| 某型导弹橡胶密封件剩余贮存寿命预测 |
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| 引用本文： | 罗勇,何建新,赵全成,张凯,周堃.某型导弹橡胶密封件剩余贮存寿命预测[J].装备环境工程,2014,11(4):12-15. |
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| 作者姓名： | 罗勇 何建新 赵全成 张凯 周堃 |
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| 作者单位： | 西南技术工程研究所, 重庆 400039;西南技术工程研究所, 重庆 400039;西南技术工程研究所, 重庆 400039;西南技术工程研究所, 重庆 400039;西南技术工程研究所, 重庆 400039 |
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| 摘 要： | 目的评估预测某型进口导弹的橡胶密封件剩余贮存寿命。方法通过质谱、红外光谱和能谱等理化分析方法确定橡胶密封件主体材质,通过热重分析确定热老化试验温度条件,设计压缩工装模拟弹体实际密封结构,开展4个温度条件下的加速热老化试验。结果材质分析确定橡胶密封件为丁苯橡胶,热老化试验获取了该材料在贮存温度下的压缩永久变形与贮存时间的老化动力学方程。结论 25℃条件下该橡胶密封件的剩余贮存寿命为5.8年。
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| 关 键 词： | 密封件 热氧老化 剩余贮存寿命 |
| 收稿时间： | 2014/6/30 0:00:00 |
| 修稿时间： | 7/8/2014 12:00:00 AM |
Prediction of Remaining Shelf-life for a Missile Rubber Sealing Material |
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| LUO Yong,HE Jian-xin,ZHAO Quan-cheng,ZHANG Kai and ZHOU Kun.Prediction of Remaining Shelf-life for a Missile Rubber Sealing Material[J].Equipment Environmental Engineering,2014,11(4):12-15. |
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| Authors: | LUO Yong HE Jian-xin ZHAO Quan-cheng ZHANG Kai and ZHOU Kun |
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| Institution: | Southwest Research Institute of Technology and Engineering, Chongqing 400039, China;Southwest Research Institute of Technology and Engineering, Chongqing 400039, China;Southwest Research Institute of Technology and Engineering, Chongqing 400039, China;Southwest Research Institute of Technology and Engineering, Chongqing 400039, China;Southwest Research Institute of Technology and Engineering, Chongqing 400039, 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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| Keywords: | sealing material thermal aging remaining shelf-life |
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