Journal of Micro and Nano: Recent submissions
Now showing items 61-80 of 352
-
Compression Molding and Nickel Molds for Directional Gecko-Inspired Adhesives
(The American Society of Mechanical Engineers (ASME), 2021)In the fabrication of directional gecko-inspired adhesives, a new capability made possible by the availability of metal molds is hot compression molding. This molding process allows the use of elastomers with much higher ... -
Comparison of Flowability and Sinterability Among Different Binder Jetting Feedstock Powders: Nanopowder, Micropowder, and Granulated Powder
(The American Society of Mechanical Engineers (ASME), 2021)Feedstock powders used in binder jetting additive manufacturing include nanopowder, micropowder, and granulated powder. Two important characteristics of the feedstock powders are flowability and sinterability. This paper ... -
A Comparison of Characteristics of Periodic Surface Micro/Nano Structures Generated Via Single Laser Beam Direct Writing and Particle Lens Array Parallel Beam Processing
(The American Society of Mechanical Engineers (ASME), 2021)Changing material surface micro/nanostructures using laser beam texturing is a valuable approach in wide applications such as control of cell/bacterial adhesion and proliferation, solar cells and optical metamaterials. ... -
Effects of Solution Viscosity on Poly(l-Lactic Acid) Porous Microtubes Fabricated by Core–Sheath Electrospinning
(The American Society of Mechanical Engineers (ASME), 2021)Core–sheath electrospinning is a rapid microfabrication process for creating multilayer polymer microfibers. This paper presents a process based on core–sheath electrospinning to fabricate poly(L-lactic acid) (PLLA) ... -
Kinematic Design of Functional Nanoscale Mechanisms From Molecular Primitives
(The American Society of Mechanical Engineers (ASME), 2021)Natural nanomechanisms such as capillaries, neurotransmitters, and ion channels play a vital role in the living systems. But the design principles developed by nature through evolution are not well understood and, hence, ... -
Cutting to the Point: Directly Machined Metal Molds for Directional Gecko-Inspired Adhesives
(The American Society of Mechanical Engineers (ASME), 2021)Fabrication techniques for gecko-inspired adhesives generally target mold durability, adhesive performance, and process efficiency and simplicity. With these goals in mind, we present a micromachining process for creating ... -
Dip Coating From Density Mismatching Mixture
(The American Society of Mechanical Engineers (ASME), 2021)Solid transfer technology from mixtures is gaining ever-increasing attention from materials scientists and production engineers due to their high potential in near-net-shaped production of cost-effective engineering ... -
Molecular Dynamic Simulation of Micro-Structured Diamond Tool in Silicon Carbide Cutting
(The American Society of Mechanical Engineers (ASME), 2021)Silicon carbide (SiC) is an important material in many industrial applications. However, due to the hardness and brittleness nature, achieving ultraprecision machining of SiC is still challenging. In recent years, function ... -
An Extensive Review of Nanotubes-Based Mass Sensors
(The American Society of Mechanical Engineers (ASME), 2021)Sensors have tremendous demand in industry because of their properties like sensitiveness, responsiveness, stability, selectiveness, and cost-effectiveness. Therefore, it is a dire need to develop advanced sensing materials ... -
Effects of Antimony Deposition on Field-Emission Current Density of Ge/Si
(The American Society of Mechanical Engineers (ASME), 2021)To estimate the field-emission current density of a Ge/Si heterosystem, 20-nm germanium/silicon (100) samples were grown by molecular beam epitaxy. The surface of one sample was covered with a layer of antimony, which was ... -
Reducing Variability in Chemical Vapor Deposition of Carbon Nanotubes Based on Gas Purification and Sample Support Redesign
(The American Society of Mechanical Engineers (ASME), 2021)The synthesis of vertically aligned carbon nanotubes (CNTs), also referred to as CNT forest, by chemical vapor deposition (CVD) is an intricate process that is sensitive to multiple factors other than control of temperature, ... -
Numerical Study on the Electrohydrodynamic Jet Printing
(The American Society of Mechanical Engineers (ASME), 2021)Electrohydrodynamic (EHD) printing is an alternative method to fabricate high-resolution micro- and nanostructures with high efficiency, low cost, and low pollution. Numerical simulation is an effective approach to ... -
Spectral Imaging and Computer Vision for High-Throughput Defect Detection and Root-Cause Analysis of Silicon Nanopillar Arrays
(The American Society of Mechanical Engineers (ASME), 2021)Far-field spectral imaging, coupled with computer vision methods, is demonstrated as an effective inspection method for detection, classification, and root-cause analysis of manufacturing defects in large area Si nanopillar ... -
A Computational Fluid Dynamics Investigation of Pneumatic Atomization, Aerosol Transport, and Deposition in Aerosol Jet Printing Process
(The American Society of Mechanical Engineers (ASME), 2021)Aerosol jet printing (AJP) is a direct-write additive manufacturing technique, which has emerged as a high-resolution method for the fabrication of a broad spectrum of electronic devices. Despite the advantages and critical ... -
Fabrication of Six Degrees-of-Freedom Hexflex Positioner With Integrated Strain Sensing Using Nonlithographically Based Microfabrication
(The American Society of Mechanical Engineers (ASME), 2021)A process flow is described for the low cost, flexible fabrication of metal micro-electromechanical systems (MEMS) with high performance integrated sensing. The process is capable of producing new designs in ≈1 week at an ... -
A Systems Approach to Estimating the Uncertainty Limits of X-Ray Radiographic Metrology
(The American Society of Mechanical Engineers (ASME), 2021)Micro- and nanomanufacturing capabilities have rapidly expanded over the past decade to include complex three-dimensional (3D) structure fabrication; however, the metrology required to accurately assess these processes via ... -
Review on Recent Advances, Research Trends, and Gas Film in Electrochemical Discharge-Based Micromachining
(The American Society of Mechanical Engineers (ASME), 2021)Electrochemical discharge machining (ECDM) is distinguished as a novel process that involves thermal heating and chemical dissolution for the micromachining of “difficult-to-machine” materials like ceramics and quartz. ... -
PEDOT:PSS Coating Improves Gecko-Inspired Adhesive Performance
(The American Society of Mechanical Engineers (ASME), 2020)We report a surface treatment for an elastomeric dry adhesive that improves adhesion, especially on surfaces with microscopic roughness. The process involves coating wedge-shaped polydimethylsiloxane (PDMS) features of the ... -
Characteristics of Diamond Abrasive Used in Magnetic Abrasive Finishing of Nickel-Based Superalloys
(The American Society of Mechanical Engineers (ASME), 2020)Nickel-based superalloys have a wide range of high-temperature applications such as turbine blades. The complex geometries of these applications and the specific properties of the materials raise difficulties in the surface ... -
Tailoring Surface Hydrophobicity of Commercial Polyimide by Laser-Induced Nanocarbon Texturing
(The American Society of Mechanical Engineers (ASME), 2020)The growth of laser-induced nanocarbons, referred to here as laser-induced nanocarbon (LINC) for short, directly on polymeric surfaces is a promising route toward surface engineering of commercial polymers. This paper aims ...