School of Materials Engineering (Articles): Recent submissions
Now showing items 281-300 of 560
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Bicolor laser stimulated elastooptical effect in the 2-cyclooctylamino-5-nitropyridine-C70 system
(Springer, 2013-01)For the first time the piezooptical effect has been observed in the 2-cyclooctylamino-5-nitropyridine doped with intermolecular strong acceptor—fullerene C70. The observed effect may be used for optically operated ... -
Morphology, analysis and properties studies of CdS nanostructures under thiourea concentration effect for photovoltaic applications
(Electrochemical Science Group, 2013-08)CdS nanostructures are prepared by sol-gel spin coating method using different thiourea concentrations. The thiourea concentration effect for CdS nanostructures deposited on quartz substrate is studied. The CdS nanostructures ... -
Optoelectronic properties of GaAs and AlAs under temperature effect
(Elsevier GmbH, 2013-08)An application study of optoelectronic properties as a function of the temperature for GaAs and AlAs according to our model has been presented using empirical pseudopotential method (EPM). The structural phase transition ... -
DFT calculation of the electronic structure and optical properties of two strontium germanium nitrides: α-Sr2GeN2 and β-Sr2GeN2
(Elsevier B.V., 2013-05-15)The existence of α-Sr2GeN2 and β-Sr 2GeN2 were reported recently with their structural properties. In this paper, electronic and optical properties have been investigated using density functional theory. The Perdew-Burke-Ernzerhof ... -
DFT calculation of the electronic and optical properties of Ag 2PdO2 from X-ray and neutron crystallographic data
(Elsevier B.V., 2013)Electronic and optical properties of ternary silver palladium oxide (Ag2PdO2) are investigated using density functional theory. Two different possible approximations for the exchange correlation potentials were employed. ... -
Study of concrete using modified polystyrene coarse aggregate
(Trans Tech Publications, 2013)Polymer recycling has received a great deal of attention in recent years. At the present time, small percentages of polymer wastes in Malaysia are being recycled. The recycling process has typically consisted of reprocessing ... -
Strength of concrete with ceramic waste and quarry dust as aggregates
(Trans Tech Publications, 2013)This research focuses on a study of the strength of concrete with ceramic waste as coarse aggregate and quarry dust as fine aggregate. The sources of ceramic waste and quarry dust are obtained from the industrial in Malaysia. ... -
Strength of concrete based cement using recycle ceramic waste as aggregate
(Trans Tech Publications, 2013)The main focus of this research is to study the strength of concrete with ceramic waste as coarse aggregate. The sources of ceramic waste are obtained from the industrial in Malaysia. Presently, in ceramics industries the ... -
Mechanical properties of polymer composites with sugarcane bagasse filler
(Trans Tech Publications, 2013)Natural fibers reinforced polymer composites have gained more interest because of their biodegradable, light weight, less expensive sources, easy processing, high specific modulus and also environmentally friendly appeal. ... -
Study on refractory materials application using geopolymer processing
(American Scientific Publishers, 2013-01)Geopolymer is cementitious binders that do not require the presence of ordinary Portland cement (OPC). Class F fly ash with geopolymer formulations prepared with an alkaline activator (mixture of Na2SiO3 and NaOH solutions) ... -
Properties of low-density polyethylene/palm kernel shell composites: Effect of polyethylene co-acrylic acid
(SAGE Publications, 2013-02)Palm kernel shell (PKS)-filled low-density polyethylene (LDPE) composites was studied. The polyethylene co-acrylic acid (PEAA) was used as compatibilizer. The tensile properties, thermal analysis, water absorption, and ... -
Variation of half metallicity and magnetism of Cd₁₋xCrxZ (Z=S, Se and Te) DMS compounds on reducing dilute limit
(Elsevier (Imprint: NORTH-HOLLAND), 2013-04)The electronic and magnetic properties of Cr-doped Cd-Chalcogenides, Cd₁₋xCrxZ (Z=S, Se and Te) for dopant concentration, x=0.25 and 0.125 are presented in order to search new Dilute Magnetic Semiconductor (DMS) compounds ... -
Band structure, density of states, and crystal chemistry of ZrGa₂ and ZrGa₃ single crystals
(Elsevier, 2013-04)Using FP-LAPW Method we have performed calculations of the band structure of the ZrGa₂ and ZrGa₃ crystals. The all-electron full potential linearized augmented plane wave method was used to solve the Kohn Sham DFT equations. ... -
Particle size – dependent on the static and dynamic compression properties of polypropylene/silica composites
(Elsevier, 2013-03)The effect of particle size is widely known as an essential factor that influences the mechanical properties of particulate filled polymer composites. However, there is a limited number of works available, on the particular ... -
Sintering behavior and microstructure evolution of mechanically alloyed W–bronze composite powders by two-step ball milling process
(Elsevier, 2013-01)The miscibility of W in Sn and Cu is extremely poor. Sintering of W–bronze composites to their full density is proved to be difficult. To tackle this problem, the ball milling process of the W–bronze powder mixture proposed ... -
Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
(Elsevier, 2013-10)The influence of pulsed electric current sintering (PECS) temperature on the properties of bulk materials consolidated from three different types of hybrid powders have been studied. These powders consisted of iron ... -
Mechanical properties of ZTA composite using cold isostatic pressing and uniaxial pressing
(Trans Tech Publications, 2013)Alumina-zirconia composite is an engineering material with a great potential to be develop for application as high temperature resistance structural material. In this research, zirconia toughness alumina (ZTA) was produced ... -
Study on fly ash based geopolymer for coating applications
(Trans Tech Publications, 2013)Geopolymer is cementitious binders that do not require the presence of ordinary Portland cement (OPC). Fly ash with geopolymer formulations prepared with mixing alumino-silicate with the alkaline activator solution has ... -
Mechanical properties of paper from oil palm pulp treated with chitosan from horseshoe crab
(AENSI Publisher All rights reserved, 2013-10)The application of chitosan as an additive in papermaking to improve the strength and water resistant properties is described. Unbleached sulphate pulp from oil palm stem was treated with chitosan. The chitosan was prepared ... -
A study on the rheological properties of low-density polyethylene/palm kernel shell composites
(Trans Tech Publications, 2012-12)The rheological properties of the low density polyethylene (LDPE)/palm kernel shell (PKS) composites were studied by using a melt flow indexer. The silane treated and untreated composites were investigated. Both of the ...