| 固体推进剂断裂韧性试验方法研究 |
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| 引用本文： | 刘朝丰 陈飞 阳建红. 固体推进剂断裂韧性试验方法研究[J]. 宇航学报, 2006, 27(12): 186-189 |
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| 作者姓名： | 刘朝丰 陈飞 阳建红 |
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| 作者单位： | 第二炮兵工程学院204室,西安710025 |
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| 摘 要： | 利用声发射试验系统和CT试样，对HTPB推进剂I型裂纹断裂韧性进行实验研究。通过研究复合固体推进剂的声发射事件特性和裂纹扩展特性的关系，得到一种由振铃计数确定临界载荷的方法，该方法能准确求得断裂韧性。
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| 关 键 词： | 固体推进剂 裂纹 声发射 断裂韧性 |
| 收稿时间： | 2005-12-20 |
| 修稿时间： | 2006-04-20 |
Experiment Method Study on Fracture Toughness of Composite Solid Propellant |
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| LIU Chao-feng, CHEN Fei, YANG Jian-hong ,. Experiment Method Study on Fracture Toughness of Composite Solid Propellant[J]. Journal of Astronautics, 2006, 27(12): 186-189 |
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| Authors: | LIU Chao-feng CHEN Fei YANG Jian-hong |
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| Abstract: | In this paper, a model I fracture toughness of HTPB composite solid propellant was studied by using acoustic emission experiment system and CT sample. A method of determine critical load was obtain through studying the correlation between acoustic emission characteristics and their crack propagation characteristics , the method can accurately get fracture toughness . |
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| Keywords: | Solid propellant Crack Acoustic emission Fracture toughness |
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