| 声发射检测在复合固体推进剂断裂实验中的应用 |
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| 引用本文： | 刘朝丰,阳建红. 声发射检测在复合固体推进剂断裂实验中的应用[J]. 无损检测, 2007, 29(10): 596-598 |
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| 作者姓名： | 刘朝丰 阳建红 |
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| 作者单位： | 第二炮兵工程学院,西安,710025 |
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| 摘 要： | 以固体推进剂的断裂过程为研究对象,利用先进的声发射试验系统,研究了复合固体推进剂在断裂时的声发射事件特性,揭示了材料断裂韧性和声发射特性间的关系。试验结果表明,材料在裂纹失稳扩展时爆发出强烈的声发射信号。
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| 关 键 词： | 声发射检测 固体推进剂 裂纹 |
| 文章编号： | 1000-6656（2007）10-0596-03 |
| 收稿时间： | 2007-04-18 |
| 修稿时间： | 2007-04-18 |
The Application of AE in the Fracture Experiment of Composite Solid Propellant |
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| LIU Chao-feng,YANG Jian-hong. The Application of AE in the Fracture Experiment of Composite Solid Propellant[J]. Nondestructive Testing, 2007, 29(10): 596-598 |
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| Authors: | LIU Chao-feng YANG Jian-hong |
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| Abstract: | The correlation between acoustic emission testing characteristics and composite solid propellant fracture toughness was investigated,based on the study of cracking process of the propellant by using advanced acoustic emission experiment system and smooth tensile specimens with prefabricated cracks.Experimental results showed that the specimens emitted strong signals when unstable crack extension started. |
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| Keywords: | Acoustic emission testing Solid propellant Crack |
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