模态声发射——声发射信号处理的得力工具  

MODAL ACOUSTIC EMISSION: A POWERFUL TOOL FOR ACOUSTIC EMISSION SIGNAL PROCESSING

作　　者：耿荣生[1] 沈功田[2] 刘时风[3] 

机构地区：[1]北京航空工程技术研究中心,北京100076 [2]国家质量监督检验检疫总局锅炉压力容器检测研究中心,北京100013 [3]清华大学机械系,北京100084

出　　处：《无损检测》2002年第8期341-345,共5页Nondestructive Testing

摘　　要：模态声发射是声发射信号处理技术的得力工具。介绍它在声发射源定位、复合材料损伤源识别。Detailed case studies have been made for the application of modal acoustic emission (MAE) in engineering fields, such as acoustic emission(AE) source location, damage evaluation for composites, identification of AE source produced by fatigue crack initiation and growth, and calendar damage monitoring and evaluation.

关 键 词：声发射检验 定位 疲劳裂纹 信号处理 模态声发射 

分 类 号：TG115.28[金属学及工艺—物理冶金]