Results 61 to 70 of about 450,454 (338)

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

Ionosphere response to the impact of an extraordinary radio wave when located at a frequency close to the heating frequency

Solar-Terrestrial Physics
The paper presents the results of experiments on the impact of powerful high-frequency radio emission from the SURA mid-latitude heating facility (56.1° N, 46.1° E) on Earth's ionosphere.
Bahmetieva Nataliya, Grigoriev Gennadiy, Zhemyakov Ilia, Kalinina Elena, Lisov Aleksander   +4 more
doaj   +1 more source

Bolometric response in graphene based superconducting tunnel junctions

, 2011
We fabricate graphene-TiOx-Al tunnel junctions and characterize their radio frequency response. Below the superconducting critical temperature of Al and when biased within the superconducting gap, the devices show enhanced dynamic resistance which ...
Du, Xu, Kumaravadivel, Piranavan, Nielsen, Bent, Vora, Heli   +3 more
core   +1 more source

On the self-excitation mechanisms of Plasma Series Resonance oscillations in single- and multi-frequency capacitive discharges [PDF]

, 2015
The self-excitation of plasma series resonance (PSR) oscillations is a prominent feature in the current of low pressure capacitive radio frequency (RF) discharges.
Brandt, Steven, Derzsi, Aranka, Donko, Zoltan, Korolov, Ihor, Schuengel, Edmund, Schulze, Julian   +5 more
core   +3 more sources

Adaptable Tile‐Based Pneumatic Origami through Structurally Coupled Localized Actuation

Advanced Engineering Materials, EarlyView.
This article presents tile‐based pneumatic origami structures with rigid tiles and flexible fabric creases, achieving adaptable properties including morphing shape, selective multistability, and tunable stiffness. Independently pressurized folding bladders at each crease enable structurally coupled localized actuation of origami structures.
Tiantian Li, Jonathan Luntz, Diann Brei
wiley   +1 more source

Relationship between skin temperature and blood flow during exposure to radio frequency energy: implications for device development

BMC Biomedical Engineering
Background The ST response to high frequency EM heating may give an indication of rate of BF in underlying tissue. This novel method, which we have termed REFLO (Rapid Electromagnetic Flow) has potential for applications such as detection of PAD.
Georgia E. H. Robles, David A. Nelson
doaj   +1 more source

Recent H majority inverted radio frequency heating scheme experiments in JET-ILW

EPJ Web of Conferences, 2017
Inverted 3He and D ion cyclotron minority heating scenarios were recently tested in JET-ILW. They confirm the good heating efficiency at low concentrations of ∼3%. The 3He minority heating scheme is only modestly affected by the change from a carbon (JET-
Van Eester Dirk, Lerche Ernesto, Kazakov Yevgen, Jacquet Philippe, Baranov Yuri, Bobkov Volodymyr, Crombé Kristel, Czarnecka Agata, Dumont Remi, Dumortier Pierre, Eriksson Jacob, Giacomelli Luca, Giroud Carine, Goniche Marc, Hellesen Carl, Kiptily Vasily, Krawczyk Natalia, Koskela Tuomas, Nave Filomena, Nocente Massimo, Ongena Jef, Santala Marko, Salewski Mirko, Schneider Mireille, Weisen Henri   +24 more
doaj   +1 more source

Ionization by bulk heating of electrons in capacitive radio frequency atmospheric pressure microplasmas

, 2013
Electron heating and ionization dynamics in capacitively coupled radio frequency (RF) atmospheric pressure microplasmas operated in helium are investigated by Particle in Cell simulations and semi-analytical modeling.
, A Derzsi, Babayan S E, Becker K H, D Eremin, Hemke T, J Meichsner, J Schulze, K Dittmann, Knake N, Kong M G, Kurihara M, Niemi K, Niermann B, Phelps A V, Pipa A V, Proshina O V, Reuter S, Reuter S, Schaper L, Schulze J, Schulze J, Schulze J, Schulze J, Schulze J, T Hemke, T Mussenbrock, Turner M M, Waskoenig J, Weltmann K D, Z Donkó   +30 more
core   +1 more source

Electron beam induced radio emission from ultracool dwarfs [PDF]

, 2012
We present the numerical simulations for an electron-beam-driven and loss-cone-driven electron-cyclotron maser (ECM) with different plasma parameters and different magnetic field strengths for a relatively small region and short time-scale in an attempt ...
A. Antonova, A. Golden, A. Kuznetsov, A. L. MacKinnon, Aschwanden, Aschwanden, Begelman, Berger, Berger, Berger, Berger, Berger, Birdsall, Burgasser, Ergun, Fleishman, G. Hallinan, Hallinan, Hallinan, Helling, Hockney, J. G. Doyle, Jaeger, Kuznetsov, Louarn, McLean, Omura, Omura, Osten, Ravi, Rybicki, S. Yu, Whelan   +32 more
core   +2 more sources

An Inkjet‐Printed Platinum‐Based Temperature Sensing Element on Polyimide Substrates

Advanced Engineering Materials, EarlyView.
An inkjet‐printed, meander‐structured, nanoparticle platinum‐based resistive temperature sensors on polyimide substrates are demonstrated as proof‐of‐concept. Optimized sintering at 250°C enables stable conductive structures. The Pt100‐ and Pt1000‐type sensors exhibit linear resistance–temperature characteristics with stable TCR in the 20°C–80°C range,
Shawon Alam, Thomas Kister, Alexander Scholz, Sophie Sauva, Makara Lay, Tobias Kraus, Jasmin Aghassi‐Hagmann   +6 more
wiley   +1 more source