Journal of Micro and Nano: Recent submissions
Now showing items 341-360 of 361
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Joule Heat Welding of Thin Platinum and Tungsten Wires and the Thermoelectric Effects Around Bi Metal Junctions
(The American Society of Mechanical Engineers (ASME), 2013)Fine thermoelectric elements were fabricated on electrode chips by welding together the tips of thin 5 خ¼m diameter Pt and W wires by Joule heat welding. The Pt/W junction was heated by bringing it into contact with a ... -
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 ... -
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 ... -
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 ... -
Centrifugal Casting of Microfluidic Components With PDMS
(The American Society of Mechanical Engineers (ASME), 2013)This work describes the centrifugal casting and fast curing of doublesided, polydimethylsiloxane (PDMS)based components with microfeatures. Centrifugal casting permits simultaneous patterning of multiple sides of a component ... -
Postgrowth Microwave Treatment to Align Carbon Nanotubes
(The American Society of Mechanical Engineers (ASME), 2013)We show that a commercial microwave oven can be used after growth to increase alignment of carbon nanotubes (CNTs) and reduce their resistance as thermal and electrical interface materials. Forests of multiwall CNTs were ... -
Characterization and Micromilling of Flow Induced Aligned Carbon Nanotube Nanocomposites
(The American Society of Mechanical Engineers (ASME), 2013)Carbon nanotube (CNT) based polymeric composites exhibit high strength and thermal conductivity and can be electrically conductive at a low percolation threshold. CNT nanocomposites with polystyrene (PS) thermoplastic ... -
Cutting Force Prediction on Micromilling Magnesium Metal Matrix Composites With Nanoreinforcements
(The American Society of Mechanical Engineers (ASME), 2013)Due to its light weight, high creep, and wear resistance, magnesium metal matrix composites (MgMMCs) with nanosized reinforcements are promising for various industrial applications, especially those with high volume fractions ... -
Nanomanufacturing Methods for the Reduction of Noise in Carbon Nanotube Based Piezoresistive Sensor Systems
(The American Society of Mechanical Engineers (ASME), 2013)Carbon nanotube (CNT)based piezoresistive strain sensors have the potential to outperform traditional siliconbased piezoresistors in MEMS devices due to their high strain sensitivity. However, the resolution of CNTbased ... -
Investigations Into Superhydrophobicity of a Soot Surface Attributed to Nano Asperities
(The American Society of Mechanical Engineers (ASME), 2013)Superhydrophobicity in nature is the result of multiscale (hierarchical) roughness which consists of nanoasperities superimposed on micrometer scale roughness. A lowcost superhydrophobic surface was prepared by depositing ... -
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) ... -
On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
(The American Society of Mechanical Engineers (ASME), 2013)Micropart manipulation is an active research area encompassing a wide array of fields and applications. As the size of the parts to be manipulated by an automated system decreases, the dominant forces are different compared ... -
Direct Sinter Bonding of Metal Injection Molded Parts to Solid Substrate Through Use of Deformable Surface Microfeatures
(The American Society of Mechanical Engineers (ASME), 2013)In the metal injection molding (MIM) process, fine metal powders are mixed with a binder and injected into molds, similar to plastic injection molding. After molding, the binder is removed from the part, and the compact ... -
Effects of Pulse Duration on Laser Micro Polishing
(The American Society of Mechanical Engineers (ASME), 2013)Pulsed laser micro polishing (PLخ¼P) has been shown to be an effective method of polishing micro metallic parts whose surface roughness can approach the feature size. Laser pulse duration in the PLخ¼P process is an important ... -
Data Fusion Strategy for Multiscale Surface Measurements
(The American Society of Mechanical Engineers (ASME), 2013)Interdisciplinary research efforts have started focusing on the development of multiscale models and development of designer multiscale surfaces exhibiting specific properties at different scales for a specific purpose. ... -
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 ... -
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 ... -
Efficient Machining of Microdimples for Friction Reduction
(The American Society of Mechanical Engineers (ASME), 2013)In order to improve the tribological properties of thermomechanically highly stressed surfaces such as cylinder liners, microdimples are produced by flycutting kinematics along the functional surface. The structures are ...