School of Materials Engineering (Theses): Recent submissions
Now showing items 21-40 of 155
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The effect of compatibilizer and coupling agent on properties and characterization of ethylene vinyl acetate / natural rubber / potash feldspar composites
The composites of ethylene vinyl acetate/ natural rubber/ potash feldspar (EVA/NR/PF) were studied. The composites were prepared by using Brabender Plasticoder at 160°C with 50rpm of the rotor speed. The effect of PF ... -
Development od SiC reinforced SnCu and SAC based lead-free solder composite via powder metallurgy route
Nowadays, composite solder has gain researcher’s attention due to its promising improvement in physical and mechanical properties for lead free solder. This study was carried out to investigate the effect of SiC particle ... -
Interlayer destabilization process of natural and commercial bentonite incorporated Ethylene Vinyl Acetate (EVA) nanocomposite with hybrid silicate nanofillers
Natural and commercial bentonites can act as efficient fillers to reinforce a polymer matrix if their strong interlayer binding forces are weakened to reduce tactoid formation. In this research, interlayers destabilization ... -
The study of chemical modifications on the properties of soy protein isolate (SPI) / kapok husk (KH) biocomposite films for agriculture applications
In this research, the utilization of kapok husk (KH) as a filler in soy protein isolate (SPI) was studied to replace the plastic and petroleum based polymer films for packaging. The effect of KH loading, crosslinking agents ... -
Effect of niobium oxide (Nb2O5) addition to the physical and mechanical properties of cold isostatic press zirconia toughened alumina (ZTA)
Effect of niobium oxide (Nb2O5) addition to the physical and mechanical properties of cold isostatic press zirconia toughened alumina (ZTA) was investigated. Various amount of Nb2O5 (0 - 7 wt.%) were added into ZTA ... -
Study on thermoplastic cassava starch modifications via chemical, photo and irradiation induced crosslinking
The characterization of modified thermoplastic starch (TPS) was investigated by means of mechanical properties, thermal properties, scanning electron microscope (SEM), Fourier transform infrared spectroscopy, high ... -
Soil stabilization application using geopolymerization method
Soft soils such as clay and silt have been associated to countless problems especially in engineering field. The main concern is to search for the best soil stabilizers to overcome the aroused problems. The purpose of soil ... -
Fabrication of SAC107 and Sn-0.7Cu lead free composite solder reinforced with Si3N4 via powder metallurgy route
The composite technology is the new approach to improve the service temperature capabilities and thermal stability of the solder joints. Low-silver Sn98.3-Ag1.0-Cu0.7 (SAC107) and Sn99.3-Cu0.7 (Sn-0.7Cu) solders were used ... -
Synthesis and characterization of a two-step reduced Graphene Oxide for antena applications in the microwave resime
This thesis presents the development of a two-step reduced graphene oxide that is to be implemented as the radiating element for a patch antenna. The two-step reduced graphene oxide is prepared with graphite powder and is ... -
Computational design and synthesis of molecular imprinted membranes for selective extraction of Quercetin
This thesis presents the fabrication of quercetin imprinted membranes (QIM) for selective extraction of quercetin through surface polymerization method. In the development of QIM, selection of functional monomer and the ... -
Characteristics and properties of activated carbon from bamboo filled Styrene Butadiene Rubber (SBR) vulcanizates
Carbonized bamboo and bamboo activated carbon (AC) were prepared via carbonization process and chemical activation process using potassium hydroxide (KOH) as activating agent. Carbonization process was conducted at different ... -
Study of the effect surface treatment of Kenaf fiber on mechanical and water absorption of kenaf filled unsaturated polyester composite
In this research, unsaturated polyester/kenaf fiber (UP/KF) composites was prepared by using hand lay-up process. The effect of surface treatment of kenaf fiber on mechanical, morphology, chemical structure and water ... -
Study on sensing properties of chitosan-polyethylene oxide-exfoliated graphite based toluene sensors
Chitosan was used as a material to fabricate film sensor because of its structure and properties where it consists of amino group which has free electron. In this study, chitosan was added with polyethylene oxide and ... -
Characterization and properties of Recycled Acrylonitrile Butadiene Rubber (rNBR) filled Epoxidized Natural Rubber (ENR 25) compound
The uses of recycled rubber in rubber compounding become an alternative method to reduce the landfill of rubber waste and gives opportunity to produce new product. In this research, the study on the properties of recycled ... -
Studies on the densification and grain growth mechanisms of Polycrystalline ceramic based on LaYO₃
LaYO₃ is a polycrystalline ceramic with the perovskite type oxide structure. LaYO₃ was prepared using solid state synthesis method. Initially, the sample was heated between 1200 °C to 1500 °C for 10 hours and slowly cooled ... -
Study the effect of isothermal aging on Sn-Ag-Cu (SAC) lead-free solder added with silicon carbide (SiC)
The usage of composite solder is one of the method in improving stability of the solder joints. Addition of certain particles such SiC to form a composite solder has been given greater attention since it can enhance the ... -
Kajian rintangan kakisan ke atas keluli bar tetulang dalam pes geopolimer
This study has been conducted to understand corrosion resistance on reinforcement bar in geopolymer. Geopolymer paste has been used as a substitute for ordinary Portland cement (OPC) concrete structures. Geopolymer paste ... -
The effect of filler content and chemical modification on properties of polylactic acid/recycled low density polyethylene/nypa fruticans husk biocomposites
Nypa fruticans husk (NFH) filled polylactic acid (PLA)/recycled low density polyethylene (rLDPE) biocomposites had been prepared using Brabender Plasticoder EC PLUS at temperature 180˚C and rotor speed 50 rpm. The effect ... -
Effect of chemical modifications and electron beam irradiation on properties of corn cob filled chitosan biocomposite films
The chitosan (CS)/corn cob (CC) biocomposite films were prepared via solvent casting method. The effects of CC content, crosslinking agents such as glutaraldehyde (GLA), salicylaldehyde (SAL), epichlorohydrin (EP) and ... -
The evolution of microstructures and properties due to materials tool interaction during friction stir welding of similar and dissimilar al and Cu alloys
In this work, main similar (6061 aluminum alloy) and dissimilar (commercially pure aluminum and copper) materials were butt joined via friction-stir welding (FSW). The influence of FSW parameters, namely, small pin geometry, ...