Results 121 to 130 of about 232,131 (335)

Pulse ignition characterization of mercury ion thruster hollow cathode using an improved pulse ignitor [PDF]

An investigation of the high voltage pulse ignition characteristics of the 8 cm mercury ion thruster neutralizer cathode identified a low rate of voltage rise and long pulse duration as desirable factors for reliable cathode starting.
Gruber, R. P., Wintucky, E. G.
core   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

Advanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat, Mojtaba Karamimoghadam, Mohammadreza Lalegani Dezaki, Ali Zolfagharian, Giuseppe Casalino, Antonio Mateo, Mahdi Bodaghi   +6 more
wiley   +1 more source

3 kV monolithic bidirectional GaN HEMT on sapphire

Applied Physics Express
3 kV breakdown voltage was demonstrated in monolithic bidirectional Gallium Nitride (GaN) High Electron Mobility Transistors (HEMTs) having potential applications in 1200 V or 1700 V class power converters. The on-resistance of the fabricated transistors
Md Tahmidul Alam, Swarnav Mukhopadhyay, Md Mobinul Haque, Shubhra S. Pasayat, Chirag Gupta   +4 more
doaj   +1 more source

Dynamic Precipitation during High‐Pressure Torsion of a Magnesium–Manganese Alloy

Advanced Engineering Materials, EarlyView.
An ultrafine‐grained alloy is produced by high‐pressure torsion of solutionized Mg–1.35 wt% Mn. Precipitation of nanometer‐scale Mn particles during deformation provides pinning sites. This prevents the formation of a bimodal grain structure and results in a finer grain size than for pure Mg.
Julian M. Rosalie, Anton Hohenwarter
wiley   +1 more source

Construction and electrical properties of 700 V aluminium polymer electrolytic capacitors

Power Electronic Devices and Components
A process for the construction of a high voltage aluminium polymer electrolytic capacitor with operation voltages of up to 700 V is presented in this paper.
Tim Kruse, Luciana Tavares, Ulrich Schürmann, Lorenz Kienle, Thomas Ebel   +4 more
doaj   +1 more source

High voltage breakdown initiated by particle impact [PDF]

High voltage breakdown initiated by particle impact across electrode ...
Friichtenicht, J. F., Hansen, D. O., Slattery, J. C.   +2 more
core   +1 more source

A Model for the Voltage Steps in the Breakdown of the Integer Quantum Hall Effect

, 2003
In samples used to maintain the US resistance standard the breakdown of the dissipationless integer quantum Hall effect occurs as a series of dissipative voltage steps.
A. M. Martin, B. S. Massey, C. F. Lavine, F. W. Sheard, F. J. Ahlers, G. Ebert, I. V. Lerner, K. A. Benedict, L. Bliek, L. Eaves, L. Eaves, L. Eaves, L. Eaves, L. Eaves, P. Streda, S. Komiyama, S. C. Zhang, V. G. Mokerov, V. L. Pokrovsky   +18 more
core   +1 more source

Understanding the Effect of Resistance Temperature Detector Temperature Controllers on Microstructural Alignment in Magnetic Freeze Casting

Advanced Engineering Materials, EarlyView.
The effect of temperature controllers that are commonly used in freeze‐casting is investigated in this work. Temperature controllers are observed to generate a voltage in the slurry. Microstructural alignment and ultimate compressive strength data show this voltage to interfere with the ability to align the microstructure using magnetic fields ...
Maddie A. Schmitz, Steven E. Naleway
wiley   +1 more source

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

Advanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar, David Osman Busse, Maximilian Sprengel, Domenico Furfari, Marc‐André Nielsen, Guilherme Abreu Faria, Jérémy Epp   +6 more
wiley   +1 more source

GaN/Si Heterojunction VDMOS with High Breakdown Voltage and Low Specific On-Resistance. [PDF]

Micromachines (Basel), 2023
Yang X, Duan B, Yang Y.
europepmc   +1 more source