Results 71 to 80 of about 174,854 (266)

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

Electrified Damage in Motion Systems

open access: yesAdvanced Engineering Materials, EarlyView.
The electrified damage in motion systems is a fundamental framework presenting the degradation pathway arising from the coupling of electrical energy transport with mechanical contact and interfacial chemistry. The framework positions electrified damage as a distinct degradation regime with unique characteristic surface morphologies and failures of ...
M. Humaun Kabir   +2 more
wiley   +1 more source

Extrusion‐Based Additive Manufacturing of Advanced Ceramics: Strengthening Mechanisms and Process Optimization Review

open access: yesAdvanced Engineering Materials, EarlyView.
This review comprehensively evaluates extrusion‐based additive manufacturing for advanced ceramics, detailing feedstock options and key process parameters. By critically addressing defect mechanisms like porosity and cracking, the work highlights optimization strategies through machine learning and advanced postprocessing.
Meisam Bakhtiari   +4 more
wiley   +1 more source

Resonant cavity method for broadband dielectric measurements [PDF]

open access: yes, 1987
The project investigates the Cavity Perturbation Method (CRM) and design of a coaxial resonator covering a wide frequency band from 2.5 to 11.5 GHz. Using the published analyses for coaxial cavities, original theoretical analysis of Cavity Perturbation ...
Muhammad-Ahmad, Makki El-Tayyid
core  

Influence of low amounts of nanostructured silica and calcium carbonate fillers on the large-area dielectric breakdown performance of bi-axially oriented polypropylene [PDF]

open access: yes, 2014
Influence of low amounts (1.0-2.0wt-%) of nanostructured silica and calcium carbonate fillers on the large area dielectric breakdown performance of bi-axially oriented polypropylene (BOPP) is analyzed.
S. Virtanen   +13 more
core   +1 more source

Preparation and Characterization of Pure Organic Dielectric Composites for Capacitors

open access: yesMATEC Web of Conferences, 2018
This work reports the excellent dielectric composites were prepared from polyimide (PI) and poly(vinylidene fluoride) (PVDF) via solution blending and thermal imidization or chemical imidization.
Mao Xin   +6 more
doaj   +1 more source

Constructive coupling between BiFeO3 and CoFe2O4; promising magnetic and dielectric properties

open access: yesJournal of Materials Research and Technology, 2020
Multiferroic perovskite/spinel hybrid nanocomposites from lanthanum (La) and chromium (Cr) co-doped bismuth ferrite (BiFeO3); (Bi0.8La0.2Fe0.92Cr0.08O3) (BLFCO) as a multiferroic single phase matrix and a renowned hard ferrite spinel nanocrystalline of ...
S.F. Mansour   +3 more
doaj   +1 more source

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

High‐Resolution Corrosion Fingerprinting of Alloy Libraries via Microdroplet Spectroelectrochemistry

open access: yesAdvanced Engineering Materials, EarlyView.
Ionic‐liquid microdroplet spectroelectrochemistry enables stable, localized electrochemical measurements over extended timescales. By coupling impedance spectroscopy, wetting analysis, finite‐element simulations, and operando Raman spectroscopy, it disentangles geometrical and electrochemical effects, opening new opportunities for rapid corrosion ...
Ekaterina Kurchavova   +3 more
wiley   +1 more source

Heterogeneous Breast Phantom Development for Microwave Imaging Using Regression Models

open access: yesInternational Journal of Biomedical Imaging, 2012
As new algorithms for microwave imaging emerge, it is important to have standard accurate benchmarking tests. Currently, most researchers use homogeneous phantoms for testing new algorithms.
Camerin Hahn, Sima Noghanian
doaj   +1 more source

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