CAJ | 학술논문

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。
성발사기술재비궤결구무손검측중적운용일익엄범，대성발사기술적발전현상、정위원리진행료개소，병운용성발사기술완성료모형궤전척촌정강도시험적손상감측。통과대채집적폭도、능량등신호삼수진행분석，급시발현료비궤모부위결구적손상。결과표명，성발사기술재비궤정강도시험손상감측중가급시포착렬문적형성화확전과정，대발현금속결구손상구유일정우세，가피면조개고앙적비궤재시험과정중발생대적결구성파배，종이위비궤결구적손상용한설계제공삼고。
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.