The influence of a magnetic field on the elastic and viscous properties ofmagnetoelastics

Citation
Lv. Nikitin et al., The influence of a magnetic field on the elastic and viscous properties ofmagnetoelastics, POLYM SCI A, 43(4), 2001, pp. 443-450
Citations number
14
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
POLYMER SCIENCE SERIES A
ISSN journal
0965545X → ACNP
Volume
43
Issue
4
Year of publication
2001
Pages
443 - 450
Database
ISI
SICI code
0965-545X(200104)43:4<443:TIOAMF>2.0.ZU;2-O
Abstract
The effect of a uniform magnetic field on the viscous and elastic propertie s of new, rubber-elastic, magnetically guided polymeric materials (magnetoe lastics) capable of substantial deformation in an external magnetic field w as studied, it was found that the application of a magnetic field leads to a considerable rise in the Young modulus and in the viscosity coefficient o f these materials. A model is proposed which describes the effect of magnet ic field on the elasticity parameters. Based on the obtained experimental d ata, the influence of an external magnetic field and a magnetoelastic-stret ching force F on the volume fraction of polymer regions contracted by inter action of magnetic particles is considered in terms of the proposed theoret ical model.