Jinzhong Yang, Yingjie Sun, Qifei Huang

    Published 2025-01-01
    “…This study explores the impact of various factors on the mechanical properties of ceramsite and their mechanisms under different conditions, including sintering temperature, raw material ball particle size, raw material silica-alumina ratio, and sintering time. Single-factor experiments demonstrate that the compressive strength of ceramsite initially follows a non-linear ascending trend with increasing sintering temperatures. …”
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  9. 129

    Modelling and Deliberation of Multireinforcement Surface on Tribothermal Adsorption Performance of Nickel Alloy Matrix Hybrid Nanocomposite by G. Ramya Devi, C. B. Priya, C. Dineshbabu, R. Karthick, K. Thanigavelmurugan, Prabhu Paramasivam

    Published 2022-01-01
    “…The present research work is aimed at developing a nickel alloy (Ni-Cr) matrix hybrid nanocomposite comprising 5 wt%, 10 wt%, and 15 wt% of alumina nanoparticles (Al2O3) size of 50 nm with stable weight percentage (5 wt%) of titanium dioxide (TiO2) nanoparticle via vacuum die casting process for an automobile brake pad application. …”
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  10. 130

    Fractographic characterization of Al2O3p particulates reinforced Al2014 alloy composites subjected to tensile loading by V. Bharath, V. Auradi, Madeva Nagaral

    Published 2021-06-01
    “…Electron microscopic images showed that alumina (Al2O3p) particles are dispersed uniformly within the Al2014 composite matrix. …”
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    Article
  11. 131

    Screen-Printed Superconducting Y-Ba-Cu-O Thick Films on Various Substrates by T. Kokkomäki, A. Uusimäki, R. Rautioaho, J. Levoska, T. Murtoniemi, S. Leppävuori

    Published 1989-01-01
    “…A BaAl2O4 phase was found between the film and the alumina substrate which promoted adhesion but resulted in poor superconducting properties of the film.…”
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  12. 132

    The Mechanical Behaviors of Various Dental Implant Materials under Fatigue by Fatma Bayata, Cengiz Yildiz

    Published 2018-01-01
    “…This study evaluates the performance of different types of materials (AISI 316L stainless steel, alumina and its porous state, CoCr alloys, yttrium-stabilized zirconia (YSZ), zirconia-toughened alumina (ZTA), and cp Ti with the nanotubular TiO2 surface) by finite element analysis (FEA) under real cyclic biting loads and researches the optimum material for implant applications. …”
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  13. 133

    Evaluation of Normal and Nanolayer Composite Thermal Barrier Coatings in Fused Vanadate-Sulfate Salts at 1000°C by Mohammadreza Daroonparvar, Muhamad Azizi Mat Yajid, Noordin Mohd. Yusof, Hamid Reza Bakhsheshi-Rad, Mohammad Sakhawat Hussain, Esah Hamzah

    Published 2013-01-01
    “…Hence, it can be concluded that the presence of nanostructured Al2O3 layer over the conventional YSZ coating can considerably reduce the infiltration of molten corrosive salts into the YSZ layer during hot corrosion which is mainly related to the compactness of nanostructured alumina layer (including nanoregions) in comparison with normal alumina layer.…”
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  14. 134

    Effect of volume concentration and sonication time on the performance of a hybrid solar collector based hydrogen production system with hybrid nanofluid: An experimental investigat... by Hariharan Ramesh, S. Senthil Raja, R. Gangadevi, M. Baskaran, R. Marimuthu

    Published 2025-02-01
    “…This approach using a 0.2 % Alumina – CuO/water nanofluid with a sonication time of 4 h achieved an electrical efficiency of 8.34 % and a hydrogen production rate of 29.6 ml/min. …”
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  15. 135

    Development of Newly Formulated Nanoalumina-/Alkasite-Based Restorative Material by Reham M. Abdallah, Neven S. Aref

    Published 2021-01-01
    “…Materials and Methods. Alumina nanopowder was incorporated into the powder component of Cention N at 5 and 10% (w/w). …”
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  16. 136

    Adsorption of a Non-Ionic Surfactant on Soils: A Model Study by Xiaobo Xue, Yanmei Zhou, Dongshen Wang

    Published 2006-05-01
    “…TX showed no discernable adsorption onto γ-alumina over the pH range 3.8 < pH < 12.1 and a temperature of 15°C or onto calcite at the same temperature and pH range 7.7 < pH < 11.7. …”
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  17. 137

    Adsorption of Carbon Dioxide in Several Aged Hydrotalcites and Calcined Hydrotalcites: Influence of Microwave Irradiation during the Ageing Step on Their Basic Properties by Olga Bergadà, Pilar Salagre, Yolanda Cesteros, Francisco Medina, Jesús E. Sueiras

    Published 2007-04-01
    “…For the hydrotalcites aged under microwave irradiation, this may be related to the surface characteristics of the amorphous alumina generated during calcination. The sample with the lowest amount of alumina was that obtained from the hydrotalcite which had been aged at a higher temperature and for a longer time.…”
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  18. 138

    Temperature Dependence of the Isosteric Heat of Adsorption by D.V. Cao, S. Sircar

    Published 2001-12-01
    “…Direct calorimetric measurements of the isosteric heats of adsorption of (a) pure CO 2 on a strongly heterogeneous adsorbent (silicalite with an alumina binder) and (b) pure N 2 on a mildly heterogeneous adsorbent (5A zeolite) at different temperatures and adsorbate loadings demonstrated the validity of the conventional assumption that isosteric heats are very weak functions of temperature. …”
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  19. 139

    Assessment of greenhouse gas emissions and environmental impacts in the manufacturing process of thermoelectric coolers: A life-cycle impact perspective by Hyo Young Kim, Jeong Eun Kim, Daehyun Wee

    Published 2025-01-01
    “…This study suggests that alternatives to alumina plates that are more environmentally friendly should continue to be explored along with process improvements such as fast heating rate or sintering aids.…”
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  20. 140

    A New Artificial Neural Network Model for the Prediction of the Effect of Molar Ratios on Compressive Strength of Fly Ash-Slag Geopolymer Mortar by Shaise K. John, Alessio Cascardi, Yashida Nadir, Maria Antonietta Aiello, K. Girija

    Published 2021-01-01
    “…Geopolymers are inorganic polymers produced by the alkali activation of alumina-silicate minerals. Geopolymer is an alternative cementitious binder to traditional Ordinary Portland Cement (OPC) leading to economical and sustainable construction technique by the utilisation of alumina-silicate waste materials. …”
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