| Effect of Surface Defects on Sealing Performanceof Silicone Rubber |
| Received:August 18, 2016 Revised:August 18, 2016 |
| DOI： |
| Key Words: seal; silicone rubber; finite element method; surface defects |
| Author Name | Affiliation | E-mail | | Jian Wu* | Harbin Institute of Technology at Weihai | wu1234jian5678@163.com | | Jiyi Dong | Harbin Institute of Technology at Weihai | | | Bipin Kumar Gond | Indian Institutes of Technology at Kanpur | | | Youshan Wang | Harbin Institute of Technology at Weihai | | | Benlong Su | Harbin Institute of Technology at Weihai | | | Zhibo Cui | Harbin Institute of Technology at Weihai | |
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| Abstract: |
| Silicone rubber seals are widely used in the aerospace field, and the surface defects of the sealing surface have important influence on the sealing performance. In this paper, finite element analysis method is used to study the effect of surface defects on sealing performance of silicone rubber. The finite element model of the seal contact is established, and the influence of the height, radius and the position of the convex surface on the sealing performance is analyzed by using ABAQUS. The results show that the height and position of the surface convex have great influence on the sealing performance. Higher the height, more close to the maximum effective contact pressure and so more prone to leakage. However, the influence of convex radius on the sealing performance is relatively smaller. |
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