Journal of Micro and Nano: Recent submissions
Now showing items 341-360 of 372
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Influence of Lapping Residual Stress on Machining Precision of Elastic Deformation Molding Method
(The American Society of Mechanical Engineers (ASME), 2013)Elastic deformation molding method is a newly developed aspheric machining technology which can convert complex aspherical surface machining to simple flat surface machining. The residual stress induced in lapping process ... -
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, ... -
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 ... -
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. ... -
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, ... -
Fabrication of Three Dimensional Functional Microstructures on Curved Substrates Using Three Dimensional Microlens Projection
(The American Society of Mechanical Engineers (ASME), 2013)In this research, an innovative 3D micromachining process for functional microstructures on curved surfaces is introduced. An injection molded 3D polymethylmethacrylate (PMMA) microlens array was used as projection optics. ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...