Journal of Micro and Nano: Recent submissions
Now showing items 321-340 of 372
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Application of Magnetic Polishing With Ball Nose Shaped Tool for Microchannel Shape
(The American Society of Mechanical Engineers (ASME), 2014)In recent years, high quality and accuracy surface are needed for the microchannels such as to be used as micrototal analysis systems (microTAS) chips. On the other hand, we demonstrated that the use of smaller size machine ... -
Quantifying Dispersion of Nanoparticles in Polymer Nanocomposites Through Transmission Electron Microscopy Micrographs
(The American Society of Mechanical Engineers (ASME), 2014)The property of nanocomposites is crucially affected by nanoparticle dispersion. Transmission electron microscopy (TEM) is the “golden standard†in nanoparticle dispersion characterization. A TEM Micrograph is a ... -
Filament Based Fabrication and Performance Analysis of Fiber Bragg Grating Sensors Using Ultrashort Pulse Laser
(The American Society of Mechanical Engineers (ASME), 2014)The method of ultrashort pulse filamentation induced refractive index modification is employed to inscribe fiber Bragg grating (FBG) in singlemode optical fiber (SMF). Linebyline index inscription technique is used to write ... -
ArF Excimer Laser Micromachining of MEMS Materials: Characterization and Applications
(The American Society of Mechanical Engineers (ASME), 2014)Excimer laser ablation is a versatile technique that can be used for a variety of different materials. Excimer laser ablation overcomes limitations of conventional twodimensional (2D) microfabrication techniques and ... -
A Fundamental Study and Modeling of the Micro Droplet Formation Process in Near Field Electrohydrodynamic Jet Printing
(The American Society of Mechanical Engineers (ASME), 2014)Nearfield electrohydrodynamic jet (Ejet) printing has recently gained significant interest within the manufacturing research community because of its ability to produce micro/submicronscale droplets using a wide variety ... -
Fast Dispersive Laser Scanner by Using Digital Micro Mirror Arrays
(The American Society of Mechanical Engineers (ASME), 2014)We demonstrate a fast dispersive laser scanning system by using MEMS digital micromirror arrays technology. The proposed technique utilizes realtime dispersive imaging system, which captures spectrally encoded images with ... -
Computational Fluid Dynamic Analysis of Eccentric Atomization Spray Cooling Nozzle Designs for Micromachining
(The American Society of Mechanical Engineers (ASME), 2014)A recent development in cooling and lubrication technology for micromachining processes is the use of atomized spray cooling systems. These systems have been shown to be more effective than traditional methods of cooling ... -
Stochastic Characteristics in Microgrinding Wheel Static Topography
(The American Society of Mechanical Engineers (ASME), 2014)Superabrasive grind wheels are used for the machining of brittle materials such as tungsten carbide. Stochastic modeling of the wheel topography can allow for statistical bounding of the grind force characteristics allowing ... -
Roll Molding of Microchannel Arrays on Al and Cu Sheet Metals: A Method for High Throughput Manufacturing
(The American Society of Mechanical Engineers (ASME), 2014)The method of roll molding is proposed as an alternative to compression molding for lowcost, highthroughput manufacturing of metalbased microchannel structures. Elemental aluminumand copperbased microchannel arrays with ... -
Experimental Investigation of Tensile Properties of SS316L and Fabrication of Micro/Mesochannel Features by Electrical Assisted Embossing Process
(The American Society of Mechanical Engineers (ASME), 2014)During the electricalassisted forming process, a significant decrease in the flow stress of the metal is beneficial to reduce the required force for the deformation with highdensity electrical current introduced through ... -
Effect of Micro Injection Molding Processing Conditions on the Replication and Consistency of a Dense Network of High Aspect Ratio Microstructures
(The American Society of Mechanical Engineers (ASME), 2014)When molding macroscale polymer parts with a high density of microfeatures (>1 أ— 106/cm2), a concern that presents itself is the ability to achieve uniform replication across the entire domain. In the given study, ... -
Formation of Carbon Nanoscrolls During Wedge Based Mechanical Exfoliation of HOPG
(The American Society of Mechanical Engineers (ASME), 2014)Carbon nanoscrolls (CNS) of various forms are observed when highly ordered pyrolytic graphite (HOPG) is mechanically exfoliated using a wedge. We present two hypothesis of how such scrolls form. The first hypothesis is ... -
System Design and Process Optimization for the Inkjet Printing of PEDOT:Poly(styrenesulfonate)
(The American Society of Mechanical Engineers (ASME), 2014)A laboratoryscale inkjet printing system was designed for printing polymeric inks with the focus on PEDOT:PSS, a transparent, electrically conductive polymer. PEDOT:PSS inks with 0 and 1 wt. % Surfynol were tested ... -
Experimental and Simulation of Friction Effects in an Open Die Microforging/Extrusion Process
(The American Society of Mechanical Engineers (ASME), 2014)Friction effects during a progressive microforming process for production of micropins of various diameters were experimentally investigated and were analytically modeled, using a hybrid friction model. The response surface ... -
Laser Induced Chemical Deposition of Ferrihydrite Nanotubes: Exploring Growth Rate and Crystal Structure
(The American Society of Mechanical Engineers (ASME), 2014)This paper is one of three papers exploring and confirming a novel high rate nanomanufacturing method using laser to induce and accelerate chemical synthesis and deposition of nanotubes. We have shown elsewhere that the ... -
Characterization of Delamination in Laser Microtransfer Printing
(The American Society of Mechanical Engineers (ASME), 2014)Microtransfer printing is rapidly emerging as an effective method for heterogeneous materials integration. Laser microtransfer printing (LMTP) is a noncontact variant of the process that uses laser heating to drive the ... -
Modification of Surface Properties on Cemented Carbide Alloys Through Mirror Quality Finish Grinding
(The American Society of Mechanical Engineers (ASME), 2013)In this study, efficient, highprecision grinding of cemented carbide alloys using a specific grinding wheel was performed, and the ground surface characteristics were investigated in detail. The results showed that final ... -
A Novel Lapping Method for High Precision Balls Based on Variable Radius V Groove
(The American Society of Mechanical Engineers (ASME), 2013)The precision ball is the most key component of ball bearing, which is widely used in many precision mechanical fields. This paper presents a variableradius Vgroove lapping method since this method can make the spin angle ... -
Microscale Drilling of Bulk Metallic Glass
(The American Society of Mechanical Engineers (ASME), 2013)The microscale drilling performance of a Zrbased bulk metallic glass (BMG) is investigated in this paper. Crystallization, drill temperature, axial force, spindle load (SL), acoustic emissions (AE), chip morphology, hole ... -
Parametric Investigation Into the Fabrication of Disk Microelectrodes by Electrochemical Micromachining
(The American Society of Mechanical Engineers (ASME), 2013)In electrochemical micromachining (EMM) of microfeatures using straight cylindrical microtools, sidewalls of the structure tapers as depth increases. Disk microtool electrodes are used to minimize the taper formation during ...