School of Materials Engineering (Theses): Recent submissions
Now showing items 41-60 of 155
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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 ... -
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 ... -
Preparation and characterization of hybrid filler reinforced UHMWPE composites for artificial joint replacement
This is a study of ultra-high molecular weight polyethylene (UHMWPE) reinforced with zinc oxide (ZnO) under various filler loadings (3, 7, 12, 18 and 25 wt.%) and hybridized with incorporation of chitosan (CS). Further ... -
The development of Sn-Cu-Ni lead free composite solder influence by non-metallic reinforcement
For several decades, Sn-Pb alloys have been extensively used as soldering material in the electronic packaging industry. Even so due to the concern on the toxicity of lead in eutectic SnPb solders, researchers have been ... -
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 ... -
The effect of stearic acid treatment and calcium carbonate on properties of kenaf reinforced polyester composites
In this research, kenaf/unsaturated polyester and kenaf fiber/CaCO₃ polyester hybrid composites were fabricated using hand lay-up method. The effect of surface treatment of kenaf and CaCO₃ on the mechanical properties, ... -
The effect of filler content and chemical modifications on properties of coconut shell regenerated cellulose biocomposite films
The coconut shell (CS) regenerated cellulose (RC) biocomposite films were produced with CS and microcrystalline cellulose (MCC) using N.N-dimethylacetamide/lithium chloride by solution casting technique. The effect of CS ... -
Production of self-compacting concrete containing limestone powder with the effect of internal and external salts
This study aims at investigating the influence of different amounts of internal sulphate (CaSO4) and external salts on the properties of Self-Compacting Concrete (SCC). Three sets of mixes (No.1), (No.2) and (No.3) which ... -
Development of Sn-Cu filled activated carbon composite solder via powder metallurgy technique
The revolution of electronic applications which have been assembled in smaller parts, lighter and more functional, causes the solder to become crucial over the worlds. These classes of low melting point alloys must provide ... -
Characterization and properties of recycled polypropylene (rPP)/ recycled high density polythylene (rHDPE) blends and its composites
The thermoplastic blends of recycled polypropylene (rPP) and recycled high density polyethylene (rHDPE) was studied. The rPP/rHDPE blends were prepared by using twin screw extruder at temperature 190⁰C and rotor speed of ... -
Synthesis and characterization of reduced grahene oxide (rGO) / tips-pentacene composite material for organic thin film transistor (OTFT) sensor platform
Organic thin film transistor (OTFT) has drawn a lot of attention due to their advantages of flexible, transparent, easy to fabricate and cost effective production. The main problem occurred in OTFT was its lower ion mobility ... -
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 ... -
Synthesis and characterisation of ternary system LiCoPO₄-LiNiPO₄-LiMnPO₄ cathode materials for Li-ION batteries
Electrochemical energy storage devices with high energy density are important in modern society. In order to obtain high energy density Li ion batteries, cathode materials with high discharge voltage and discharge capacity ... -
Synthesis, characterization and properties of low density polyethylene filled with reduced graphite oxide
Graphite based materials have become promising candidates in polyolefin nanocomposites in widening the application such as a packaging material. However, the utilization of these combination exhibits a doubt on how was ... -
Study on organic acid leaching method to eliminate impurities in rice husk
The aim of this thesis is to investigate the effect of citric acid leaching method to eliminate impurities in rice husk (RH) in order to obtain high purity silica (SiO₂) for the production of rice husk glass (RH-glass). ... -
Effects of cellulose, bentonite and hybrid cellulose/bentonite fillers on morphology, ambient and low temperature tensile properties of thermoplastic starch composites for refrigerated food packaging application
Thermoplastic starch (TPS) is a biodegradable and renewable bio-based plastic which has great potential for the fabrication of edible and biodegradable film for refrigerated food packaging application. In this study, ... -
Comparative study of natural rubber and recycled natural rubber as toughening agent in epoxy foam
Epoxy foam is one of the common materials used, which being applied especially as the insulator material in electronic purposes and aerospace applications. In order to maximize the potential of natural rubber and recycled ... -
Potential of LUSI Mud as geopolymer material for artificial lightweight aggregate
The abundant amount of LUSI (LU-Lumpur, SI-Sidoarjo) mud that began erupting near the Banjarpanji-1 exploration well in Sidoarjo, East Java, Indonesia need to convert onto useful and valuable alternatives. Geopolymer becomes ... -
Characterization and properties of natural rubber/styrene butadiene rubber/recycled acrylonitrile butadiene rubber (NR/SBR/rNBR) blends
Utilization of recycled rubber in rubber blends preparation has provided the simplest and most cost-effective method in recycling discarded rubber products. The increasing demand for nitrile latex glove and it high consumption ... -
Effects of cross head speed on properties and energy absorption of sandwich AL/PU-PTFE foam composite
This study to investigates the relations between cross head speed and the energy absorption of sandwich Al/PU/PTFE foam composite. The PU foam was prepared using the palm oil based polyol and isocyanate (MDI) with ratio ...