School of Materials Engineering (Theses): Recent submissions
Now showing items 141-155 of 155
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Damping properties of A357 alloys and A357-stainless steel composites fabricated under different conditions
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2010)The lab scale gravity casting technique was used to produce alloy specimens of nonsuperheated A357 alloy, superheated A357 alloy and composite specimens of superheated A357-0.5 and 1.0 wt.% stainless steel composites. ... -
Gold leaching process and recovery from gold scraps using ascorbic acid
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)A new process of gold leaching which involves the use of hydrochloric acid, sulphuric acid and sodium nitrate was studied. A series of screening study was conducted to identify the most suitable of these acids that capable ... -
Effect of chemical modification of eggshells powder filled low density polyetylene composites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)Eggshells powder filled low density polyethylene (LDPE/ESP) composites were studied. The composites were prepared by using Z-blade mixer at 1800C using a rotor speed of 50 rpm for 6 minutes. Sample of composites were ... -
Properties and biodegradability of waste paper filled polyurethane foams composites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)The research is focused to study the properties of polyurethane foam reinforced with different types and content of waste paper. The comparison of the effects of three types of waste paper, such as paper sludge (PS), old ... -
Mechanical and thermal properties of chitosan filled recycled polyethylene biocomposites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)The research was focused to investigate the utilization of chitosan biopolymer on properties of recycled polyethylene (RPE). The effect of chitosan loading of RPE biocomposites on mechanical properties, thermal properties, ... -
Refuse-derived plastic from waste expanded polystyrene and used deep-fried oil
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)A refuse-derived plastic was produced by mixing waste Expanded Polystyrene (EPS) in solution with used deep-fried oil (UDFO). A measured amount of methyl ethyl ketone peroxide (MEKPO) was added as a reaction initiator and ... -
Unsaturated polyester composites filled with untreated and surface treatment sugarcane bagasse by hot press technique
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)The aim of this research is the improvement of the mechanical properties of natural fiber reinforced thermoset, as a result of optimization of the properties of sugarcane bagasse fibers by the use of NaOH treatment process. ... -
Effects of solution treatment temperature on the mechanical properties of commercial recycled aluminium alloy cylinder head (A319)
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)The present work was performed to investigate the effect of different solution treatment temperature on commercial recycled aluminium alloy cylinder head during artificial ageing process. All samples were sectioned from ... -
Properties of water hyacinth fibers (Eichhornia crassipes) filled low density polyethylene/acrylonitrile butadiene styrene composites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)The water hyacinths are largely available in local rivers. In this research, the water hyacinth fibers have been used as reinforcing components for low density polyethylene (LDPE) and acrylonittile butadiene styrene (ABS). ... -
Properties of eggshell powder filled low density polyethylene/ acrylonitrile butadiene styrene composites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)Eggshell powder is one of the most abundant materials on our planet and has been quite early used in ground form to produce polymer composites. Chemical unmodified and modified eggshells powder filled low density polyethylene ... -
A study on physical separation processes for recovery metals from waste printed circuit boards (PCBs)
(Universiti Malaysia PerlisSchool of Materials Engineering, 2011)In view of increasing the waste PCBs, a physical separation process has been carried out to recover metals from waste PCBs. This research is aimed to implement an effective and environmental friendly recovery particularly ... -
Characterization and mechanical properties of coconut shell filled acrylonitrile butadiene styrene / ethylene propylene diene monomer composites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)Coconut shell filled ABS/EPDM composites were prepared using a Z-blade mixer at processing temperature 2000C and rotor speed 50rpm.Effect of chemical treatment,different composition of blend ratio , different filler loading ... -
Application of chitosan biopolymer as a sensing material
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)The chitosan solution has been succesfully deposited on the silicon wafer using sol-gel method to fabricate the chitosan thin film sensors. The effect of different annealing temperature and annealing time to their electrical ... -
A study on nanostructured of anodised aluminium template Synthesised by the mixture of phosphoric acid and acetic acid
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)The formation of anodic aluminium oxide (AAO) film in anodising process has been studied. The anodising process was done in a mixture of phosphoric acid and acetic acid. The purpose of mixed acid solution as electrolyte ... -
Characterization and properties of calcium carbonate filled polypropylene (PP) / ethylene propylene diene terpolymer (EPDM) composites
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)Composites of thermoplastic elastomer blend of polypropylene (PP) and ethylene propylene diene terpolymer (EPDM) reinforced calcium carbonate (CaCO3) was investigated. All the composites were prepared by using Z-blade ...