نتایج جستجو برای: electro spark deposition

تعداد نتایج: 120967  

Journal: :Nanoscale 2012
Jeong Hoon Byeon Young-Woo Kim

Herein we report the development of anisotropic bimetallic nanoparticles where aerosol gold nanoparticles served as the seeds for the continuous deposition of silver atoms on their surfaces. Initially, aerosol gold nanoparticles were formed by spark discharge and then injected into a silver precursor solution in an impinging device. The gold nanoparticles acted as the seed particles, and cataly...

2009
G. Lacaze

Large Eddy Simulation (LES) is used to compute the spark ignition in a turbulent methane jet flowing into air. Full ignition sequences are calculated for a series of ignition locations using a one-step chemical scheme for methane combustion coupled with the thickened flame model. The spark ignition is modeled in the LES as an energy deposition term added to the energy equation. Flame kernel for...

2017
Ravi Mahajan Bob Sankman

2D Two dimensional 3D Three dimensional BEOL Back end of line BI Burn-In CMP Chemical mechanical polishing D2D Die-to-die D2W Die-to-wafer ECD Electro-chemical deposition ECG Deleted in chapter EMIB Embedded multi-die interconnect bridge FEOL Front end of line IP Intellectual property KGD Known good die KOZ Keep out zone MCM Multi chip module MCP Multi chip package MEOL Middle end of line MPM M...

Journal: :ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2019

2013
Hyungjoo Na Jae Hong Park Jungho Hwang Jongbaeg Kim

Catalytic iron nanoparticles generated by spark discharge were used to site-selectively grow carbon nanotubes (CNTs) and control their density. The generated aerosol nanoparticles were deposited on a cooled substrate by thermophoresis. The shadow mask on top of the cooled substrate enabled patterning of the catalytic nanoparticles and, thereby, patterning of CNTs synthesized by chemical vapor d...

Journal: :Journal of the Japan Institute of Metals and Materials 1970

2004
Adrian J. Hilton Jon G. Hall

Programmable logic devices (PLDs) are now common components of safety-critical systems, and are increasingly used for safetyrelated or safety-critical functionality. Recent safety standards demand similar rigour in PLD specification, design and verification to that in critical software design. Existing PLD development tools and techniques are inadequate for the higher integrity levels. In this ...

The feasibility and parameters optimization of AA5183 aluminum cladding on AISI 1018 steel by electro spark microwelding (ESM) and the corrosion resistance of the clad plate were investigated. The optimum conditions were found as 15 A, 10%, 800 Hz and 2500 rpm for P, D, F and R factors, respectively. Confirmation test under optimum conditions showed that the model can be effectively used to pre...

2004
Sung-Hyeon Baeck Thomas F Jaramillo Alan Kleiman-Shwarsctein Eric W McFarland

Automated systems for electrochemical synthesis and high throughput screening of catalytic materials were developed and used to prepare a library of nanoparticulate gold supported on TiO2. A two-dimensional array (library) of Au was synthesized by pulsed cathodic electrodeposition onto a thermally oxidized titanium dioxide substrate. Variations in particle size across the library were created b...

Journal: :Journal of materials science. Materials in medicine 2012
A English A Azeem D A Gaspar K Keane P Kumar M Keeney N Rooney A Pandit D I Zeugolis

Anisotropic alignment of collagen fibres in musculoskeletal tissues is responsible for the resistance to mechanical loading, whilst in cornea is responsible for transparency. Herein, we evaluated the response of tenocytes, osteoblasts and corneal fibroblasts to the topographies created through electro-spinning and solvent casting. We also evaluated the influence of topography on mechanical prop...

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