School of Materials Engineering (Articles): Recent submissions
Now showing items 401-420 of 553
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The sensing mechanism and detection of low concentration acetone using chitosan-based sensors
(Elsevier B. V., 2013)This paper aims to discuss the usage of chitosan film sensors to detect acetone concentrations in human breath, in order to precisely diagnose diabetes mellitus in patients. Acetone concentration in the breath varies from ... -
The effect of pH on zinc phosphate coating morphology and its corrosion resistance on mild steel
(Trans Tech Publications, 2013)Zinc phosphate coating is commonly used for corrosion protection of metallic materials, mainly mild steel. In this study, influence of the pH of phosphating bath on the surface morphology and corrosion resistance of zinc ... -
The effects of superheating treatment on distribution of eutectic silicon particles in A357-continuous stainless steel composite
(Trans Tech Publications, 2013)In the present study, superheating treatment has been applied on A357 reinforced with 0.5 wt.% (Composite 1) and 1.0 wt.% (Composite 2) continuous stainless steel composite. In Composite 1, the microstructure displayed ... -
The influence of deposition temperature on the morphology and corrosion resistance of zinc phosphate coating on mild steel
(Trans Tech Publications, 2013)The influence of phosphating temperature on the surface morphology and corrosion resistance of zinc phosphate coatings on mild steel was investigated. The phosphate layers were deposited on steel from phosphating bath at ... -
Lightweight fly ash-based geopolymer concrete
(Trans Tech Publications, 2013)The experiments of this study were preformed to study the synthesis process for lightweight aggregate geopolymer concrete (LWAGC) using normal sand as a fine aggregate and expanded clay as lightweight aggregate. The LWAGC ... -
Three dimensional simulation of thermal pad using nanomaterial, nano-silver in semiconductor and electronic component application
(Trans Tech Publications, 2013)Thermal pad is new technology in this world that been used in PLCC in order to reduce junction temperature to the minimum level in electronic components. In electronic industry, the electronic components that exceed 70°C ... -
Laser operated elasto-optical features of La 2CaB 10O 19:Pr 3+ polymer nanocomposites
(Elsevier B.V., 2012-10)We have discovered a principal role of the polymer matrices on the spectral dependences of piezooptical coefficients of La 2CaB 10O 19:Pr 3+ (LCBO:Pr) nanocomposites formed by polymethylmethacrylate (PMMA) and polycarbonate ... -
Influence of different synthesis approach on doping behavior of silver nanoparticles onto the iron oxide-silica coreshell surfaces
(Springer Science+Business Media B.V., 2012-07)Silver (Ag) nanoparticles with the crystallite size ranging from 13-24 nm were successfully doped onto the surface of iron oxide-silica coreshell particles. In the process, iron oxide particles having a size distribution ... -
Novel iron oxide–silica coreshell powders compacted by using pulsed electric currentsintering: Optical and magnetic properties
(Elsevier Ltd, 2012-08)The properties of the bulk materials consolidated of silica coreshell powders with iron oxide core have been studied. Iron oxide nanoparticles smallerthan 20nmin sizewere synthesized by a reverse co-precipitation processin ... -
Calcined kaolin geopolymeric powder: Influence of water- to geopolymeric powder ratio
(Trans Tech Publications, 2012-07)This paper describes the synthesis of calcined kaolin geopolymeric powder from the alkaline activation of calcined kaolin followed by solidification and pulverizing process. The geopolymeric powder was used by just adding ... -
Influence of solidification process on calcined kaolin geopolymeric powder
(Trans Tech Publications, 2012-02)This paper aims at investigating the influence of solidification condition on the processing of calcined kaolin geopolymeric powder. This is a new process developed using the geopolymerization process. Geopolymer slurry ... -
Phase transformation of iron oxide–silica coreshell structure during differential scanning calorimetry and pulsed electric current sintering processes: A comparison
(Elsevier B.V., 2012-10)This paper discusses the phase transformation of iron oxide nanoparticles inside the silica spheres during high temperature differential scanning calorimetry (DSC) in argon and pulsed electric current sintering (PECS) ... -
Processing and characterization of calcined kaolin cement powder
(Elsevier Ltd, 2012-05)Abstract This paper aimed at investigating the possibility of calcined kaolin to produce cement powder that could be an alternative to Portland cement by applying geopolymerization process. Cement paste was firstly made ... -
Optimization of solids-to-liquid and alkali activator ratios of calcined kaolin geopolymeric powder
(Elsevier Ltd, 2012-12)This paper investigates the effect of S/L and alkali activator ratios on the synthesis of geopolymeric powder. Geopolymeric powder was synthesized by applying geopolymerization process. By adopting the concept of "just ... -
Effect of interlocking between porous epoxy microparticles and elastomer on mechanical properties and deformation modes
(Elsevier Ltd., 2012-10)To investigate the interlocking capability of porous epoxy microparticles (PEM) with elastomers, composites of PEM and ENR/NR were prepared on a two-roll mill. A proprietary method was used to produce the PEM, which have ... -
Role of tautomerism and solvatochromism in UV–VIS spectra of arylhydrazones of β-diketones
(Elsevier B.V., 2012-07)New arylhydrazones of β-diketones, 5-chloro-3-(2-(1-ethoxy-1,3-dioxobutan-2-ylidene)hydrazinyl)- 2-hydroxybenzenesulfonic acid (1), 3-(2-(1-ethoxy-1,3-dioxobutan-2-ylidene)hydrazinyl)-2-hydroxy- 5-nitrobenzenesulfonic ... -
Electronic spectral parameters and IR nonlinear optical features of novel Ag 0.5Pb 1.75GeS 4 crystal
(Elsevier B.V., 2012-09)In this paper, we report on novel Ag0.5Pb1.75GeS4 single crystals grown by the Bridgman–Stockbarger method. For these crystals we have performed X-ray photoelectron spectroscopy (XPS) studies of the valence-band and ... -
Er–Pr doped tellurite glass nanocomposites for white light emitting diodes
(Elsevier B.V., 2012-03)In this paper, optical glass nanocomposites (nanoparticles sizes up to 100 nm) with composition TeO2–WO3– PbO–xEr2O3–yPr6O11 (x= 0.30 mol%, y= 0.70 mol%) embedded into polymer matrices was reported. The two types of ... -
Investigated stiffness of high performance superconductivity with nanoceria incorporated into polycrystalline magnesium diboride
(The Institution of Engineering and Technology, 2012-08)Polycrystalline MgB 2 was prepared with different amounts of nano-sized CeO 2 inclusions, subjected to X-ray diffraction, scanning electron microscopy and atomic force microscopy characterisation. The nano-CeO 2 inclusions ... -
Density functional study of optical properties of beryllium chalcogenides compounds in nickel arsenide B8 structure
(Elsevier B.V., 2012-02-01)The structural, electronic and optical properties of beryllium chalcogenides BeS, BeSe and BeTe using the full-potential linear augmented plane wave (FP-LAPW) method are investigated. The exchangecorrelation energy within ...