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Synthesis and performance of polymer based magnetic composite sensing element

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2015
3081.pdf (515.5Kb)
Authors
El Swie, H.
Radojević, Vesna
Brajović, Ljiljana
Stajić-Trošić, Jasna
Ćosović, Vladan
Grujić, Aleksandar
Aleksić, Radoslav
article (publishedVersion)
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Abstract
The commercial multi-mode optical fiber was coated with magnetic composite material prepared using Nd-Fe-B permanent magnet powder dispersed in poly (ethylene-co-vinyl acetate)-EVA. Characterization of microstructure, thermal stability and mechanical properties of the composite coatings with different Nd-Fe-B powder content were performed using Scanning Electron Microscope (SEM), Differential Scanning Calorimetry (DSC), and standard tensile tester, respectively. Experimental results show that composites with higher content of Nd-Fe-B powder have improved thermal and mechanical properties. Propagation characteristics of the constructed optical fiber magnetic sensing element (OFMSE) in the external magnetic field were investigated in relation to quality and composition of the applied composite coatings. The attenuation of optical signal with applied external magnetic field intensity was monitored and the results suggest that the sample with 50 wt-% of Nd-Fe-B provides the greatest sensit...ivity of the sensor element.

Keywords:
Magnetic composite coating / Nd-Fe-B / Magnetic field sensing element / Optical fiber
Source:
Digest Journal of Nanomaterials and Biostructures, 2015, 10, 4, 1475-1483
Publisher:
  • Inst Materials Physics, Bucharest
Funding / projects:
  • info:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/34011/RS// (RS-34011)
  • info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45019/RS// (RS-45019)
  • info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172037/RS// (RS-172037)

ISSN: 1842-3582

WoS: 000369979800008

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URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3084
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  • Radovi istraživača / Researchers’ publications (TMF)
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Tehnološko-metalurški fakultet

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