School of Materials Engineering (Articles): Recent submissions
Now showing items 481-500 of 553
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The effect of NCO-polyol on the properties of low-density polyethylene/water hyacinth fiber (Eichhornia crassiper) composites
(Taylor & Francis Group, LLC., 2010-05-08)Low density polyethylene (LDPE)/modified water hyacinth fiber (WHF) composites have been prepared by melt blending. All the composites were characterized by tensile test, differential scanning calorimetry (DSC), water ... -
Effect of polyethylene-grafted maleic anhydride (PE-g-MAH) on properties of low density polyethylene/eggshell powder (LDPE/ESP) composites
(Taylor & Francis Group, LLC., 2010-01-04)The effect of polyethylene-grafted maleic anhydride (PE-g-MAH) on the tensile properties, morphology and thermal properties of low-density polyethylene (LDPE)/eggshell powder (ESP) composites was studied. LDPE/ESP composites ... -
Microstructural study and differential scanning alorimetry analysis at elevated temperatures of uperheated as-cast A357 alloy
(University of Malaya, 2009)The microstructure of superheated as-cast A357 alloy has been analysed to study the solidification structures of α-Al dendrites, eutectic Si particles and intermetallic compounds at different sections of the specimen. The ... -
Studies on mechanical alloying of copper-tungsten carbide composite for spot welding electrode
(Springer New York, 2009-12)This article presents a study on the properties and performance of copper-based composite reinforced with recycled tungsten carbide powder as spot welding electrode. The copper-tungsten carbide composite electrode was ... -
Determination of crystal changes on sodium cobaltite (NaCo 2O4) by Reitveld analysis as a suitability function in thermoelectric materials
(American Institute of Physics, 2010-03-11)Sodium Cobaltite, NaCo2O4 has been studied extensively as a new thermoelectric material. The cobalt oxide position in each sodium unit cell may determine the power produced by this type of thermoelectric materials. In this ... -
Thermal expansion coefficient and dielectric properties of non-stoichiometric cordierite compositions with excess MgO mole ratio synthesized from mainly kaolin and talc by the glass crystallization method
(Elsevier B. V., 2010-04-02)α-Cordierite phase in non-stoichiometric cordierite formulations was synthesized using mainly kaolin and talc, without sintering aids, via the glass crystallization route. MgO mole ratios in the formulations were varied ... -
KUKUM Artificial Marble
(Malaysian Invention and Design Society (MINDS), 2005-05-19)KUKUM Artifcial Marble based on polymer resin (thermoset or thermoplastic) and dolomite to create an artificial material that outperform and look like natural marble or tile physically, thermally and mechanically. -
Comparison of dynamic mechanical properties of non-superheated and superheated A357 alloys
(Slovak Academy of Sciences, 2010-03-01)The influence of superheat treatment on the microstructure and dynamic mechanical properties of A357 alloys has been investigated. The study of microstructure was performed by optical microscope. Dynamic mechanical ... -
Failure analysis on a ruptured petrochemical pipe
(Carl Hanser Verlag, 2010-03-16)The failure took place on a welded elbow pipe which exhibited a catastrophic transverse rupture. The failure was located on the welding HAZ region, parallel to the welding path. Branching cracks were detected at the ... -
The effect of heat treatment on the open circuit potential of magnesium sacrificial anode
(University of Malaya, 2009)Magnesium sacrificial anode that possess high value of open circuit potential, Eoc is needed as it can protect larger area of underground metal structure in cathodic protection. Solution treatment was applied on magnesium ... -
The influence of welding parameters and corrosive environment on the joint strength of resistance spot-welded mild steel sheets
(Universiti Malaya, 2009)In the present work, mild steel sheets consisting two batches were welded by resistance spot welding at different welding parameters and exposed under different environments. The 5% sodium chloride brine was used in the ... -
The fabrication of artificial marble from dolomite (Batu Reput)
(The Mineral, Metals & Materials Society (TMS), 2006-01)Perlis is one of the major producers of "Batu Reput" in Malaysia and majority of the deposits contain of high-purity calcium and magnesium carbonate. The composition of Batu Reput is similar with the ordinary dolomite. ... -
Effects of dynamic vulcanization and acrylic acid on properties of recycled poly(vinyl chloride)/acrylonitrile butadiene rubber (PVCr/NBR) blends
(Taylor & Francis, 2006)Effects of dynamic vulcanization and acrylic acid (AAc) on processability, mechanical properties, swelling behavior, morphology, and thermal stability of recycled poly(vinyl chloride)/acrylonitrile butadiene rubber (PVCr/NBR) ... -
Extraction mechanism of Gd3+ by BTMPPA
(Elsevier, 2006)The extraction behavior of Gd(III) from acidic nitrate-acetato medium by bis(2,4,4-trimethylpentyl)phosphinic acid (BTMPPA, H2A2) in toluene either alone or in combination with trioctylphospine oxide (TOPO, B) has been ... -
Taste profiling of Centella Asiatica by a taste sensor
(MYU K.K., 2003)A taste sensor was used for organoleptic profiling and quality evaluation of Centella asiatica extracts and isolates on the basis of basic tastes i.e., sweet, sour, bitter, salty and umami. The sensor uses an array of ... -
Properties of paper sludge filled polypropylene (PP)/ethylene propylene diene terpolymer (EPDM) composites: The effect of silane-based coupling agent
(Taylor & Francis, 2006-09)Paper sludge was used as a filler in PP/EPDM composites and 3-aminopropyl triethoxysilane (3-APE) was used in this study as a coupling agent. The effects of filler loading and 3-APE on the mechanical properties, water ... -
The effects of dynamic vulcanization and compatibilizer on properties of paper sludge-filled polypropylene/ethylene propylene diene terpolymer composites
(Wiley Periodicals, 2007)The effects of dynamic vulcanization (DV) and dynamic vulcanization plus compatibilizer (DVC) of paper sludge (PS) filled polypropylene/ethylene propylene diene terpolymer (PP/EPDM) composites on torque development, ... -
Nitridation of Al-Mg-Si alloys through dynamic heating
(Universiti Kebangsaan Malaysia, 2007-12)Nitridation behaviour of Al-Mg-Si alloys as studied as a function of temperature by means of thermogravimetry method. A reactive gas, N2-4%H2 at a rate of 10 ml/min was purged into the thermogravimetry analyser chamber. ... -
Transient parameters of a coated quartz crystal microbalance sensor for the detection of volatile organic compounds (VOCs)
(Elsevier B.V., 2005-09)A PVC blended lipid membrane coated quartz crystal microbalance has been prepared to mimic human olfaction system. Transient response curves of the sensor on exposure to methanol, ethanol, chloroform, acetone and benzene ...