Studies on nonhomogeneous deformation in magnetic field sensitive gels

Dénes Szabó, László Barsi, András Büki, M. Zrínyi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Magnetic field sensitive polymer gels, called ferrogels have been prepared. In a ferrogel finely devided colloidal particles having superparamagnetic properties are incorporated into a swollen polymer network. These particles couple the shape of the gel to the nonuniform external magnetic field. Shape distortion occurs instantaneously and disappears when the external field is removed. The driving force of the deformation is the magnetic field gradient which can vary from point to point in the space resulting in nonhomogeneous deformation. Direct observation of nonhomogeneous deformation is reported and a theoretical interpretation based on the coupled magnetic and rubber elastic properties is provided.

Original languageEnglish
Pages (from-to)155-167
Number of pages13
JournalACH - Models in Chemistry
Volume134
Issue number2-3
Publication statusPublished - 1997

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Gels
Magnetic fields
Polymers
Rubber

ASJC Scopus subject areas

  • Chemistry(all)

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Studies on nonhomogeneous deformation in magnetic field sensitive gels. / Szabó, Dénes; Barsi, László; Büki, András; Zrínyi, M.

In: ACH - Models in Chemistry, Vol. 134, No. 2-3, 1997, p. 155-167.

Research output: Contribution to journalArticle

Szabó, D, Barsi, L, Büki, A & Zrínyi, M 1997, 'Studies on nonhomogeneous deformation in magnetic field sensitive gels', ACH - Models in Chemistry, vol. 134, no. 2-3, pp. 155-167.
Szabó, Dénes ; Barsi, László ; Büki, András ; Zrínyi, M. / Studies on nonhomogeneous deformation in magnetic field sensitive gels. In: ACH - Models in Chemistry. 1997 ; Vol. 134, No. 2-3. pp. 155-167.
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