期刊
PLASTICS RUBBER AND COMPOSITES
卷 41, 期 7, 页码 310-317出版社
MANEY PUBLISHING
DOI: 10.1179/1743289812Y.0000000001
关键词
Magnetosensitivity; Natural rubber; Carbon black; Plasticiser; Dynamic shear modulus
资金
- Basque Government through Department of Education, Universities and Research
- Spanish Government's Department of Education
The dynamic shear modulus of magnetosensitive (MS) natural rubber composites is experimentally studied, where influences of carbon black, plasticiser and iron particle concentrations are investigated at various dynamic shear strain amplitudes and external magnetic fields within the lower structure borne frequency range. The iron particles embedded in natural rubber are irregularly shaped and randomly distributed; the plasticisers simplify the iron particle blending process, while carbon black reduces the production costs and improves the mechanical properties. The results show that the relative MS effect on the shear modulus magnitude increases with increased plasticiser and iron particle concentration and decreases with increased carbon black concentration. Furthermore, their relative contributions are quantified. Consequently, the study provides a basis for optimising the composition of MS natural rubber to meet a variety of requirements, including those of vibration isolation, a promising application area for MS materials.
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