| 腈纶/芳纶共混短纤维用量对柔性绝热层材料性能的影响 |
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| 引用本文： | 高国新,郑元锁,巩红光,刘艺.腈纶/芳纶共混短纤维用量对柔性绝热层材料性能的影响[J].固体火箭技术,2005,28(3):212-215. |
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| 作者姓名： | 高国新 郑元锁 巩红光 刘艺 |
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| 作者单位： | 西安交通大学高聚物研究所,西安,710049 |
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| 摘 要： | 比较了腈纶短纤维增强EPDM／NBR共混橡胶（EN体系）、芳纶短纤维增强EPDM／NBR共混橡胶（EA体系）、腈纶／芳纶混杂短纤维增强EPDM／NBR共混橡胶（ENA体系）等3种体系中，短纤维用量对材料不同方向上力学性能的影响；EA和ENA两种不同体系中，短纤维用量对材料烧蚀性能和相对密度的影响。在短纤维用量为6份时，ENA体系的拉伸强度和伸长率比EA体系大，烧蚀性能比EA体系好，相对密度也比EA体系低。
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| 关 键 词： | 拉伸强度 伸长率 短纤维 烧蚀速率 |
| 文章编号： | 1006-2793（2005）03-0212-04 |
| 收稿时间： | 2004-08-23 |
| 修稿时间： | 2004-09-16 |
Effect of short fiber content in blended nitrilon/aramid system on properties of flexible insulation composite |
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| GAO Guoxin,ZHENG Yuan-suo,GONG Hong-guang,LIU Yi.Effect of short fiber content in blended nitrilon/aramid system on properties of flexible insulation composite[J].Journal of Solid Rocket Technology,2005,28(3):212-215. |
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| Authors: | GAO Guoxin ZHENG Yuan-suo GONG Hong-guang LIU Yi |
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| Abstract: | The effects of short fiber content in three kinds of composite systems on mechanical property of composite at different direction were compared, such as nitrilon short fiber-reinforced rubber composite (EN system) , aramid short fiber-reinforced rubber composite (EA system) , nitrilon/aramid short fiber-reinforced rubber composite ( ENA system) , and the effects of short fiber content in two kinds composite systems (EA and ENA) on ablation property and relative density as well. When short fiber content in composite systems reach 6 portion, tensile strength and extensibility of ENA system is bigger than that of EA system, ablation property of ENA system is superior to that of EA system, but relative density of ENA system is lower than that of EA system. |
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| Keywords: | tensile strength extensibility short fiber ablation rate |
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