Browsing School of Materials Engineering (Articles) by Title
Now showing items 337-356 of 560
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Microstructural characterization of ZrO2 layer coating on martensitic stainless steel
(Trans Tech Publications, 2012)High carbon steel stainless steel such as 440C martensitic stainless steel, are commonly used for automotive components, such as ball bearings, races, gage blocks and valve. In this study, 440C steel was coated with ZrO2 ... -
Microstructural study and differential scanning alorimetry analysis at elevated temperatures of uperheated as-cast A357 alloy
(University of Malaya, 2009)The microstructure of superheated as-cast A357 alloy has been analysed to study the solidification structures of α-Al dendrites, eutectic Si particles and intermetallic compounds at different sections of the specimen. The ... -
Microstructural study of Al-Si-Mg alloy reinforced with stainless steel wires composite via casting technique
(Science Publications, 2008)The microstructural study of Al-Si-Mg alloy reinforced with stainless steel wires (Al-Si-Mg/SSw) has been investigated and focused on the both microstructures in the matrix and near to the interface and also the wetting ... -
Microstructure and in-vitro test bioactivity behavior of Co-Cr-Mo (F-75)/hydroxyapatite in phosphate buffered saline solution
(Technical University of Košice, 2014)Cobalt based alloys were the first metallic materials successfully used in orthopedic applications. However, these alloys are bioinert, it is necessary to make them bioactive in the human body to improve their application ... -
Microstructure and interface analysis of glass particulate reinforced aluminum matrix composite
(Trans Tech Publications (TTP), 2013)A characterization of microstructure and interface was made on the composites Al- 4% Cu reinforced with 15 wt. % glass particulate. The composite was fabricated by powder metallurgy followed by solution treatment and ... -
Microstructure and microhardness properties of Fe-Cr-Al2O3 composites
(Universiti Putra Malaysia (UPM), 2010)The requirement for high performance materials of high wear and corrosion resistance lead to an increasing interest in ferrous matrix composites. Metal matrix composite of iron-chromium reinforced with alumina was fabricated ... -
Microstructure and properties of heat-treated 440C martensitic stainless steel
(Trans Tech Publications, 2013-02)440C martensitic stainless steels are widely used because of their good mechanical properties. The mechanical properties of 440C martensitic stainless steel were evaluated after heat treatment of these materials at various ... -
Microstructure evolution of Sn-3.5Ag-1.0Cu-0.5Ni/Cu system lead free solder under long term thermal aging
(Scientific.Net, 2012-12)Due to environmental concerns, lead-free solders were introduced in replacing the lead-based solders in microelectronics devices technology. Although there are many lead-free solder available, the Sn-Ag-Cu solder was ... -
Microstructure studies on the effect of the alkaline activators of fly ash-based geopolymer at elevated heat treatment temperature
(Trans Tech Publications, 2013)Fly ash-based geopolymers are new binding materials produced to replace the ordinary Portland cement (OPC) used in concrete. In this research, the effect of alkaline activators on the compressive strength and the microstructure ... -
Microstructure study on optimization of high strength fly ash based geopolymer
(Trans Tech Publications, 2012)The compressive strength and microstructural characteristics of fly ash based geopolymer with alkaline activator solution were investigated. The sodium hydroxide and sodium silicate were mixed together to form an alkaline ... -
Microstructure study on volcano ash geopolymer aggregate at different sintering temperature
(Trans Tech Publications, 2014)Recent research shows that the by-product materials such as fly ash can be used as raw material in producing aggregates and lightweight aggregates. The usage of this material can improve the quality of the aggregates ... -
Microstructures study on cuprous oxide thin films deposited on different substrates by using sol-gel technique
(Scientific.Net/Trans Tech Publications, 2012-12)Cuprous oxide (Cu₂O) thin films were formed onto three different substrates such as indium tin oxide (ITO) coated glass, titanium oxide (TiO₂) and n-Si substrates by sol-gel spin coating technique. It was found that the ... -
Milled groove square shape conformal cooling channels in injection molding process
(Taylor and Francis Group, LLC., 2013-08)In designing molds for injection molding process, it is very difficult to achieve efficient cooling with uniform thermal distribution. To overcome these issues, the uses of conformal cooling channels with the uniform ... -
Mineralization of diazo dye (Reactive Black 5) in wastewater using recirculated up-flow constructed wetland reactor
(Desalination Publications, 2012)Application of a sequential anaerobic and aerobic process in a constructed wetland can enhance the treatment performance of textile wastewater. In this study, two laboratory-scale recirculated up-flow constructed wetland ... -
Mineralization of Methyl Orange-containing wastewater by integrated anaerobic and aerobic processes using spent granular activated carbon-biofilm under sequencing batch reactor operation
(Taylor & Francis, 2013)Mineralization of azo dye required combination of anaerobic and aerobic processes either in two stages or single stage of treatment. The aim of the present study was to evaluate the treatment performance in the decolorization ... -
Mixing optimization of Sn-Cu-Si₃N₄ via powder metallurgy route for composite solder fabrication
(Trans Tech Publications, 2014)The aim of this study was to optimize the mixing process of a composite solder fabricated via powder metallurgy route, before details study were conducted in the next stage. Powder of Sn, Cu and Si₃N₄ were carefully weighted, ... -
Modified cocoa pod husk-filled polypropylene composites by using methacrylic acid
(North Carolina State University, 2013-08)The effect of filler modification using methacrylic acid (MAA) on polypropylene (PP)/cocoa pod husk (CPH) composites was studied. The performances of unmodified and modified PP/CPH composites were analyzed for torque ... -
Modified corn cob filled chitosan biocomposite films
(Taylor and Francis Group, LLC., 2013-11)The present work was investigated the effect of filler content and chemical modification on mechanical, thermal properties and morphology study of CS/CC biocomposite films. The acrylic acid was used as chemical modification ... -
Morphology, analysis and properties studies of CdS nanostructures under thiourea concentration effect for photovoltaic applications
(Electrochemical Science Group, 2013-08)CdS nanostructures are prepared by sol-gel spin coating method using different thiourea concentrations. The thiourea concentration effect for CdS nanostructures deposited on quartz substrate is studied. The CdS nanostructures ... -
NaAuS chicken-wire-like semiconductor: electronic structure and optical properties
(Elsevier, 2014-01)The electronic structure, charge density and optical properties of NaAuS a chicken-wire-like semiconductor was calculated using full potential linear augmented plane wave based on density functional theory. The Ceperley-Alder ...