School of Materials Engineering (Articles): Recent submissions
Now showing items 201-220 of 560
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Influence of oxide molar ratios on kaolin geopolymers
(American Scientific Publishers, 2013-12)Oxide molar ratios are the main key parameter determining the performance of a kaolin geopolymers. The kaolin composition and various mixture proportions will lead to different oxide molar ratios in geopolymer system. In ... -
Compaction optimization of Sn-Cu-Si3N4via powder metallurgy route for composite solder fabrication
(Trans Tech Publications, 2013)The aim of this study was to optimize the compaction process of a composite solder fabricated via powder metallurgy route, before details study were conducted in the next stage. Powder of Sn, Cu and Si3N4 were carefully ... -
Static X-ray scans on the titanium hydride (TiH2) powder during dehydrogenation
(Trans Tech Publications, 2013)This work investigates the dehydrogenation of TiH2 powder during isothermal heating at 600°C using the static x-ray scans of high temperature x-ray diffraction (XRD). As-received TiH2 powder with a particle size of 5 μm ... -
Self-compacting high density tungsten-bronze composites
(Elsevier, 2013-07)Green compacts of W–bronze were encapsulated in shells of bronze powder, placed in a ceramic mold and sintered in alumina tube furnace at 1150 °C. Throughout the sintering cooling stage the differential coefficient of ... -
Preparation of cyciopentyi trisiianoi siisesquioxanes - modified natural rubber (CpSSQ(OH)3 - ENR-50) composite hybrid in the presence of HCI acid
(Trans Tech Publications, 2013)A composite comprising cyclopentyl trisilanol siisesquioxanes (CpSSQ(OH)3) and 50% epoxidized natural rubber (ENR-50) was prepared at reflux temperature employed hydrochloric acid (HCl) as catalyst. HCl was found to be an ... -
Mechanism of current transport for a photoelectrochemical cells of ITO/Cu2O/PVC-LiClO4/graphite
(Trans Tech Publications, 2013)This paper deals with the current transport mechanism of solid state photoelectrochemical cells of ITO/Cu2O/PVC-LiClO4/graphite as well as the physical properties of a component of a device affecting its performance. The ... -
Preparation and characterisation of polyamide 11/montmorillonite (MMT) nanocomposites for use in angioplasty balloon applications
(Elsevier B.V., 2013-12)With increased demands on catheter balloon functionality, there is an emphasis to blend new materials which can improve mechanical performance. Polymer nanocomposites were prepared by melt blending polyamide 11 (PA 11) ... -
Cure characteristics and hardness of recycled latex catheter (LCr) filled with Standard Malaysia Rubber (SMR L) compounds
(Trans Tech Publications, 2013)The effect of cure characteristics and hardness of LCr filled SMR L compound were investigated. The size of LCr were 20 - 25 mm in range. Six compounds; 0, 5, 15, 2 5, 35 and 5 0 per hundred rubber (phr) of LCr were prepared ... -
Identification of limiting friction coefficient towards improved hip prostheses
(Trans Tech Publications, 2013)Wear generated by the presence of friction on hip joint contact surfaces can cause debris, which may lead to loosening and failure of the hip prostheses. The objective of this study is to examine the limiting friction ... -
Optimal coefficient of friction onartificial knee joint contact surfaces
(Trans Tech Publications, 2013)Wear generated by the presence of frictiononknee joint contact surfaces can cause debris, which may lead to failure of the artificial knee joint. In this study, the effects of friction coefficients occur on the knee joint ... -
Comparison of liquid phase sintering and Cu-melt infiltration methods to consolidate 80W-Cu composite using nickel as sintering activator
(Trans Tech Publications, 2013)In this article, studies were conducted to evaluate the densification of W- Cu sintered compacts produced using two methods; liquid phase sintering (LPS) and combination of liquid phase sintering and liquid infiltration ... -
Properties of chicken feather fiber-filled low-density polyethylene composites: The effect of polyethylene grafted maleic anhydride
(Taylor and Francis Group, LLC., 2013-04)The effects of polyethylene grafted maleic anhydride on tensile properties, morphology, thermal degradation, and swelling behavior of low density polyethylene/chicken feather fiber composites were studied. The LDPE/CFF ... -
Reviews on the different sources materials to the geopolymer performance
(AENSI Publisher All rights reserved, 2013-10)Geopolymer is manufactured from the aluminosilicate source material in example fly ash, silica fume, kaolin, ground granulate blast slag (GGBS), boiler ash and volcano ash reactivated via alkaline solution. But the different ... -
Extraction of silica from palm ashvia citric acid leaching treatment
(AENSI Publisher All rights reserved, 2013-10)Agricultural wastes such as palm ash and rice husk have a possibility to be used as a usefully renewable source for production of energy and silica (SiO2). Extensive researches have been carried out to extract silica from ... -
Dielectric properties of barium titanate with different stoichiometry
(Trans Tech Publications, 2013)This paper focused in details about dielectric properties of BT with different stoichiometry. In this research, BT was synthesis by solid state reaction between TiO2 and BaCO3 at constant sintering temperature of 1350 °C. ... -
Grafting amino-acid molecular imprinted polymer on carbon nanotube for sensing
(Elsevier Ltd., 2013)Molecular imprinted polymer (MIP) is a good matrix that exhibit satisfactory recognition ability when integrated onto sensing transducer. We report on the preparation of such material by graft-polymerizing MIP on the surface ... -
Corrosion performance of reinforcement bar in geopolymer concrete compare with its performance in ordinary portland cement concrete: A short review
(Trans Tech Publications, 2013)Since decades ago, corrosion is the crucial factors for million dollars loss in construction industry. Corrosion of reinforcement bar in ordinary Portland cement (OPC) concrete is mainly due to chloride and acid attack and ... -
Extraction of silica from palm ash using citric acid leaching treatment: Preliminary result
(Trans Tech Publications, 2013)Large quantities of agricultural wastes such as palm ash and rice husk are found throughout Malaysia, have a possibility to be used as a usefully renewable source for production of energy and silica (SiO2). Extensive ... -
Electronic structure, electronic charge density and optical properties analyses of Rb₂Al₂B₂O₇ compound: DFT
(ESG, 2014-01)We have presented an analysis of some important electronic and optical characteristics of the Rb₂Al₂B₂O₇ compound, based on the ab initio calculations of its electronic band structure, electronic charge density and dielectric ... -
Drift and diffusion component studies in cdte structure for photovoltaic application
(ESG, 2014-01)A photovoltaic cell is designed to convert sunlight into electrical energy through the photoelectric effect. Solar cells are the most attractive source to harness solar energy; it is not only has high efficiency, but also ...