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| Prediction of Remaining Shelf-life for a Missile Rubber Sealing Material |
| Received:June 30, 2014 Revised:July 08, 2014 |
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| DOI：10.7643/issn.1672-9242.2014.04.003 |
| KeyWord:sealing material thermal aging remaining shelf-life |
| Author | Institution |
| LUO Yong |
Southwest Research Institute of Technology and Engineering, Chongqing , China |
| HE Jian-xin |
Southwest Research Institute of Technology and Engineering, Chongqing , China |
| ZHAO Quan-cheng |
Southwest Research Institute of Technology and Engineering, Chongqing , China |
| ZHANG Kai |
Southwest Research Institute of Technology and Engineering, Chongqing , China |
| ZHOU Kun |
Southwest Research Institute of Technology and Engineering, Chongqing , China |
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| Abstract: |
| Objective To predict the remaining shelf-life for a missile rubber sealing material based on the thermal aging method. Methods The rubber material was analyzed by MS, FTIR, EDS, and XRD, the temperature conditions were determined through thermogravimetric analysis, and clamp setting was designed to simulate the actual sealing structure of the missile, to conduct the accelerated thermal aging under four temperature conditions. Results The rubber material was styrene butadiene rubber, and the aging dynamics equation of permanent compressive deformation and storage time at the storage temperature of this material was established. Conclusion The remaining shelf-life was predicted to be 5. 8 a at 25 ℃ . |
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