Temporary shape development in shape memory nanocomposites using magnetic force

Atefeh Golbang, Mehrdad Kokabi

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Direct mechanical force is used to create a temporary shape in shape memory polymers. This can become difficult in situations where the sample is not directly accessible such as interior in the body. In these cases it is not possible to use a direct mechanical force to deform the sample into temporary shape; therefore other alternative routes should be proposed. The magnetic force is a good candidate for inducing remote deformation. The ability of magnetic field to cause deformation in soft matters has already been revealed. To prove the hypothesis of using magnetic force to create temporary shape, magnetic field active shape memory polymeric nanocomposites were manufactured by incorporation of NdFeB ferromagnetic micro particles in a nanocomposite based on crosslinked low density polyethylene loaded with 2 wt.% of organoclay. The results indicate that as the NdFeB content increases, the reversible temporary deformation induced in the samples by the magnetic force increases. The effect of NdFeB concentration on the shape recovery progress and the possibility of heat induction in NdFeB filled samples through the application of an alternating magnetic field were also examined.

LanguageEnglish
Pages1709-1719
Number of pages11
JournalEuropean Polymer Journal
Volume47
Issue number8
DOIs
Publication statusPublished - 1 Aug 2011

Fingerprint

Shape memory effect
Nanocomposites
nanocomposites
Magnetic fields
Organoclay
Low density polyethylenes
Polyethylene
Polymers
magnetic fields
Recovery
polyethylenes
induction
recovery
routes
heat
causes
polymers

Keywords

  • Crosslinked low density polyethylene
  • Magnetic field
  • Magnetic particles
  • Shape memory nanocomposites
  • Temporary shape

Cite this

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Temporary shape development in shape memory nanocomposites using magnetic force. / Golbang, Atefeh; Kokabi, Mehrdad.

In: European Polymer Journal, Vol. 47, No. 8, 01.08.2011, p. 1709-1719.

Research output: Contribution to journalArticle

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