Browsing Journal of Micro and Nano by Issue Date
Now showing items 1-20 of 352
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Integrating Computer Aided Design and Nano Indentation for Complex Lithograph
(The American Society of Mechanical Engineers (ASME), 2013)We present an approach for producing complex nanoscale patterns by integrating computeraided design (CAD) geometry processing with an atomic force microscope (AFM) based nanoindentation process. Surface modification is ... -
Transient Analysis of Laser Ablation Process With Plasma Shielding: One Dimensional Model Using Finite Volume Method
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a comprehensive transient model of various phenomena that occur during laser ablation of TiC target at subnanosecond timesteps. The model is a 1D numerical simulation using finite volume method (FVM) ... -
Microwedge Machining for the Manufacture of Directional Dry Adhesives
(The American Society of Mechanical Engineers (ASME), 2013)Directional dry adhesives are inspired by animals such as geckos and are a particularly useful technology for climbing applications. Previously, they have generally been manufactured using photolithographic processes. This ... -
An Experimental Investigation on the Fabrication of Micro/Meso Surface Features by Metallic Roll to Plate Imprinting Process
(The American Society of Mechanical Engineers (ASME), 2013)Metallic components with largearea functional surface micro/mesostructures have been increasingly utilized in various industrial fields, such as friction/wear reduction, viscous drag reduction, and energy efficiency ... -
Experimental Study of Failure Modes and Scaling Effects in Micro Incremental Forming
(The American Society of Mechanical Engineers (ASME), 2013)Incremental forming (IF) is a relatively new technique that uses a simple hemispherical ended tool moving along a predefined threedimensional toolpath to deform a sheet of metal into the desired shape. The greater process ... -
Crystallographic Effects on Microscale Machining of Polycrystalline Brittle Materials
(The American Society of Mechanical Engineers (ASME), 2013)This paper studies the effects of crystallography on the microscale machining characteristics of polycrystalline brittle materials on a quantitative basis. It is believed that during micromachining of brittle materials, ... -
Process Parameter Effects on Dimensional Accuracy of Micro Injection Moulded Part
(The American Society of Mechanical Engineers (ASME), 2013)Microinjection moulding is becoming increasingly important among the available processes for production of microelectromechanical systems (MEMS) and microsystem technologies (MSTs), and higher number of polymer products ... -
Manufacturing of 316L Stainless Steel Die Mold by Hot Embossing Process for Microfluidic Applications
(The American Society of Mechanical Engineers (ASME), 2013)Hot embossing process has emerged as a viable method for producing small, complex, precision parts in low volumes. It provides several advantages such as lowcost for molds, high replication accuracy for microfeatures and ... -
Excimer Laser Micromachining Using Binary Mask Projection for Large Area Patterning With Single Micrometer Features
(The American Society of Mechanical Engineers (ASME), 2013)Excimer laser micromachining using binary mask projection has been investigated for rapid patterning of single micrometer features over large areas of various substrates. Simple limit for depth of focus that determines the ... -
Optimization of Planetary Movement Parameters for Microhole Drilling by Micro Electrical Discharge Machining
(The American Society of Mechanical Engineers (ASME), 2013)Microholes are widely used in industrial products, such as engine nozzles and filters for biomedical industry. Electrical discharge machining (EDM) is one of processes to drill microholes in alloy with high aspect ratio. ... -
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 ... -
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 ... -
Fabrication Technology of Low Adhesive Superhydrophobic and Superamphiphobic Surfaces Based on Electrochemical Machining Method
(The American Society of Mechanical Engineers (ASME), 2013)Lowadhesive superhydrophobic and superamphiphobic (both superhydrophobic and superoleophobic) surfaces with a liquid contact angle larger than 150 deg and rolling angle less than 10 deg have attracted great interest for ... -
Simulation and Experimental Study of the Effects of Process Factors on the Uniformity of the Residual Layer Thickness in Hot Embossing
(The American Society of Mechanical Engineers (ASME), 2013)Hot embossing replica are characterized by the quality of the molded structures and the uniformity of the residual layer. In particular, the even distribution of the residual layer thickness (RLT) is an important issue in ... -
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 ... -
Characterization of “Bulk Lithography†Process for Fabrication of Three Dimensional Microstructures
(The American Society of Mechanical Engineers (ASME), 2013)Various ways of fabricating a threedimensional (3D) component in a singlelayer exposure using spatial variation of exposure dose have been presented in the literature. While some of them are based on dynamic mask process, ... -
Analysis and Design of Wire Transport System in Microwire Electronic Discharge Machining
(The American Society of Mechanical Engineers (ASME), 2013)A dynamic model for analyzing the wire transport system of micro wEDM (wire electronic discharge machining) is proposed. Based on the model, two mechanisms are proposed to stabilize the wire tension. The first mechanism ... -
Quantification of Thermal Resistance of Transient Liquid Phase Bonded Cu/Al/Cu Interfaces for Assembly of Cu Based Microchannel Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2013)Transient liquid phase (TLP) bonding of Cu structures with a thin elemental Al intermediate bonding layer is being used to assemble Cubased, enclosed, microchannel heat exchangers (MHEs). The heterogeneous Cu/Al/Cu TLP ... -
Stochastic Modeling of Microgrinding Wheel Topography
(The American Society of Mechanical Engineers (ASME), 2013)Superabrasive microgrinding wheels are used for jig grinding of microstructures using various grinding approaches. The desire for increased final geometric accuracy in microgrinding leads to the need for improved process ... -
Effect of Process Parameters on Burrs Produced in Micromilling of a Thin Nitinol Foil
(The American Society of Mechanical Engineers (ASME), 2013)This paper examines the formation of burrs in micromilling of a thin nickel–titanium alloy (nitinol) foil used in implantable biomedical device applications. The paper analyzes the effects of key micromilling process ...