School of Materials Engineering (Articles): Recent submissions
Now showing items 261-280 of 553
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The density functional study of electronic structure, electronic charge density, linear and nonlinear optical properties of single crystal alpha-LiAlTe₂
(Elsevier, 2014)Self-consistent calculations is performed using the full potential linear augmented plane wave (FP-LAPW) technique based on density functional theory (DFT) to investigate the electronic band structure, density of states, ... -
Density of states, optical and thermoelectric properties of perovskite vanadium fluorides Na₃VF₆
(Elsevier/NORTH-HOLLAND, 2014)The electronic structure, charge density and Fermi surface of Na₃VF₆ compound have been examined with the support of density functional theory (DFT). Using the full potential linear augmented plane wave method, we employed ... -
Dispersion of the second harmonic generation from CdGa₂X₄ (X = S, Se) defect chalcopyrite: DFT calculations
(Elsevier, 2014)All electron full potential linear augmented plane wave method was used for calculating the nonlinear optical susceptibilities of CdGa₂X4₄(X = S, Se) within the framework of density functional theory. The exchange correlation ... -
Effect of sodium dodecyl sulfate on mechanical and thermal properties of polypropylene/chitosan composites
(SAGE Publications, 2013-08)The effect of sodium dodecyl sulfate (SDS) on mechanical and thermal properties of chitosan-filled polypropylene (PP) composites was investigated. Mechanical and thermal properties of PP/chitosan composites were analyzed ... -
Design and development of tracking system for mines detector robot
(Trans Tech Publications, 2014-01)This paper presents the design and development of tracking system for the mines detector robot. The scope for the tracking system covers two important tasks: 1. Design of optimum tracking path to cover maximum scanning ... -
New processing method of kaolin-based geopolymer brick by using geopolymer brick machine
(Trans Tech Publications, 2014-01)With increased activity in construction, deficiency of building materials and construction waste improvements have encouraged the development of new building materials. Conventional construction bricks are usually made ... -
Synthesis and characterization of iron produced from iron mill scale
(Trans Tech Publications, 2014-01)In this project, iron mill scale has been used to produce iron powder that can be used within the Powder Metallurgy process. To achieve this objective, the iron mill scale needs to be refined. This involve the work of ... -
Tribological properties of WS2 nanoparticles lubricants on aluminum-silicon alloy and carbon steels
(Walailak University, 2013-06)The rheological properties of nanometric tungsten disulphide (WS2) nanoparticles oil lubricants and its tribological performance with two hypereutectic Al-Si alloy and carbon steel are examined. These two oils are used to ... -
Fire resistance of biomass ash panels used for internal partitions in buildings
(Elsevier B.V., 2013)This study was to develop fire-resistant panels with a high biomass ash ratio from the combustion of EFB at an industrial scale to be used in different fire-resistant internal partitions in buildings and industrial ... -
Effect of roughness of hypo-and hyper-eutectic Al-Si piston alloy on wear characteristics under lubrication
(Elsevier B.V., 2013)The tribological behavior of tow Al-Si alloys under the influence of surface roughness average was investigated for the present study. The silicon content of these alloys ranged 10 and 16-wt% Si, and includes hypoeutectic ... -
Thermal expansion behavior of the electroless copper coated Cu-SiCp composites fabricated via the conventional powder metallurgical technique
(Trans Tech Publications, 2014-01)The introduction of the metal matrix composites as the advanced electronic packaging materials is highly anticipated because their thermal properties can be engineered to match those of semiconductors, ceramics substrates ... -
Drop weight impact analysis of laminated polyurethane foam/cloisite 30B clay
(Trans Tech Publications, 2014-01)Laminated polyurethane foam composite was produced by incorporating Cloisite 30B clay as filler and aluminium sheet as the skin. Initially, PU foams were synthesized with reaction of natural oil polyol and isocyanate with ... -
The compatibilty of TPU and NR blends
(Trans Tech Publications, 2014-01)The blends of thermoplastic polyurethane (TPU) with natural rubber (NR) at four different blends ratios were prepared via melt blending, with addition of liquid natural rubber (LNR) as compatibilizer. The effect of blend ... -
Innovative Metal injection molding (MIM) method for producing CoCrMo alloy metallic prosthesis for orthopedic applications
(Trans Tech Publications, 2014-01)Powder injection molding (PIM) is a powder metallurgy process currently used for the production of complicated and near net shape parts of high performance materials [. This technique basically combines the advantages of ... -
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 ...