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| Titel: |
MECHANICAL AND DIELECTRIC PROPERTIES OF STYRENE-BUTADIENE RUBBER POLYESTER SHORT-FIBER COMPOSITES: PART II. COMPOSITES LOADED WITH HIGH ABRASION FURNACE CARBON BLACK |
| Auteur: |
Bishai, A. M. Ghoneim, A. M. Ward, A. A. M. Younan, A. F. |
| Verschenen in: |
International journal of polymeric materials |
| Paginering: | Jaargang 51 (2002) nr. 9 pagina's 793-812 |
| Jaar: |
2002-09 |
| Inhoud: |
The mechanical and dielectric properties of styrene butadiene rubber (SBR) reinforced with polyester (PE) short-fiber loaded with high abrasion furnace (HAF) carbon black in concentrations up to 60 phr have been investigated. The effect of ageing on these properties was also studied. It was found that the tensile strength and young's modulus increased with increasing carbon cont ent in SBR-PE fiber composites, while elongation at break was decreased. These properties showed the same trend with ageing time, too. The permittivity and the dielectric loss have been determined at a frequency range from 0.1 KHz to 10 MHz at temperatures between 30 and 60°C for the same samples. It was found that in samples having low carbon concentrations, both the permittivity and the dielectric loss slightly increased with the increase of carbon concentration whereas at high concentrations they showed more pronounced anomalous dispersion with frequency. The dielectric loss-frequency curves were broad, indicating a distribution of relaxation times. The data were analyzed using a computer program based on Frohlich terms. The results of the analysis were discussed and interpreted. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 19 van 45 gevonden artikelen
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