Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Stefan Hardon"'
Autor:
Stefan Hardon, Jozef Kudelcik, Anton Baran, Pavel Trnka, Ondrej Michal, Adam Tamus, Tomasz Koltunowicz, Alena Kozakova, Tomas Derer, Jaroslav Hornak
Publikováno v:
IEEE Access, Vol 12, Pp 114227-114241 (2024)
The aim of study is addressing the influence of nanoparticles (NPs) on the dielectric properties of polyurethane. In this research, only investigated the effect of Al2O3, MgO and ZnO NPs for concentrations up to 2 wt.% with the temperature range from
Externí odkaz:
https://doaj.org/article/e8d0819849624c43861465eee34003d4
Publikováno v:
Sensors, Vol 24, Iss 22, p 7269 (2024)
This study describes the development and utilization of a novel setup for measuring the thermal conductivity of polyurethane composites with various nanoparticle contents. Measurements were conducted using both an experimental setup and a professiona
Externí odkaz:
https://doaj.org/article/b17dd5cfc0cc4f71995a38bf96279954
Autor:
Jozef Kudelcik, Stefan Hardon, Peter Hockicko, Maria Kudelcikova, Jaroslav Hornak, Pavel Prosr, Pavel Trnka
Publikováno v:
IEEE Access, Vol 9, Pp 49547-49556 (2021)
This study presents the influence of various types of nanoparticle (NP) fillers incorporated into a polyurethane (PU) (VUKOL 022) matrix and its subsequent changes in complex permittivity. Two types of surface modification of SiO2 fillers were invest
Externí odkaz:
https://doaj.org/article/a00704be1a604422894aab28e131c74c
Publikováno v:
Communications, Vol 19, Iss 3, Pp 51-56 (2017)
The acoustic spectroscopy is used to study properties and changes in structural arrangement in silicone oil based magneto-rheological fluids with carbonyl iron particles upon the effect of an external magnetic field. Attenuation spectra at three temp
Externí odkaz:
https://doaj.org/article/ad79f631785f47ea911b34cd6f9dc9cb
Publikováno v:
Communications, Vol 16, Iss 1, Pp 3-9 (2014)
The set of MOS structures formed on n-type Si substrate with (NAOS)-SiO2/HfO2 gate dielectric layers was prepared and annealed in N2 atmosphere at various temperatures to stabilize the structure and to decrease the interface states density. Two Acous
Externí odkaz:
https://doaj.org/article/d142f83d7ad8407dba485bc09774a96c
Publikováno v:
2022 International Conference on Diagnostics in Electrical Engineering (Diagnostika).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a265a326999b8eaca41655a2496ea33
https://doi.org/10.1109/diagnostika55131.2022.9905104
https://doi.org/10.1109/diagnostika55131.2022.9905104
Autor:
Jozef Kudelcik, Stefan Hardon, Miroslav Gutten, Zoltan Adam Tamus, Pavel Trnka, Tomasz Koltunowicz
In this study, the effect of 0.75 weight percent filler silica (SiO 2 ) with PI or PA nanowires for dielectric properties of epoxy resin EPOXYLITE 3750 LV (ER) was studied. For this purpose, direct unidirectional conductivity measurements and broadba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f0f0de20044af19c0a1c7697edeae87
http://hdl.handle.net/11025/50536
http://hdl.handle.net/11025/50536
Dielectric materials are an essential part of any electrical device. These materials are under constant development to optimize and improve their insulating properties and adjust them for specific applications. The recent trend of nanocomposites open
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d02dc331da9f60ffcc27ed2e91d63cb0
http://hdl.handle.net/11025/50531
http://hdl.handle.net/11025/50531
Publikováno v:
2021 13th International Conference on Measurement.
The utilization of magnetic nanoparticles in the area of medicine is able because of their biocompatibility, non-toxicity, and common use in several medical applications. Biocompatible magnetic fluids are used for diagnostics and therapy in medical a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c801e31f5c486623fd5a15ce41487b0
https://doi.org/10.23919/measurement52780.2021.9446799
https://doi.org/10.23919/measurement52780.2021.9446799
Publikováno v:
APPLIED PHYSICS OF CONDENSED MATTER (APCOM 2021).
Potting compounds are an integral part of a large number of electrical devices, in which play the role of mainly mechanical or photosensitive protection. So-called cold-curing resins are one of the subgroups of potting mixtures. This article focuses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27a068d503cbb645df7dc8d320c18044
https://doi.org/10.1063/5.0067364
https://doi.org/10.1063/5.0067364