| 定应变下丁羟推进剂贮存寿命预估 |
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| 引用本文： | 鲁国林,罗怀德.定应变下丁羟推进剂贮存寿命预估[J].推进技术,2000,21(1):79-81. |
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| 作者姓名： | 鲁国林 罗怀德 |
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| 作者单位： | 湖北红星化学研究所,湖北,襄樊,441003 |
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| 摘 要： | 采用高温加速老化法，研究了中燃速丁羟推进剂在受力（１５％定应变）状态下力学性能变化，预体了推进剂的受力与非受力（０％应变）状态下贮存寿命。结果表明：定应变的作用对推进剂的贮存寿命影响较大，推进剂在受力状态下的贮存寿命比非受力条件下的贮存寿命缩短了４年左右。
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| 关 键 词： | 加速老化试验 贮存寿命 寿命预测 丁羟推进剂 |
Storage life prediction for HTPB propellant under constant strain |
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| Lu Guolin and Luo Huaide.Storage life prediction for HTPB propellant under constant strain[J].Journal of Propulsion Technology,2000,21(1):79-81. |
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| Authors: | Lu Guolin and Luo Huaide |
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| Institution: | Hubei Red Star Chenmical Inst ,Xiangfan 441003,China;Hubei Red Star Chenmical Inst ,Xiangfan 441003,China |
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| Abstract: | The change of mechanical properties of HTPB propellant with mediate burning rate was investigated under 15% constant strain by thermally accelerated aging Storage life of propellant was predicted in both 15% and non strain condition The results show that effect of constant strain on storage life of propellant is great Storage life of propellant under 15% constant strain is shortened than zero strain for four years |
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| Keywords: | Hydroxy terminated polybutadiene propellant Accelerated aging test Storage life Life prediction |
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