Effects of Ambient Temperature and Carbon Nanotubes Pull-out Speed on NR Matrix Temperature |
Received:August 06, 2019 Revised:August 06, 2019 |
DOI:10.12136/j.issn.1000-890X.2020.07.0489 |
Key Words: NR;carbon nanotubes;molecular dynamics;force analysis;pull-out speed;ambient temperature;rubber matrix temperature |
Author Name | Affiliation | E-mail | MA Lianxiang | Qingdao University of Science and Technology | oldhorse@qust.edu.cn | CHEN Hao | Qingdao University of Science and Technology | | HE Yan | Qingdao University of Science and Technology | | JIANG Yingnan | Qingdao University of Science and Technology | | TANG Yuanzheng* | Qingdao University of Science and Technology | tangyuanzheng@163.com |
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Abstract: |
The pull-out process of carbon nanotubes from natural rubber(NR) matrix was simulated using molecular dynamics,and the effects of ambient temperature and pull-out speed on the rubber matrix temperature and carbon nanotube stress were studied. The results showed that the higher the pull-out speed was,the more obvious the rubber matrix temperature rise was,and the higher the ambient temperature was,the more significant the rubber matrix temperature rise was. During the pull-out,there were an adhesion layer and a slip layer in the rubber matrix,the temperature of the slip layer increased unevenly and the slip layer moved outward as the ambient temperature increased. The force analysis of carbon nanotubes further illustrated the rubber matrix temperature increased as the carbon nanotubes pull-out speed and the ambient temperature increased. |
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