Results 41 to 50 of about 1,638,771 (254)

Cellular automata modeling on uniform corrosion behavior of solid copper in gallium-based liquid metals

Corrosion Communications
A two-dimensional cellular automata model is developed to investigate the uniform corrosion of copper substrate covered by gallium-based liquid metals.
Yujie Ding, Yuntao Cui, Wei Rao, Jing Liu   +3 more
doaj   +1 more source

Design of a 100 kHz wide bandgap inverter for motor applications with active damped sine wave filter

The Journal of Engineering, 2019
In this study, a three-phase motor inverter with sinusoidal output voltages based on the application of gallium nitride transistors and advanced control is analysed.
Franz Maislinger, Hans Ertl, Goran Stojcic, Christoph Lagler, Florian Holzner   +4 more
doaj   +1 more source

Low‐Temperature Imidization of Polyimides (PI) for Scalable Manufacturing of Flexible Wearable Electronics

Advanced Engineering Materials, EarlyView.
Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley   +1 more source

N‐polar deep‐recess GaN MISHEMT with enhanced ft·LG by gate dielectric thinning

Electronics Letters
The authors report a novel structure to improve the high‐frequency performance of nitrogen‐polar GaN deep‐recess high electron mobility transistors (HEMTs) wherein a timed plasma etch was used to tailor the profile of the gate dielectric.
Henry Collins, Emre Akso, Christopher J. Clymore, Kamruzzaman Khan, Robert Hamwey, Nirupam Hatui, Matthew Guidry, Stacia Keller, Umesh K. Mishra   +8 more
doaj   +1 more source

Evaluation of an un-regulated input isolated DC–DC converter using WBG devices

The Journal of Engineering, 2019
The paper presents the design and analysis of an un-regulated isolated DC–DC converter using wide band gap (WBG) devices for low-voltage, high current applications.
Rakesh Ramachandran, Morten Nymand
doaj   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source

Production of fiber-optic materials and semiconductor compounds in Ukraine

Технологія та конструювання в електронній апаратурі, 2002
A comparative analysis of the current state of production technology and the consumption market of quartz glass-based fiber-optic materials (silicon tetrachloride, germanium tetrachloride, metallurgical-grade silicon) and semiconductor compounds (gallium
Yu. V. Trubitsyn, D. I. Levynzon
doaj  

Workflow for Design of Experiments‐Based Modeling of Species Transport and Growth Kinetics in GaN Hydride Vapor Phase Epitaxy

Advanced Engineering Materials, EarlyView.
A novel workflow for investigating hydride vapor phase epitaxy for GaN bulk crystal growth is proposed. It combines Design of experiments (DoE) with physical simulations of mass transport and crystal growth kinetics, serving as an intermediate step between DoE and experiments.
J. Tomkovič, G. Lukin, H. Torkashvand, A. Kerschbaum, M. Müller, S. Besendörfer, J. Heitmann, J. Friedrich   +7 more
wiley   +1 more source

A Review on the Recovery and Separation of Gallium and Indium from Waste

Resources
Gallium and indium are crucial metals in various industries, such as the medical and telecommunication industries. They can find applications as pure metals, alloys and alloy admixtures, oxides, organometallic compounds, and compounds with elements such ...
Joanna Kluczka
doaj   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

Advanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran, Vincent Nebel, Dominik Perius, Kshitij Kumar, Yannis Heim, Laura Bies, Tobias Kraus   +6 more
wiley   +1 more source