Browsing Journal Articles by Title
Now showing items 1807-1826 of 3115
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Microfluidic channel depth determination with Tywman-Green interferometer
(Springer-Verlag London., 2013-07)A microfluidic channel is fabricated on a silica wafer using reactive ion etching (RIE). The depth of the microfluidic channel has been measured using a surface profilometer and a Twyman-Green interferometer (TGI) setup. ... -
Microfluidic photomask design using CAD software for application in lab-on-chip biomedical nano diagnostics
(Trans Tech Publications, 2013)Photomasks are used as stencil to print images on semiconductor material. This study represents design and specifications of photomask for microfluidic fabrication. For a precise pattern transfer, the photomask should meet ... -
Microfluidics design and fabrication for life sciences application
(American Scientific Publishers, 2013-01)This paper introduces a simple design and fabrication for microfluidics that need no external pumping power to delivery fluid into sensing domain with minimum sample available. Analysis using COMSOL 3.5 Multiphysics ... -
Micropump pattern replication using Printed Circuit Board (PCB) technology
(Taylor and Francis Group, LLC., 2013-06-01)This article shows a low-cost rapid hot embossing poly (methylmeth acrylate) (PMMA)-based micropump replication with printed circuit board (PCB) mold. PCB material offers advantages of low cost, rigid, and rapid thermal ... -
Microscopic dynamics of a large-scale pedestrian evacuation model
(Academic Journals, 2012-01-09)Numerous models have been developed for estimating the time required to evacuate from a variety of places under various conditions. For high-traffic places, such as commercial and industrial buildings, it is vital to be ... -
Microstructural analysis of geopolymer and ordinary Portland cement mortar exposed to sulfuric acid
(Revista De Materiale Plastice, 2013-09)The vulnerability of ordinary Portland cement (OPC) concrete to acidic attack is a worrying subject regarding the future durability of this binder. On the other side of binder's technology, the new technology of cement ... -
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 ... -
Microstructure, Properties and Fracture Mechanism of Al 2014 Reinforced with Alumina Particles
(Kolej Universiti Kejuruteraan Utara Malaysia, 2004)The studies of microstructure, properties and fracture mechanism have been conducted on Al 2014 matrix alloy reinforced with 10 volume percent (Composite 1) and 15 volume percent (Composite 2) of alumina (Al2O3) particles ... -
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 ... -
Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
(Universiti Malaysia Perlis (UniMAP), 2021-07)The purpose of this study is to enhance the sensitivity of Surface Plasmon Resonance (SPR) sensor using core-shell Fe3O4@Ag nanoparticles (NPs). Fe3O4@Ag NPs were synthesized by co-precipitation method with various ...