| 声发射技术在试件疲劳试验中的预警作用 |
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| 引用本文： | 范靖,吴惠勇.声发射技术在试件疲劳试验中的预警作用[J].飞机设计,2011,31(2):42-44. |
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| 作者姓名： | 范靖 吴惠勇 |
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| 作者单位： | 沈阳飞机设计研究所; |
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| 摘 要： | 将声发射动态无损检测技术引入试件疲劳试验中,通过对试验过程中声发射信号的分析,获取试件的初始裂纹数据.证明声发射技术可以发现试验中试件的初始裂纹,并对其破坏具有预警作用.
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| 关 键 词： | 声发射 疲劳试验 裂纹 |
Use Acoustic Emission Technology to Warn the Break of Specimen in Fatigue Tests |
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| FAN Jing,WU Hui-yong.Use Acoustic Emission Technology to Warn the Break of Specimen in Fatigue Tests[J].Aircraft Design,2011,31(2):42-44. |
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| Authors: | FAN Jing WU Hui-yong |
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| Institution: | FAN Jing,WU Hui-yong(Shenyang Aircraft Design &Research Institute,Shenyang 110035,China) |
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| Abstract: | Through studying acoustic emission signal in specimen fatigue tests,Found out the relation between the occur of crack and the acoustic emission events.Prove Acoustic Emission Technology can be use to discover the occur of the crack,and have a warning to the break of the specimen. |
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| Keywords: | acoustic emission fatigue test crack |
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