School of Materials Engineering (Articles): Recent submissions
Now showing items 21-40 of 560
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Corn cob filled chitosan biocomposite films
(Trans Tech Publications, 2013)Recently, there has been renews interest in chitosan as materials in producing of biocomposite films. The chitosan (CS)/corn cob (CC) biocomposite films were prepared by solvent casting method. The effect of CC content on ... -
Modified corn cob filled chitosan biocomposite films
(Taylor and Francis Group, LLC., 2013-11)The present work was investigated the effect of filler content and chemical modification on mechanical, thermal properties and morphology study of CS/CC biocomposite films. The acrylic acid was used as chemical modification ... -
Chitosan/corn cob biocomposite films by cross-linking with glutaraldehyde
(North Carolina State University, 2013-05)Corn cob (CC) was used as a filler in chitosan (CS) biopolymer films. The effect of glutaraldehyde (GLA) as a crosslinking agent was studied in an effort to improve the properties of CS/CC biocomposite films prepared via ... -
Natural rubber/styrene butadiene rubber/recycled nitrile glove (NR/SBR/rNBRg) ternary blend: Tensile properties & morphology
(AENSI Publisher All rights reserved, 2013-10)Recycling waste rubber products by utilising them in rubber blends had provided the simplest and most cost-effective ways in solving several environmental issues regarding the abundance of scrap rubbers. Discarded nitrile ... -
Shift of band gap from direct to indirect and optical response of lif under pressure
(World Scientific Publishing Co. Pte Ltd, 2013-04)We hereby are reporting the transition pressure at which lithium fluoride (LiF) compound transforms from direct band gap to indirect band gap insulator on the basis of FP-LAPW calculations. The fundamental band gap of LiF ... -
Mechanical performances of fly ash geopolymer bricks
(American Scientific Publishers, 2013-01)Geopolymer is a new class of three-dimensionally networked amorphous to semi-crystalline alumino-silicate materials, and first developed by Professor Davidovits in 1978. Geopolymers can be synthesized by mixing alumino-silicate ... -
The effect of electrolyte temperature on formation of porous aluminium oxide films in anodising process
(AENSI Publisher All rights reserved, 2013-10)A porous aluminium oxide film formed on aluminium was prepared in a mixed electrolyte of phosphoric acid and acetic acid solution. The morphology, growth and thickness of the film were investigated. The anodising process ... -
Heat dissipation analysis under natural convection condition on high power LED
(AENSI Publisher All rights reserved, 2013-10)As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes ... -
High power LED heat dissipation analysis via copper diamond slug
(AENSI Publisher All rights reserved, 2013-10)The emergence of high power light emitting diode as a novel electronic based light source is due to its vast advantage in terms of optical efficacy, low power consumption and enhanced life time. However, the performances ... -
Accounting oxygen vacancy for half-metallicity and magnetism in Fe-doped CeO2 dilute magnetic oxide
(Elsevier B.V., 2013)The present work explores the electronic and magnetic properties of Ce 1-xFexO2 (x = 0.125 and 0.06) with and without oxygen vacancies by full potential linear augmented plane wave method (FPLAPW) based on density functional ... -
Influence of different exchange correlation potentials on band structure and optical constant calculations of ZrGa2 and ZrGe2 single crystals
(Elsevier B.V., 2013-10)The all-electron full potential linearized augmented plane wave method was used to solve the Kohn Sham DFT equations. We have employed different approximations for the exchange correlation potentials, namely: LDA, GGA and ... -
Electronic structure, density of electronic states, and the chemical bonding properties of 2,4-dihydroxyl hydrazone crystals (C13H 11N3O4)
(Springer Science+Business Media New York., 2013-05)Electronic crystal structure, bonding properties, and the electron charge densities of 2,4-dihydroxybenzaldehyde-4-nitrophenylhydrazone (2,4-DHNPH,C 13H11N3O4) crystal are theoretically investigated. Calculations are ... -
Electronic structure, charge density, and chemical bonding properties of C11H8N2O o-methoxydicyanovinylbenzene (DIVA) single crystal
(Springer US, 2013)A comprehensive theoretical density functional theory (DFT) study of the electronic crystal structure, bonding properties, electron charge density of C11H8N2O o-methoxydicyanovinylbenzene (DIVA) single crystals were ... -
Density of electronic states and dispersion of optical functions of defect chalcopyrite CdGa2X4 (X = S, Se): DFT study
(Elsevier Limited, 2013)A density functional theory (DFT) based on full potential linear augmented plane wave (FPLAPW) was used for calculating the electronic structure, charge density and optical properties of CdGa2X4 (X = S, Se) compounds. Local ... -
LED heat dissipation study using different Cu slug size
(AENSI Publisher All rights reserved, 2013-10)High power light emitting diodes (LEDs) have significant contribution in illumination industry due exceptional advantages in terms of low power consumption, superior reliability, prolonged life time and high efficiency. ... -
Effect of cobalt stearate on outdoor exposure of LLDPE/soy spent powder blends
(Trans Tech Publications, 2013)In this study, the degradability of low linear density polyethylene (LLDPE) and soy spent powder blends under outdoor exposure of Malaysia. Cobalt stearate was used as a pro-oxidant. The degradation of the blends was ... -
A brief review of layered rock salt cathode materials for lithium ion batteries
(Trans Tech Publications, 2013)Nowadays, many researchers have been studying on the layered rock salt-type structure as cathode materials for the lithium ion batteries. LiCoO2 is the most commonly used cathode material but Co is costly and toxic. Thus, ... -
Milled groove square shape conformal cooling channels in injection molding process
(Taylor and Francis Group, LLC., 2013-08)In designing molds for injection molding process, it is very difficult to achieve efficient cooling with uniform thermal distribution. To overcome these issues, the uses of conformal cooling channels with the uniform ... -
Improving warpage on thin shallow parts in two-plate moulds with conformal cooling channels
(Praise Worthy Prize S.r.l., 2013-03)Nowadays, the trend of consumer products designed is getting smaller and most of cover is made from plastic which was produced by using injection molding process. Thus, the demand of thin shallow plastic parts in global ... -
Characterizations on the effect of processing of polymers blend with petroleum coke (part I)
(Trans Tech Publications, 2013)Global demand for plastics has grown significantly over the past decades, and will continue to expand with rising income levels in emerging economies; a number of approaches have been used to recycle polymer waste. While ...