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材料工程  2014, Vol. 0 Issue (7): 92-97    DOI: 10.11868/j.issn.1001-4381.2014.07.017
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
基于声发射技术的三维编织复合材料低速冲击损伤分析
严实, 赵金阳, 陆夏美, 曾涛
哈尔滨理工大学 建筑工程学院, 哈尔滨 150080
Low-velocity Impact Response of 3D Braided Composites by Acoustic Emission
YAN Shi, ZHAO Jin-yang, LU Xia-mei, ZENG Tao
School of Architecture and Civil Engineering, Harbin University of Science and Technology, Harbin 150080, China
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摘要 实验研究了不同编织工艺参数的三维六向碳/环氧编织复合材料在不同冲击能量作用下的低速冲击过程。测试过程中用声发射技术进行实时监测,分析了声发射能量,幅值和波形经过快速傅里叶变换后的峰值频率,并对典型信号的波形进行了频谱分析。结果表明AE参数能很好地描述三维编织复合材料的低速冲击损伤过程。
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严实
赵金阳
陆夏美
曾涛
关键词 三维六向编织复合材料低速冲击损伤声发射    
Abstract:The damage process of 3D six-directional carbon/epoxy braided composites with different braiding technological parameter under the low-velocity impact was investigated. The test procedure was monitored by the acoustic emission (AE) technique. The AE energy, amplitude and the peak frequency of a dominant frequency band after treated with the fast Fourier transform (FFT) were analyzed. And the waveforms of the type signals were discussed by spectral analysis. Results reveal that the behavior of AE parameters describes well the damage process on the low-velocity impact behavior.
Key words3D six-directional    braided composite    low-velocity impact    damage    acoustic emission
收稿日期: 2012-11-14     
1:  TB332  
基金资助:国家自然科学基金项目(11102055)
通讯作者: 严实(1977-)男,副教授,博士,从事复合材料性能表征研究,联系地址:哈尔滨理工大学建筑工程学院(150080),E-mail:yanshi@hrbust.edu.cn     E-mail: yanshi@hrbust.edu.cn
引用本文:   
严实, 赵金阳, 陆夏美, 曾涛. 基于声发射技术的三维编织复合材料低速冲击损伤分析[J]. 材料工程, 2014, 0(7): 92-97.
YAN Shi, ZHAO Jin-yang, LU Xia-mei, ZENG Tao. Low-velocity Impact Response of 3D Braided Composites by Acoustic Emission. Journal of Materials Engineering, 2014, 0(7): 92-97.
链接本文:  
http://jme.biam.ac.cn/jme/CN/10.11868/j.issn.1001-4381.2014.07.017      或      http://jme.biam.ac.cn/jme/CN/Y2014/V0/I7/92
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