Browsing School of Materials Engineering (Theses) by Title
Now showing items 70-89 of 166
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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, ... -
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 ... -
Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
Chemical modification plays an important role in enhancing interfacial adhesion in thermoplastic biocomposites. In this study, the cocoa pod husk (CPH) filled polypropylene (PP) biocomposites were prepared using Brabender ... -
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 ... -
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 ... -
The effects of the electroless copper coating to the thermal expansion behaviors of silicon carbide particles reinforced copper matrix composites for the electronic packaging applications
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2012)The demands for advanced thermal management materials with high thermal conductivity and low coefficient of thermal expansion (CTE) are expected to increase due to the technological progress in the thermal management ... -
Electrochemical anodization of aluminum at room temperature by electronically controlled direct current circuit
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2014)Anodic aluminum oxide (AAO) films have been investigated and used in numerous products for more than 50 years. The morphologies of the AAO films can be classified into barrier-type and porous-type. Barrier-type films ... -
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 Cobalt-Chromium implant composite
(Universiti Malaysia PerlisSchool of Materials Engineering, 2007)Cobalt implant composite (CIC) was produced by powder metallurgy technique. Composition of 0% ,5%, 10%, 15% and 20% of hydroxyapatite was mixed with cobaltchromium alloy. The fabrication technique is mixing, blending, ... -
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 nanostructured anodized aluminum oxide (AAO) on Si-Al substrate for electronic applications
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2012)The growth of anodized aluminum oxide (AAO) film in anodizing process has been studied. The anodizing process was done in oxalic acid. The purpose of choosing oxalic acid as the electrolyte is to create AAO with a medium ... -
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 ... -
Fabrikasi dan penganodan komposit metalurgi serbuk aluminium-magnesium diperkuat gentian pendek alumina saffil
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2013)Anodising process on powder metallurgy aluminium-magnesium composites reinforced with short fibre alumina SaffilTM has been studied. PM Al-Mg composites were fabricated using PM route with Mg powder as the alloying element ... -
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 ... -
High temperature corrosion behaviour of austenitic stainless steel with CaCO₃ and MgCO₃ deposit
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2009)The high temperature corrosion behaviour of austenitic stainless steel was studied at 850°C, 900°C, 950°C and 1000°C for 24 to 120 hr exposure time with CaCO₃ and MgCO₃ deposit. Two commercial available austenitic stainless ... -
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 ...