| 声发射技术在疲劳裂纹监测中的应用 |
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| 引用本文： | 申雅峰,胡春艳,张磊.声发射技术在疲劳裂纹监测中的应用[J].无损检测,2012(8):34-38. |
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| 作者姓名： | 申雅峰 胡春艳 张磊 |
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| 作者单位： | 中航工业北京长城计量测试技术研究所,北京100095 |
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| 基金项目： | 航空科学基金资助项目（20085644004） |
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| 摘 要： | 主要介绍了声发射技术在金属结构试件疲劳试验中的应用,对带孔金属铝板的疲劳裂纹萌生的声发射监测进行了研究,并且对采集到的声发射信号进行了处理与分析。声发射监测技术可以实现结构疲劳裂纹萌生的早期实时监控和扩展趋势的判断。
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| 关 键 词： | 声发射 实时监测 疲劳试验 疲劳裂纹 趋势分析 |
Application of Fatigue Crack Monitoring by Acoustic Emission Technology |
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| SHEN Ya-Feng,HU Chun-Yan,ZHANG Lei.Application of Fatigue Crack Monitoring by Acoustic Emission Technology[J].Nondestructive Testing,2012(8):34-38. |
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| Authors: | SHEN Ya-Feng HU Chun-Yan ZHANG Lei |
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| Affiliation: | (Changcheng Institute of Metrology ＆Measurement, Beijing 100095, China) |
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| Abstract: | In this paper, the application of the fatigue test of metal structures with acoustic emission technology was mainly introduced, The AE monitoring of fatigue crack initiation in metal aluminum plate with holes was investigated. Acoustic emission monitoring technology can realize real-time monitoring structural fatigue crack initiation of early and its expand trend. |
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| Keywords: | Acoustic emission Real time monitoring Fatigue test Fatigue crack Trend analysis |
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