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Tunable surface roughness and wettability of a soft magnetoactive elastomer
ID Glavan, Gašper (Avtor), ID Salamon, Peter (Avtor), ID Belyaeva, Inna A. (Avtor), ID Shamonin, Mikhail (Avtor), ID Drevenšek Olenik, Irena (Avtor)

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Izvleček
Surface topographical modifications of a soft magnetoactive elastomer (MAE) in response to variable applied magnetic field are investigated. The analysis is performed in situ and is based on optical microscopy, spread optical reflection and optical profilometry measurements. Optical profilometry analysis shows that the responsivity of magnetic field‐induced surface roughness with respect to external magnetic field is in the range of 1 µm/T. A significant hysteresis of surface modifications takes place for increasing and decreasing fields. Investigations of shape of sessile water droplets deposited on the MAE surface reveal that field‐induced topographical modifications affect the contact angle of water at the surface. This effect is reversible and the responsivity to magnetic field is in the range of 20°/T. Despite the increased surface roughness, the apparent contact angle decreases with increasing field, which is attributed to the field‐induced protrusion of hydrophilic microparticles from the surface layer.

Jezik:Angleški jezik
Ključne besede:materials, polymers, magnetoactive elastomers, magnetic properties, optical properties
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FMF - Fakulteta za matematiko in fiziko
Leto izida:2018
Št. strani:8 str.
Številčenje:Vol. 135, art. no. 46221
PID:20.500.12556/RUL-101641 Povezava se odpre v novem oknu
UDK:537.6:620.3
ISSN pri članku:0021-8995
DOI:10.1002/app.46221 Povezava se odpre v novem oknu
COBISS.SI-ID:3165284 Povezava se odpre v novem oknu
Datum objave v RUL:22.06.2018
Število ogledov:1216
Število prenosov:674
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Gradivo je del revije

Naslov:Journal of applied polymer science
Skrajšan naslov:J. appl. polym. sci.
Založnik:Wiley.
ISSN:0021-8995
COBISS.SI-ID:4730890 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:materiali, polimeri, magnetoaktivni elastomeri, magnetne lastnosti, optične lastnosti

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