Polymer - Bonded Magnetic Materials with Various Nd-Fe-B Filler Content

• Authors: A. Grujić , N. Lazić , N. Talijan , V. Spasojević , J. Stajić-Trošić , V. Ćosović , R. Aleksić
• Languages of publication: EN

Abstracts

EN

One of the more important developments in magnetic materials, polymer bonded magnets, have opened a new world of application opportunities. The Nd-Fe-B/polymer composite materials offer an excellent combination of strong magnetic and dynamical-mechanical properties. However, the transition temperatures of filler and matrix should be selected carefully considering the future application. Uniform particle distribution and good adhesion between Nd-Fe-B powder particles and polymer are essential for the quality of the composite, while stiffness of polymer matrix is one of the influencing factors as well. The damping properties of Nd-Fe-B/polymer composites with 15 wt.%, 50 wt.% and 75 wt.% of Nd-Fe-B powder were studied by dynamic mechanical analysis and compared with a pure polymer sample. Thermal stability was analyzed using a simultaneous differential scanning calorimetric and thermogravimetric analysis technique.

Keywords

EN

75.50.Ww; 81.05.Qk; 83.85.Vb; 46.35.+z; 81.70.Pg; 91.60.Pn; 68.37.Hk

Discipline

• 91.60.Pn: Magnetic and electrical properties(see also 91.25.F- Rock and mineral magnetism)
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)
• 81.05.Qk: Reinforced polymers and polymer-based composites
• 83.85.Vb: Small amplitude oscillatory shear (dynamic mechanical analysis)
• 46.35.+z: Viscoelasticity, plasticity, viscoplasticity(see also 83.60.Bc, Df, in rheology; 91.60.Dc Plasticity, diffusion, and creep in physical properties of rocks and minerals)
• 75.50.Ww: Permanent magnets(for magnets, see 07.55.Db in instruments)
• 81.70.Pg: Thermal analysis, differential thermal analysis (DTA), differential thermogravimetric analysis

• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 117
• Issue: 5
• Pages: 859-863

Dates

published

2010-05

Contributors

author

A. Grujić

• Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, Belgrade, Serbia

author

N. Lazić

• Institute of General and Physical Chemistry, Studentski trg 12, Belgrade, Serbia

author

N. Talijan

• Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, Belgrade, Serbia

author

V. Spasojević

• Institute of Nuclear Sciences "Vinča", Po Box 522, Belgrade, Serbia

author

J. Stajić-Trošić

• Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, Belgrade, Serbia

author

V. Ćosović

• Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, Belgrade, Serbia

author

R. Aleksić

• Faculty of Technology and Metallurgy, Karnegijeva 4, Belgrade, Serbia

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Identifiers

DOI

10.12693/APhysPolA.117.859