Browsing School of Materials Engineering (Theses) by Title
Now showing items 47-66 of 107
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The effects of filler loading and coupling agents on properties of recycled high density Polyethylene/wood fiber composites
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2015)The recycled high density polyethylene (rHDPE)/wood fiber (WF) composites had been prepared using Brabender Plasticorder at temperature 160˚C with rotor speed of 50 rpm. The effect of wood fiber loading and coupling ... -
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, ... -
Fabrication and characterization of hybrid microwave assisted sintering Sn-0.7Cu + 1.0wt.% Si₃N₄ composite solder
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2015)One of the leading choices in upgrading the properties of existing lead-free solder alloys is by composite technology approach, whereby high technical ceramic particles can be added into the solder alloy matrix. Accordingly, ... -
Fabrication and properties of magnesium-calcium alloy via powder metallurgy technique
Composition of Mg-Ca alloys were prepared by powder metallurgy (PM) method with addition of different calcium content and sintering temperature. This is to evaluate the effect caused by the amount of calcium content and ... -
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 ... -
Fabrication, properties and in vitro study of Magnesium/ Zinc/ Bioglass composite fabricated by powder metallurgy method
The development of metallic biomaterials becomes a major research activity especially for load bearing implants in the orthopaedic applications. Currently, commercially pure titanium and its alloy, cobalt-based alloys and ... -
Foaming and curing an aqueous epoxy foam using microwave
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2014)This study reports the effects of microwave energy, water content, and blowing agent concentration to the morphology, mechanical and thermal properties of aqueous epoxy foam based on polyamide-epoxy adduct. Samples of ... -
Geopolimer berasaskan abu terbang untuk aplikasi konkrit ringan
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2014)Proses pengeopolimeran merupakan proses pengaktifan bahan pozolan dengan larutan pengaktif alkali menggunakan abu terbang sebagai sumber aluminosilikat. Kajian ini merangkumi penghasilan konkrit ringan ... -
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 ... -
Hot air solder levelling (HASL) process parameters optimization for SN100CL
Reliability of electronic packaging has now become the most critical factor in electronic industries. The prediction of solder joint failure and its shelf life becomes more challenging as the increasing demand for superior ... -
Identification and characterization of natural latex from Tapioca (Manihot Esculenta)
This research was focused on the identification and characterization of natural latex from tapioca. The extraction of natural latex from tapioca leaves and stalk was made up by using blender method. The chemical properties, ... -
The influence of exfoliated graphite on sensing properties of chitosan / PVA based ammonia sensors
Chitosan was used as a sensing material for gas sensing applications. In order to nurture the chitosan properties as a sensing material, chitosan (CS) was blended with polyvinyl alcohol (PVA) and filled with exfoliated ... -
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 ... -
Interlayer mixing in lithium nickel manganese cobalt oxide cathode materials for rechargeable lithium batteries
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2014)Composition of LiNi1/3Mn1/3Co1/3O2 and its analogous Li[(Ni0.5Mn0.5)1-xCox]O2 were prepared by conventional solid state method to evaluate the effect of reducing cobalt contents to the layered rock salt-type cathode ... -
Investigation on the physical properties of magnesium feedstocks for metal injection moulding
Magnesium and its alloy are found to be extremely biocompatible and have similar properties to natural bone. This makes them an attractive material for the manufacture of biodegradable parts such as biomedical implant. As ... -
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 ... -
Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
The dynamic compression testing and static compression testing were performed using Split Hopkinson Pressure Bar (SHPB) apparatus and a conventional Universal Testing Machine (UTM), respectively. These two techniques were ... -
Mechanical and thermoelectric properties of fused deposition modeling (FDM) fabricated ABS and CABS-ZNO composite
The mechanical and thermoelectric properties of fused deposition modeling (FDM) fabricated acrylonitrile butadiene styrene (ABS)/ zinc oxide (ZnO) and conductive acrylonitrile butadiene styrene (CABS)/ZnO were studied. The ... -
Mechanical properties and thermal properties of PMMA/EVA/Kenaf short fiber composites prepared by twin screw extruder and injection holding
Poly (methyl methacrylate) (PMMA) composites with variation of kenaf short fiber (KSF) was prepared by using twin screw extruder and injection molding. The effect of ethylene vinyl acetate (EVA) on the toughness of PMMA/KSF ... -
Microstructure and properties of sintered Co-Cr-Mo alloy powder under different processing conditions
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2011)Co-Cr-Mo (ASTM F-75) alloy is one of the most important metallic biomaterials that are commonly used for surgical implant due to its mechanical properties, good wear resistance and biocompatibility. This study has focused ...