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- Title
Core–shell-structured cross-linked poly(glycidyl methacrylate)-coated carbonyl iron microspheres and their magnetorheology.
- Authors
Kim, So Young; Kwon, Seung Hyuk; Liu, Ying Dan; Lee, Jeong-Seop; You, Chun-Yeol; Choi, Hyoung Jin
- 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.
- Subjects
MAGNETORHEOLOGY; GLYCIDYL methacrylate; MICROSPHERES; SCANNING electron microscopy; FOURIER transform infrared spectroscopy; THERMOGRAVIMETRY; MAGNETIC flux density
- Publication
Journal of Materials Science, 2014, Vol 49, Issue 3, p1345
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-013-7818-3