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| Storage Life Evaluation of Silica Phenolic Component Used in Missile |
| Received:June 28, 2021 Revised:October 15, 2021 |
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| DOI：10.7643/issn.1672-9242.2022.04.006 |
| KeyWord:silica phenolic bending strength thermal-oxidative aging storage life |
| Author | Institution |
| ZHANG Kai |
Southwest Institute of Technology and Engineering, Chongqing , China |
| SHE Zu-xin |
Southwest Institute of Technology and Engineering, Chongqing , China |
| WANG Ling |
Southwest Institute of Technology and Engineering, Chongqing , China |
| HE Jian-xin |
Southwest Institute of Technology and Engineering, Chongqing , China |
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| Abstract: |
| In order to evaluate the storage life of high silica/phenolic FRP structural parts on the bomb at 25 ℃. This paper mainly focuses on the silica phenolic component used in the missile, through an accelerating aging test, based on the test results to evaluate the storage life of the component, and to provide support for life extension. The thermal aging tests were used to carry out the test at the temperature of 90 ℃, 110 ℃, 130 ℃ and 150 ℃, the storage life was evaluated by using the empirical mathematical model and Arrhenius model.The results indicate that the bending strength of silica phenolic increases rapidly at first and then decreases slowly, based on the experimental results, the performance degradation model of silica phenolic component was established.Finally,taking the retention rate of bending strength 95% as the failure threshold, the storage life of silica phenolic component at 25 ℃ is 66.6 years. |
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