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| rdf:type
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| Description
| - Magnetorheological (MR) suspensions are generally two-phase systems consisting of magnetic particles and silicone oil. Upon application of an external magnetic field particles become magnetized and form chain-like internal structures, resulting in the change of the rheological behaviour of whole suspension. Viscosity can increase in several orders of magnitude and then return to its original value when magnetic field is replaced. Thus, the viscosity of such suspensions can be controlled using various magnetic field strengths. Reversible change of viscosity can find application in damping systems or torque transducers. This study is aimed on the prepraration of the novel magnetic particles assembled from carbonyl iron (CI) core and ZnO rod-like shell. The hybrid CI/ZnO microparticles were prepared via two-step synthesis. Firstly, the CI particles were seeded with ZnO crystal nuclei and further with the help of hydrothermal synthesis the rod-like structures were formed. Prepared particles were characterized using SEM technique as well as XRD analysis. Further, the magnetic properties of both bare CI particles and CI/ZnO rod-like ones were investigated using vibration magnetization saturation method. The rheological properties of the suspension consiting of bare CI and CI/ZnO rod-like were elucidated in the absence as well as in the presence of the applied external magnetic fiedl strength. The presented core-shell material based suspension exhibited similar MR efficiency in comparison to the supesnsion based on bare CI particles. On the other hand, the thermal stabiliy of the particles was considerably enhanced. Thus, the main aim of this contribution will be focused on the magnetorheological behaviour of novel CI/ZnO rod-like particles, at broad temperature range.
- Magnetorheological (MR) suspensions are generally two-phase systems consisting of magnetic particles and silicone oil. Upon application of an external magnetic field particles become magnetized and form chain-like internal structures, resulting in the change of the rheological behaviour of whole suspension. Viscosity can increase in several orders of magnitude and then return to its original value when magnetic field is replaced. Thus, the viscosity of such suspensions can be controlled using various magnetic field strengths. Reversible change of viscosity can find application in damping systems or torque transducers. This study is aimed on the prepraration of the novel magnetic particles assembled from carbonyl iron (CI) core and ZnO rod-like shell. The hybrid CI/ZnO microparticles were prepared via two-step synthesis. Firstly, the CI particles were seeded with ZnO crystal nuclei and further with the help of hydrothermal synthesis the rod-like structures were formed. Prepared particles were characterized using SEM technique as well as XRD analysis. Further, the magnetic properties of both bare CI particles and CI/ZnO rod-like ones were investigated using vibration magnetization saturation method. The rheological properties of the suspension consiting of bare CI and CI/ZnO rod-like were elucidated in the absence as well as in the presence of the applied external magnetic fiedl strength. The presented core-shell material based suspension exhibited similar MR efficiency in comparison to the supesnsion based on bare CI particles. On the other hand, the thermal stabiliy of the particles was considerably enhanced. Thus, the main aim of this contribution will be focused on the magnetorheological behaviour of novel CI/ZnO rod-like particles, at broad temperature range. (en)
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| Title
| - Magnetorheology of the carbonyl iron/ZnO rod-like microparticle suspensions
- Magnetorheology of the carbonyl iron/ZnO rod-like microparticle suspensions (en)
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| skos:prefLabel
| - Magnetorheology of the carbonyl iron/ZnO rod-like microparticle suspensions
- Magnetorheology of the carbonyl iron/ZnO rod-like microparticle suspensions (en)
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| skos:notation
| - RIV/70883521:28610/13:43870101!RIV14-GA0-28610___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(ED2.1.00/03.0111), P(GA202/09/1626)
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/70883521:28610/13:43870101
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| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - Magnetorheology, carbonyl iron, ZnO rod-like particles, magnetic properties, suspensions, rheological properties. (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
| |
| http://linked.open...iv/tvurceVysledku
| - Kuřitka, Ivo
- Machovský, Michal
- Mrlík, Miroslav
- Pavlínek, Vladimír
|
| http://localhost/t...ganizacniJednotka
| |
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