| 航空树脂基复合材料的高韧性化研究进展 |
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| 引用本文： | 益小苏,许亚洪,程群峰,安学锋.航空树脂基复合材料的高韧性化研究进展[J].科技导报(北京),2008,26(6):84-92. |
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| 作者姓名： | 益小苏 许亚洪 程群峰 安学锋 |
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| 作者单位： | 北京航空材料研究院先进复合材料国家重点实验室 北京100095(益小苏，安学锋)，航天特种材料与工艺研究所 北京100074(许亚洪)，浙江大学高分子科学与工程学系 杭州310013(程群峰) |
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| 基金项目： | 国家重点基础研究发展规划(973计划)
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国家自然科学基金重大项目 |
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| 摘 要： | 航空飞行器的损伤容限设计,要求其复合材料具有高的韧性。目前广泛采用的是整体增韧树脂基体或插层改性。本文以双马来酰亚胺复合材料为例,报道"离位"增韧改性的概念、技术、方法和实验验证。"离位"技术不仅可较大幅度地提升复合材料层压板的所有层间韧性而保持其面内性质基本不变,而且在应用上具广谱适用性。"离位"复合材料拥有中国自主知识产权。
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| 关 键 词： | 反应诱导分相 双马来酰亚胺 复合材料层压板 “离位”增韧改性 |
| 文章编号： | 1000-7857(2008)06-0084-09 |
| 修稿时间： | 2008年1月11日 |
Development of Studies on Polymer Matrix Aircraft Composite Materials Highly Toughened |
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| YI Xiaosu,XU Yahong,CHENG Qunfeng,AN Xuefeng.Development of Studies on Polymer Matrix Aircraft Composite Materials Highly Toughened[J].Science & Technology Review,2008,26(6):84-92. |
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| Authors: | YI Xiaosu XU Yahong CHENG Qunfeng AN Xuefeng |
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| Abstract: | Damage-tolerance design methodology of aircraft requires high impact damage resistance of composite materials used in airplanes. By taking bismaleimide matrix composite laminates as an example, a new concept, the so-called ex-situ toughening, for aircraft applications, is illustrated, which is different from those of overall-toughening or interleaving toughening so far widely accepted. Experimental investigations reveal that both the interlaminar properties and impact damage resistance can be significantly improved by using ex-situ toughening concept while keeping in-plane mechanical properties almost unchanged. The concept can also be applied to aeronautical composites of different resin chemistry. The ex-situ toughening concept is intellectually protected by international and Chinese patents. |
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| Keywords: | reaction-induced phase separation bismaleimide composite laminates ex-situ toughening |
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