Journal of Micro and Nano: Recent submissions
Now showing items 101-120 of 361
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Characterization of a Custom-Made Digital Light Processing Stereolithographic Printer Based on a Slanted Groove Micromixer Geometry
(The American Society of Mechanical Engineers (ASME), 2020)A custom-made stereolithographic printer using a digital light processing optical (DLP) system based on a digital micromirror device (DMD) was characterized. Several sizes of slanted grooved micromixers (SGM) were produced ... -
Scaling Anomaly in the Mechanical Response in Microscale Reverse Extrusion of Copper
(The American Society of Mechanical Engineers (ASME), 2020)The continuing trend of device miniaturization brings increasing demand for small metal parts and, consequently, significant interest in microscale metal forming technologies. In this work, the influence of grain size on ... -
A Benchmark Artifact to Evaluate the Manufacturing of Microfeatures by Digital Light Processing Stereolithography
(The American Society of Mechanical Engineers (ASME), 2020)Suitable benchmark artifacts are needed for assessing the technological capabilities and limitations of a specific process or for comparing the performances of different processes. Only a few benchmark artifacts have been ... -
Laser Surface Modification of Wire-Electric Discharge Machined Graphene Nanoparticle Reinforced SiC Composites
(The American Society of Mechanical Engineers (ASME), 2020)Electrical discharge machining of conducting ceramics is often associated with high roughness and porosity, which hinders their application. This porosity-laden surface morphology necessitates a postprocessing technique ... -
Multiscale Surface Patterning of Zirconia by Picosecond Pulsed Laser Irradiation
(The American Society of Mechanical Engineers (ASME), 2020)Irradiation of yttria-stabilized zirconia (YSZ) was performed by a picosecond pulsed laser to investigate the possibility for multiscale surface patterning. Nanoscale laser-induced periodic surface structures (LIPSS) were ... -
Electrical Discharge/Electrochemical Hybrid Machining Based on the Same Machine and Tool Electrode
(The American Society of Mechanical Engineers (ASME), 2020)Electrical discharge machining (EDM) causes surface defects such as resolidified layer and microcracks, and a finishing process is usually needed to remove these defects. In this paper, a hybrid process was proposed where ... -
Improvements in Accuracy of Fused Deposition Modeling Via Integration of Low-Cost On-Board Vision Systems
(The American Society of Mechanical Engineers (ASME), 2020)In fused deposition modeling (FDM) process, several uncertainty sources contribute to low accuracy and bad surface finishing. Besides intrinsic uncertainties, other factors, related to the machine structure and actuation, ... -
Study on Laser-Induced Oxidation of Ti6Al4V Alloy Under Two Different Reactive Atmospheres
(The American Society of Mechanical Engineers (ASME), 2020)The oxidation behavior of Ti6Al4V titanium alloy under laser irradiation in atmospheric and oxygen-assisted conditions was studied. A nanosecond-pulsed Yb: glass fiber laser was used. The thickness of oxide layer, ... -
Scanning Micro-Electrochemical Machining Process for V-Shaped Grooves
(The American Society of Mechanical Engineers (ASME), 2020)Microstructures determine flow properties of microfluidic chip. Micromold forming is an effective method to realize mass manufacturing of microfluidic chips. This requires to machine some kind of special microstructure of ... -
Pulsed Laser-Based Hybrid Microscribing of Cu and Al in Salt Solution
(The American Society of Mechanical Engineers (ASME), 2020)The influence of a subnanosecond pulsed laser-based scribing of copper (Cu) and aluminum (Al) in salt solutions (NaCl and KCl) on the formation of microchannels is reported. This technique allows laser scribing along with ... -
In Situ Measurement of Carbon Nanotube Growth Kinetics in a Rapid Thermal Chemical Vapor Deposition Reactor With Multizone Infrared Heating
(The American Society of Mechanical Engineers (ASME), 2020)Understanding and controlling the growth of vertically aligned carbon nanotube (VACNT) forests by chemical vapor deposition (CVD) is essential for unlocking their potential as candidate materials for next generation energy ... -
Improved Inkjet-Printed Pattern Fidelity: Suppressing Bulges by Segmented and Symmetric Drop Placement
(The American Society of Mechanical Engineers (ASME), 2020)Inkjet printing is a promising technique for printed micro-electronics due to low cost, customizability and compatibility with large-area, flexible substrates. However, printed line shapes can suffer from bulges at the ... -
An Innovative Laser Metasurface Fabrication Technique for Highly Flexible Optoelectronic Devices
(The American Society of Mechanical Engineers (ASME), 2020)Flexible optoelectronic devices have attracted considerable attention due to their low weight, portability, and ease of integration with other devices. However, major issues still exist: they are subject to repeated stresses, ... -
An Auto-Regressive Exogenous-Based Temperature Controller for a Hybrid Thermoplastic Microforming of Surgical Blades From Bulk Metallic Glass
(The American Society of Mechanical Engineers (ASME), 2020)Temperature control is critical in manufacturing of the multifacet bulk metallic glass (BMG) knife edge. The temperature control in thermoplastic forming process could make a significant effect on the type of deformation, ... -
Dual Regime Spray Deposition Based Laser Direct Writing of Metal Patterns on Polymer Substrates
(The American Society of Mechanical Engineers (ASME), 2020)In recent years, the metallization of polymers has been intensely studied as it takes advantage of both plastics and metals. Laser direct writing (LDW) is one of the most widely used technologies to obtain metal patterns ... -
Machining Simulation in Focused Ion Beam Sputtering
(The American Society of Mechanical Engineers (ASME), 2020)Focused ion beam (FIB) has been applied to micro/nanometer-scale fabrication to control surface functions with the surface topographies. Although the resolution of the FIB sputtering is in the nanometer-scale range in ... -
Subsurface Pore-Induced Quilting During Machining of Metal Foams
(The American Society of Mechanical Engineers (ASME), 2020)Metal foams made by the melt route naturally have an interface region between the porous and nonporous structures. We investigate here the possible use of monolithic foam structures with such interfaces wherein the porous ... -
Progressive and Compound Forming for Producing Plunger-Typed Microparts by Using Sheet Metal
(The American Society of Mechanical Engineers (ASME), 2020)The plunger part in temporary electronic connectors is traditionally fabricated by micromachining. Progressive forming of microparts by directly using sheet metals is developed and proven to be an efficient microforming ... -
Machining Response and Damage Evolution of Amorphous Carbon Coated Tools in High-Speed Micromilling of Ti–6Al–4V
(The American Society of Mechanical Engineers (ASME), 2020)Micromilling process is widely used to create complex 3D miniature products due to its flexibility and its ability to process difficult-to-cut material like Titanium alloys. High rotational speeds are used to overcome the ... -
Debinding and Presintering of High Aspect Ratio Microbi-Lumen Tubes Produced by Extrusion of 17-4PH Feedstock
(The American Society of Mechanical Engineers (ASME), 2020)Recent developments have showcased that micro-extrusion of feedstock can be used for manufacturing metallic microbi-lumen tubes with very high length-to-diameter aspect ratios, which are not viable by conventional metal ...