Results 61 to 70 of about 174,372 (312)

Powder Optimization Strategies for Binder Jetting Printing of BaTiO3 and Ba0,6Sr0,4TiO3 Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Powder optimization is investigated to enable binder jetting of BaTiO3 and Ba0.6Sr0.4TiO3 ferroelectric ceramics. The antagonistic relationship between flowability and binder compatibility is addressed through binder impregnation of granulated powders and fumed silica addition to fine powders.
Fanny Pruvost   +4 more
wiley   +1 more source

DESIGN OF MICROWAVE WAVEGUIDE SENSOR WITH ARTIFICIAL STRUCTURE FOR DIELECTRIC PROPERTIES OF MATERIAL INVESTIGATION [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2017
In the paper we describe a new approach to the dielectric properties of dielectric material investigation with implementation of artificial metamaterial structure over the aperture of waveguide sensor in order to increase the sensing properties of ...
Dagmar FAKTOROVA   +3 more
doaj  

Dielectric properties of edible fungi powder related to radio-frequency and microwave drying

open access: yesFood Production, Processing and Nutrition, 2021
Edible fungi are rich in nutrition, but they are susceptible to spoilage, and often prolonged by drying. RF and microwave energy drying have the advantages of short drying time, high energy efficiency and good process control.
Siying Qi   +13 more
doaj   +1 more source

Measuring dielectric properties at the nanoscale using Electrostatic Force Microscopy [PDF]

open access: yes, 2010
Several electrostatic force microscopy (EFM) - based methods have been recently developed to study the nanoscale dielectric properties of thin insulating layers.
Riedel, C.   +13 more
core  

Grain Growth-Controlled Giant Permittivity in Soft Chemistry CaCu3Ti4O12 Ceramics [PDF]

open access: yes, 2007
We report a dielectric constant of up to 5.4105 at room temperature and 1 kHz for CaCu3Ti4O12 (CCTO) ceramics, derived from multiphase powders (coprecipitation products), made by a ‘‘chimie douce’’ (coprecipitation) method, and then sintered in air.
Durand, Bernard   +5 more
core   +1 more source

Nonthermal Plasma Reduction of Nickel Oxide Layers by Atmospheric Pressure Dielectric Barrier Discharge in Argon/Hydrogen

open access: yesAdvanced Engineering Materials, EarlyView.
This work explores the reduction of nickel oxide layers using dielectric barrier discharge plasma in an argon–hydrogen atmosphere. The results reveal a strong temperature dependence, enabling complete reduction of thick oxide layers at 200°C within seconds.
Maria Argirusi   +5 more
wiley   +1 more source

Parameter estimation in equivalent circuit analysis of dielectric cure monitoring signals using genetic algorithms. [PDF]

open access: yes, 2005
This communication concerns the treatment of dielectric data obtained from experiments following the chemical hardening process (cure) in thermosetting resins.
Kazilas, Michalis C.   +2 more
core   +1 more source

Investigation of Oxygen‐Free Wetting Behavior of Aluminum on Copper via Molecular Dynamics Simulations and Experiments

open access: yesAdvanced Engineering Materials, EarlyView.
The wettability of aluminum droplets (Al) on different copper substrates (Cu), where liquid Al spreads on solid Cu surfaces to form a liquid–solid interface, is studied numerically and experimentally. The experimental and numerical results show good agreement in the fast‐spreading regime.
Shan Lyu   +8 more
wiley   +1 more source

Chemical composition tuning induced variable and enhanced dielectric properties of polycrystalline Ga2‐2xWxO3 ceramics

open access: yesEngineering Reports, 2021
We report on the tunable and enhanced dielectric properties of tungsten (W) incorporated gallium oxide (Ga2O3) polycrystalline electroceramics for energy and power electronic device applications. The W‐incorporated Ga2O3 (Ga2−2xWxO3, 0.00 ≤ x ≤ 0.20; GWO)
Vishal B. Zade   +3 more
doaj   +1 more source

Vogel-Fulcher analysis of relaxor dielectrics with the tetragonal tungsten bronze structure : Ba6MNb9O30 (M = Ga, Sc, In)

open access: yes, 2015
In-depth analysis of the relaxor behaviour of Ba6MNb9O30 (M= Ga, Sc, In) tetragonal tungsten bronze (TTB) ceramics was carried out. Powder x-ray diffraction and scanning electron microscopy were performed in order to confirm the formation of desired ...
Morrison, Finlay D., Rotaru, Andrei
core   +1 more source

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