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Core‐shell Structured Polypyrrole‐coated Magnetic Carbonyl Iron Microparticles and their Magnetorheology
| Content Provider | Semantic Scholar |
|---|---|
| Author | Sedlacik, Michal Pavlínek, Vladimír Sáha, Petr Svrcinova, Petra Filip, Petr |
| Copyright Year | 2011 |
| Abstract | The substantial sedimentation problem of magnetorheological (MR) suspensions, due to the large density mismatch between dispersed particles and carrier medium, is a significant obstacle for their broader applications. The present paper reports the MR properties and enhanced sedimentation stability of novel core‐shell structured particles with carbonyl iron as a core and polypyrrole as a shell layer dispersed in silicone oil. The coating morphology was analyzed via scanning electron microscopy and magnetic properties via vibrating sample magnetometry. The steady shear flow and small‐amplitude dynamic oscillatory shear measurements were carried out to show improved MR performance. The sedimentation test showed positive role of polymeric coating, as well. |
| Starting Page | 284 |
| Ending Page | 291 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| Volume Number | 1375 |
| Alternate Webpage(s) | http://publikace.k.utb.cz/bitstream/handle/10563/1002822/Fulltext_1002822.pdf;jsessionid=608E07F897DAE1AD68808E4CC7BCF106?sequence=1 |
| Alternate Webpage(s) | https://doi.org/10.1063/1.3604489 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
