基于声发射的全尺寸飞机静强度损伤监测
Damage Monitoring for Full-Scale Aircraft Statics Test Based on Acoustic Emission
摘 要
声发射技术在飞机结构无损检测中的运用日益广泛,对声发射技术的发展现状、定位原理进行了介绍,并运用声发射技术完成了某型机全尺寸静强度试验的损伤监测.通过对采集的幅度、能量等信号参数进行分析,及时发现了飞机某部位结构的损伤.结果表明,声发射技术在飞机静强度试验损伤监测中可及时捕捉裂纹的形成和扩展过程,对发现金属结构损伤具有一定优势,可避免造价高昂的飞机在试验过程中发生大的结构性破坏,从而为飞机结构的损伤容限设计提供参考.
静强度试验
无损检测
裂纹
结构损伤
Acoustic Emission
Static test
Nondestructive testing
Crack
Structure damage
Abstract
More applications of Acoustic Emission (AE) have been implemented in structure health monitoring of aircraft.In this paper,the development and orientation principium of AE were introduced,then damage monitoring during static test of a full-scale aircraft was carried out.Through analyzing the parameters of AE,structural damage in some area was caught.The result shows that AE has advantages in damage monitoring for full-scale aircraft static test,it could avoid severe structural damages for expensive aircraft during statics test,and provide reference for damage tolerance design of airplanes.
中图分类号 TG115.28 TG115.5+7
所属栏目 无损检测新技术发展专题
基金项目
收稿日期 2014/10/14
修改稿日期
网络出版日期
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备注韩晖(1987-),男,工程师,主要从事结构健康监测及声发射检测工作.
引用该论文: HAN Hui,NING Ning,XIAO Ying-chun,LIU Guo-qiang,LI Ming. Damage Monitoring for Full-Scale Aircraft Statics Test Based on Acoustic Emission[J]. Nondestructive Testing, 2015, 37(5): 13～17
韩晖,宁宁,肖迎春,刘国强,李明. 基于声发射的全尺寸飞机静强度损伤监测[J]. 无损检测, 2015, 37(5): 13～17
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参考文献
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【3】MILLER R K,MCLNTIRE P.Acoustic Emission Testing[M].Columbus,OH:American Society for Nondestructive Testing,1987.
【4】沈功田.声发射源定位技术[J].无损检测,2002,24(3):24-27.
【5】MAJI A K,SATPATHI D.Acoustic emission source location based on lamb waves[J].Proceedings of Engineering Mechanics,1995.
【6】耿荣生,沈功田,刘时风.模态声发射——声发射信号处理的得力工具[J].无损检测,2002,24(8):21-25.
【7】刘治东,庞宝君,唐颀.基于虚拟波阵面的层合板声发射源定位[J].压电与声光,2010,32(6):163-167.
【8】李冬生,何林,欧进萍.神经网络技术在声发射定位中的应用[C]∥中国第十届声发射学术研讨会论文集.大庆:中国机械工程学会,2004.
【9】SCHOLEY J J,WILCOX P D,WISNOM M R,et al.Two-dimensional sourcelocation techniques for large composite plates[C]∥The 28th European conferenceon acoustic emission testing.Cracow:[s.n],2008.
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