Izidor Straus (Author), Gaia Kravanja (Author), Luka Hribar (Author), Raphael Kriegl (Author), Matija Jezeršek (Author), Mikhail Shamonin (Author), Irena Drevenšek Olenik (Author), Gašper Kokot (Author)

Abstract

It has been recently demonstrated that laser micromachining of magnetoactive elastomers is a very convenient method for fabricating dynamic surface microstructures with magnetically tunable properties, such as wettability and surface reflectivity. In this study, we investigate the impact of the micromachining process on the fabricated material’s structural properties and its chemical composition. By employing scanning electron microscopy, we investigate changes in size distribution and spatial arrangement of carbonyl iron microparticles dispersed in the polydimethylsiloxane (PDMS) matrix as a function of laser irradiation. Based on the images obtained by a low vacuum secondary electron detector, we analyze modifications of the surface topography. The results show that most profound modifications occur during the low-exposure (8 J/cm$^2$) treatment of the surface with the laser beam. Our findings provide important insights for developing theoretical models of functional properties of laser-sculptured microstructures from magnetoactive elastomers.

Keywords

magnetoaktivni elastomeri;lasersko mikrostrukturiranje;vrstična elektronska mikroskopija;magnetoactive elastomers;laser micromachining;scanning electron microscopy;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UL FMF - Faculty of Mathematics and Physics
UDC: 620.3
COBISS: 191305987 Link will open in a new window
ISSN: 1996-1944
Views: 19
Downloads: 2
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Other data

Secondary language: Slovenian
Secondary keywords: magnetoaktivni elastomeri;lasersko mikrostrukturiranje;vrstična elektronska mikroskopija;
Type (COBISS): Article
Pages: 12 str.
Volume: ǂVol. ǂ17
Issue: ǂiss. ǂ7, art. no. 1550
Chronology: Mar. 2024
DOI: 10.3390/ma17071550
ID: 23332640