激光超声检测技术在复合材料检测中的应用

被引：29

作者：

周正干

孙广开

李征

张耀

机构：

[1] 北京航空航天大学机械工程及自动化学院

来源：

哈尔滨理工大学学报 | 2012年 / 17卷 / 06期

关键词：

复合材料; 缺陷检测; 激光超声;

D O I：

10.15938/j.jhust.2012.06.007

中图分类号：

V267 [航空器的维护与修理]; TG115.285 [];

学科分类号：

082503 ; 080502 ;

摘要：

针对广泛用于航天器结构的复合材料层压板,建立了激光超声检测实验平台,实验研究了脉冲激光在复合材料中产生超声波的时频域特征,分析了激光超声与复合材料分层缺陷相互作用的声衰减行为,实现了复合材料层压板夹杂、分层缺陷的C型成像检测.研究成果对推动激光超声检测技术在航天飞行器结构快速检测中的应用与发展具有积极作用.

引用

页码：119 / 122

页数：4

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