纤维缠绕壳体加载过程中声发射特征研究  

Research on acoustic emission characteristics of filament-wound case during loading process

作　　者：刘砚涛[1] 顾海贝[1] 王鸿博[1] 陈昊[1] 郭冰[1] 

机构地区：[1]北京强度环境研究所,北京100076

出　　处：《强度与环境》2016年第4期36-40,共5页Structure & Environment Engineering

摘　　要：阐述了复合材料声发射(Acoustic Emission,简称AE)技术的特点、主要参数及其对损伤缺陷的鉴别。利用声发射技术监测了纤维缠绕壳体结构静力试验过程,分析了随着外载荷增加复合材料三种损伤模式与声发射信号的关系,为声发射技术在复合材料静力试验中的应用提供了试验依据。Characteristics of acoustic emission （AE） technique to composite and its main parameters areboth expounded, and the identification of damage defects is described with AE technique. The static testprocesses of the filament-wound case are supervised with AE technique. Moreover, the relation betweenAE signals and the three damage mode of composite with the external-pressure load increasing is analyzed.These indices provide rich experimental information for the application of AE technique to the static test ofcomposite material structures.

关 键 词：声发射技术 复合材料 静力试验 缺陷检测 

分 类 号：O422.6[理学—声学]