Abstract
Poly(glycidyl methacrylate) (PGMA)-coated soft magnetic carbonyl iron (CI) particles were fabricated by cross-linking PGMA with ethylene glycol dimethacrylate. The synthesized core-shell structured CI/PGMA microspheres were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, and thermal gravimetric analysis. The CI particles were confirmed to be coated well with PGMA. A magnetorheological (MR) suspension was prepared based on the synthesized CI/PGMA particles dispersed in silicone oil and measured using a rotational rheometer at various magnetic field strengths. The sedimentation property, which was observed using a Turbiscan, indicated better settling stability than the pure CI particle-based MR suspension.
| Original language | English |
|---|---|
| Pages (from-to) | 1345-1352 |
| Number of pages | 8 |
| Journal | Journal of Materials Science |
| Volume | 49 |
| Issue number | 3 |
| DOIs | |
| State | Published - Feb 2014 |
Bibliographical note
Funding Information:Acknowledgements This study was supported partially by a research Grant from the National Research Foundation, Korea (NRF-2011-0006592).
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