Browsing Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) by Title
Now showing items 33-52 of 135
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Effect of processing route on the morphology of thermoplastic polyurethane (TPU) nanocomposites incorporating organofluoromica
(Trans Tech Publications, 2014)In the production of polymer nanocomposites, the processing method determines the dispersion of the nanofiller and hence, the final nanocomposite properties. In this work, the potential of high energy milling of the ... -
Effect of pyrolysis temperature on the synthesis of carbon fiber from natural organic waste
(Trans Tech Publications, 2014)Carbon fibers are produced from natural sources of water hyacinth plants that have been dried, ground and sieved to three different particle sizes of 600 μm, 300 μm and less than 300 μm. Through the analysis of data obtained ... -
Effect on strength and hardness of clay ceramic substrate after treatment using koalin based geopolymer glaze
(Trans Tech Publications, 2014)Geopolymerization is an alternative for ceramic industry by using clay based material such as kaolin or calcined kaolin geopolymer. Geopolymer paste is initially produced by alkaline activation of calcined kaolin with NaOH ... -
The effects of carbon black and calcium carbonate as a filler on cure characteristic and physical properties of SBR/CRr blends
(Trans Tech Publications, 2013-12)Filler are compounding ingredients added to a rubber compound for the purpose of iether reinforcing or cheapening the compound. Despite that, fillers can also be used to modify the physical properties of both unvulcanized ... -
The effects of dynamic vulcanization in virgin polyethylene (vPE)/ recycled polyethylene (rPE)/ ethylene propylene diene terpolymer (EPDM) blends: Tensile properties and morphology
(Trans Tech Publications, 2014)The effects of dynamic vulcanisation in vPE/rPE/EPDM blends were studied. The discarded polyethylene used in the study was obtained from local cable manufacturers. The effects of different sulfur loading on the tensile ... -
Effects of elevated temperatures on the thermal behavior and mechanical performance of fly ash geopolymer paste, mortar and lightweight concrete
(Elsevier, 2014-01)This paper reports a comparative study of the influence of elevated temperature on geopolymer paste, mortars and lightweight aggregate geopolymer concrete (LWAGC) systems made by using fly ash (FA) as only source material. ... -
Effects of processing method and nanofiller size on mechanical properties of biomedical thermoplastic polyurethane (TPU) nanocomposites
(Trans Tech Publications, 2014-03)The effects of processing method and nanofiller size on mechanical performance of biomedical thermoplastic polyurethane (TPU)-organosilicate nanocomposites were examined. High energy milled organofluoromica nanofillers ... -
Effects of trans-polyoctylene rubber in polypropylene/recycled acrylonitrile butadiene/rice husk powder composites
(Trans Tech Publications, 2014)Composites of polypropylene/Acylonitrile butadiene rubber/Rice husk powder/ (PP/NBRr/RHP) with and without trans-polyoctylene rubber (TOR) were prepared, and the effects of trans-polyoctylene rubber were investigated. By ... -
Electrical behaviour of MEH-PPV based diode and transistor
(Elsevier Ltd., 2013-11)The potential of organic semiconductor based devices for light generation is demonstrated by the commercialisation of display technologies using organic light emitting diode (OLED). In OLED, organic materials plays an ... -
Electroless Ni-P-Cg(Graphite)-SiC composite coating on cast AlSi alloy
(Trans Tech Publications, 2013)The study presents the electroless N-P-Cg-SiC composite coating on cast AlSi (ADC12) alloy where the bath temperature is maintained at 90°C, pH level is controlled between 4.5 to 5.0 and stirred at 450 rpm with mechanical ... -
Electronic band structure and optoelectronic properties of SrCu2X2(X = As, Sb): DFT calculation
(Springer Science+Business Media New York., 2014-07)All-electron-full potential linear-augmented plane wave method with Engel Vosko approximation was used for calculating the electronic structure, Fermi surface, and optical properties of SrCu2X2 (X = As, Sb). The calculated ... -
Electronic band structure and specific features of AA- and AB-stacking of carbon nitride (C₃N₄): DFT calculation
(Royal Society of Chemistry, 2014-01)The state-of-the-art all-electron full potential linear augmented plane wave based on density functional theory was applied for calculating the structural, electronic band structure, effective mass, density of state, and ... -
Electronic band structure and specific features of Sm2NiMnO6 compound: DFT calculation
(Elsevier BY., 2013-09)The band structure, density of states, electronic charge density, Fermi surface and optical properties of Sm2NiMnO6 compound have been investigated with the support of density functional theory (DFT). The atomic positions ... -
Electronic structure, electronic charge density and optical properties analyses of Rb₂Al₂B₂O₇ compound: DFT
(ESG, 2014-01)We have presented an analysis of some important electronic and optical characteristics of the Rb₂Al₂B₂O₇ compound, based on the ab initio calculations of its electronic band structure, electronic charge density and dielectric ... -
Electronic structure, electronic charge density and optical properties of 3-methyl-1,4-dioxo-1, 4-dohydronaphthalen-2-yl-sulfanyl (C₁₃H₁₀O₄S)
(ESG, 2014)The atomic positions of 3-methyl-1,4-dioxo-1, 4-dohydronaphthalen-2-yl-sulfanyl (3MDS) single crystal taken from XRD data were optimized by minimizing the forces. We make use of the optimized geometry as a starting point ... -
The electronic structure, electronic charge density and optical properties of the diamond-like semiconductor Ag2ZnSiS4
(Springer Berlin Heidelberg, 2013-11)The electronic structure, electronic charge density and optical properties of the diamond-like semiconductor Ag2ZnSiS4 compound with the monoclinic structure have been investigated using a full-relativistic version of the ... -
Electronic structure, Fermi surface and optical properties of metallic compound Be₈(B₄₈)B₂
(Elsevier/NORTH-HOLLAND, 2014-02)The band structure, density of states, electronic charge density, Fermi surface and optical properties for B₈(Be₄₈)B₂ compound has been investigated in the support of density functional theory (DFT). The atomic positions ... -
Electronic structure, magnetism and robust half-metallicity of new quaternary Heusler alloy FeCrMnSb
(Elsevier B.V., 2013)A new quaternary Heusler alloy FeCrMnSb is identified by employing ab initio electronic structure calculations. It is stable in Y-structure which is also verified by various conditions governed by elastic constants c ij. ... -
Electronic structure, optical and thermoelectric transport properties of layered polyanionic hydrosulfate LiFeSO₄OH: Electrode for Li-ion batteries
(Elsevier, 2014)Theoretical analysis of electronic structure and optical properties of LiFeSO₄OH, using the full-potential linearized augmented plane waves (FPLAPW), on the basis of density-functional theory (DFT), with in the local density ... -
Evaluation of the effect of silica fume on amorphous fly ash geopolymers exposed to elevated temperature
(MDPI AG, 2021-01)The properties of amorphous geopolymer with silica fume addition after heat treatment was rarely reported in the geopolymer field. Geopolymer was prepared by mixing fly ash and alkali activator. The silica fume was added ...