School of Materials Engineering (Articles): Recent submissions
Now showing items 361-380 of 553
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Mineralization of diazo dye (Reactive Black 5) in wastewater using recirculated up-flow constructed wetland reactor
(Desalination Publications, 2012)Application of a sequential anaerobic and aerobic process in a constructed wetland can enhance the treatment performance of textile wastewater. In this study, two laboratory-scale recirculated up-flow constructed wetland ... -
The effect of loading rates and particle geometry on compressive properties of polypropylene/zinc oxide nanocomposites: Experimental and numerical prediction
(Society of Plastics Engineers, 2012-01)Compressive properties, of particulate filled polymer matrix composites, are affected (to a certain extent) by the geometry of the particles, as well as the loadingrates. Therefore, this article presents the results on the ... -
Effect of molecular structures on dynamic compression properties of polyethylene
(Elsevier B.V., 2012-03)The properties of polymers are strongly affected by their molecular structures. Therefore, three different types of polyethylene; low density, low-linear density and high density polyethylene were used in this study to ... -
Properties of styrene butadiene rubber/recycled acrylonitrile-butadiene rubber (SBR/NBRr) blends: Effect of the addition of trans-polyoctylene rubber
(Wiley Periodicals, Inc, 2012-11)This study investigated polymer blends based on different ratios of styrene butadiene rubber (SBR) and recycled acrylonitrile butadiene rubber (NBRr) with and without trans-polyoctylene rubber (TOR) as a compatibilizer. ... -
Properties of styrene butadiene rubber (SBR)/recycled acrylonitrile butadiene rubber (NBRr) blends: The effects of carbon black/silica (CB/Sil) hybrid filler and silane coupling agent, Si69
(Wiley Periodicals, Inc., 2012-04)The recycling or reuse of waste rubber by means of blending together with polymeric materials in addition of filler such as hybrid carbon black and silica (CB/Sil) to a polymer system can provides an opportunity to explore ... -
The processing, characterization, and properties of fly ash based geopolymer concrete
(Advanced Study Center Co. Ltd, 2012)In recent years, attempts to increase the utilization of fly ash as a replacement for ordinary Portland cement (OPC) in concrete have increased in significance. Geopolymer concrete does not need the presence of Portland ... -
The effects of trans-polyoctylene rubber on thermal analysis and fatigue properties of styrene butadiene rubber/recycled acrylonitrile butadiene rubber
(Wiley Periodicals, Inc., 2012-06)The incorporation of trans-polyoctylene rubber (TOR) into the blends of styrene butadiene rubber/recycled acrylonitrile butadiene rubber (SBR/NBRr) was investigated. The thermal gravimetric analysis (TGA), differential ... -
Effect of epoxidized natural rubber on thermal properties, fatigue life, and natural weathering test of styrene butadiene rubber/recycled acrylonitrile-butadiene rubber (SBR/NBRr) blends
(John Wiley & Sons, Inc., 2012-01)The utilization of waste rubber powder in polymer matrices provides an attractive strategy for polymer waste disposal. Addition of recycled acrylonitrile-butadiene rubber (NBRr) in rubber compounds gives economic (lowering ... -
Characterization of LUSI mud volcano as geopolymer raw material
(Trans Tech Publications, 2012)The mud of mud volcano samples were collected from an eruption site named 'LUSI' (Lumpur "mud" -Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO 2 and Al 2O ... -
Correlation between Na 2SiO 3/NaOH ratio and fly ash/alkaline activator ratio to the strength of geopolymer
(Trans Tech Publications, 2012)Geopolymer requires an alkaline activator to induce it pozzolanic property and to accelerate the geopolymerisation process. The geopolymerisation process occurs due to the mixing of fly ash, sodium silicate and sodium ... -
Microstructure study on optimization of high strength fly ash based geopolymer
(Trans Tech Publications, 2012)The compressive strength and microstructural characteristics of fly ash based geopolymer with alkaline activator solution were investigated. The sodium hydroxide and sodium silicate were mixed together to form an alkaline ... -
Effect of particle sizes on rate sensitivity and dynamic mechanical properties of polypropylene/silica (PP/Sio2) nanocomposites
(Trans Tech Publications, 2012)Filler-related characteristic such as particle size, shape and geometry are essential factors that need to be considered during the evaluation of the material's performance especially in the area of particle filled composites. ... -
The role of the activator rich-W interboundary layer on liquid phase sintering of W-pre-alloy bronze composites of Fe and Co additions
(Elsevier B.V., 2012-11)In this study, the effects of 1-3 wt.% Fe and Co additions on the sintering of W 40-80wt.%-pre-alloy bronze Sn 10 wt.%-Cu compacts were examined. The isothermal part of the sintering process was conducted at temperatures ... -
Electronic and optical properties of (Al xGa 1-x) 1-yMn yAs single crystal: A new candidate for integrated optical isolators and spintronics
(Springer Science+Business Media, LLC, 2013-01)We have explored the electronic and optical properties of cubic (Al x Ga1-x )1-y Mn y As system using the FP-LAPW method. The unit cell has 64 atoms, so that one manganese (Mn) atom is placed in the position of gallium ... -
Effect of alkali concentration on mechanical properties of kaolin geopolymers
(Foundation for Materials Science and Engineering, 2012)Alkali concentration is the most significant factor in geopolymerization process that must be taken into consideration during the synthesis of kaolin geopolymers. The kaolin geopolymers were prepared by mixing kaolin and ... -
Paraffinic mineral oil lubrication for cold forward extrusion: Effect of lubricant quantity and friction
(Elsevier Ltd., 2013)In this paper, Finite Element (FE) and experimental analyses have been developed on the deformation of aluminium billet over a tool. Effect of friction resulted from the use of additive-free ISO460-compliant paraffinic ... -
Selective extraction, separation and recovery of Cu(II) in presence of Zn(II) and Ni(II) from leach liquor of waste printed circuit board using microcapsules coated with Cyanex 272
(Springer Verlag, 2012-05)The study was conducted to optimize the selective extraction and recovery of Cu(II) in the presence of Zn(II) and Ni(II) from the leach liquor of waste printed circuit boards (PCBs). The extraction experiments were carried ... -
Enhanced photocatalytic activity of fish scale loaded TiO 2 composites under solar light irradiation
(Elsevier B.V., 2012-06)Fish scale (FS) loaded TiO2 composites were investigated as photocatalysts in degradation of Methyl Orange under solar light irradiation. Composites were prepared through sol-gel method by varying mass ratio of TiO2/FS at ... -
Photocatalytic degradation of reactive black 5 by fish scale-loaded TiO 2 composites
(Springer Science+Business Media B.V., 2012-09)Titania and TiO 2/fish scale composites at different mass ratios (90:10, 70:30, and 50:50) were prepared by sol-gel method for application as photocatalysts in this study. Fish scale, synthesized TiO 2, and TiO 2/fish scale ... -
Surfactant-free synthesis of copper particles for electrically conductive adhesive applications
(TMS, 2012-09)In this study, a simple one-step microwave-assisted method was developed to synthesize Cu and Cu-Ag particles for application in electrically conductive adhesive (ECA). The particle size of the obtained Cu particles was ...