alumina content
The role of the alumina content of slag, plus the presence of additional sulfate on the hydration and microstructure of Portland cement-slag blends
... Whittaker, M, Zajac, M, Ben Haha, M et al. (2 more authors) (2014) The role of the alumina content of slag, plus the presence of additional sulfate on the hydration and microstructure of Portland ...
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Decreasing Yield and Alumina Content of Red Mud by Optimization of the Bauxite Processing Process
... low alumina content was ...obtained alumina, red mud and crushed ...13% alumina compared to a non-optimized process with 98% red mud yield and 16% alumina ...of alumina is ...
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Effect of Alumina Content on the Mechanical Properties of Alumina Particle Dispersion Magnesium
... We then investigated the mechanical properties of hot-pressed discs obtained from these Al2 O3 /Mg powders and found that they have higher hardnesses than AZ91 Mg alloys.7 In the present[r] ...
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Augmentation of Thermal Conductivity for Polypropylene / Ethylene vinyl Acetate Based Composites Filled by Organic and Inorganic Particles
... the alumina content increases in a binary system of PP/EVA matrix (Figure 2C), the average interparticle distance gets smaller, and agglomerates are formed resulting in the formation of the alumina ...
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The nature and impacts of fines in smelter grade alumina
... alpha alumina content in the fine particles are averaged out and barely noticed in x-ray diffraction (XRD) based analysis of the bulk ...transition alumina to the thermodynamically stable alpha ...
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Modification of Yttria-doped Tetragonal Zirconia Polycrystal Ceramics
... Samples with 0.5 mol.% alumina content also have the lowest circularity, especially the one sintered at the lower sintering temperature (1500C). The determined circularity factor has important impact on ...
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Influence of limestone on the hydration of ternary slag cement
... Black, The role of the alumina content of slag, plus the presence of additional sulfate on the hydration and microstructure of Portland cement-slag blends, Cement and Concrete Research, [r] ...
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Development of Low-Activation Design Method for Reduction of Radioactive Waste below Clearance Level (7) – Application of High Alumina Cement for Low-Activation Mortar
... We investigated the impurities of silica fume for low-activation materials. Table 1 shows the impurities of the samples measured by Inductively Coupled Plasma – Atomic Emission Spectroscopy (ICP-AES, SII NanoTechnology ...
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Effect of Self Dispersion Nanosized AlOOH on Microstructure and Wear Resistance of Alumina Ceramic Balls
... The alumina ceramic ball has the characteristics of high hardness, high density, wear resistance, low price, and corrosion resistance, and is widely applied to grinding and processing for cement, mineral, ceramic, ...
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The Use of Fly Ash and Lime Sludge as Partial Replacement of Cement in Mortar
... FA content is more (50%) and LS is less (30%) whereas in binder IV, the FA content was decreased from 50 to 40% and LS content increased from 30 to 40%, the cement content is kept constant in ...
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Preparation of Alumina Nanorods from Chromium Containing Alumina Sludge
... nano alumina, such as alumina nanofibers [1–3] and alumina nanorods [4], has superior properties of high strength, high elastic modulus, chemical stability, good thermal insulation performance, and ...
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Developement of ceramic cutting insert of alumina (Al2O3) and zirconia / zirconium oxide (ZrO2) for turning tool steel
... examples alumina and zirconia which have well known as hard and brittle materials are being developed as cutting tools to penetrate the tooling market with new features, such as longer tool life, able to cut ...
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Catalytic reduction of SO2 with CH4 to elemental sulfur: A comparative analysis of alumina, copper-alumina and nickel-alumina catalysts
... selecting alumina as a support for catalyst in this ...the alumina surface is much higher than cerium, and in the solid-gas reactions, the surface area of catalyst is a very important factor; thus, this ...
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Preparation, Characterization and Application of Rice Hull-Derived Zeolites in Water Treatment
... Pretreatment of rice hull before ashing was done using distilled water and 1M HCl. Purity of the rice hull ashes obtained in the process was verified by determining their percent carbon content. Using EDX, the ...
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Salt Assisted SHS Synthesis of Aluminium Nitride Powders for Refractory Applications
... There are several papers described SHS synthesis of aluminum nitride powders where a small amount of in- organic substances are added. One of the used additives was ammonium chloride and it was stated that optimum amount ...
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← Return to Article Details ACTIVITY OF ALUMINA SUPPORTED Fe CATALYSTS FOR N2O DECOMPOSITION: EFFECTS OF THE IRON CONTENT AND THERMAL TREATMENT
... Table 3 also shows how the apparent activation energy varies with the Fe load in the catalysts calcined at 900 ºC. The first thing that stands out from the results of Table 3 is that the calcination leads to an increase ...
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Properties of Alumina Coated with Hydroxyapatite Nano Sol
... of alumina matrix coated with hydroxyapatite are lower than those of pure ...of alumina is not complete at 1350℃. Alumina matrix coated with hydroxyapatite tends to exhibit increased compressive ...
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Fabrication Of Alumina Crucible
... A detail understanding in fabrication of ceramic product i.e. alumina crucibles through slip casting process will be achieved from the research work. Two types of casting, which are drain casting and solid casting ...
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The Comparison of MgO and TiO2 Additives Role on Sintering Behavior and Microstructures of Reaction-Sintered Alumina-Zirconia-Mullite Composite
... In AMZ composites, corundum (alumina), mullite, zirconia (tetragonal and/or monoclinic phase) and minor amount of glassy phase are tailored in a way that improve thermo-mechanical and corrosion resistance ...
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Modified mesoporous Γ-alumina from kano kaolin in heterogeneous transesterification of rice bran oil
... Rice bran oil is extracted from rice bran, but, currently only small amount of it is being used to produce oil [7]. Rice bran is a thin outer layer covering the surface of rice seeds and its oil content is about ...
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