激光超声技术在航空碳纤维复合材料无损检测中的应用  

Applications of Laser Ultrasonic Nondestructive Testing Technology in Aeronautical Carbon Fiber Composite

作　　者：张昭[1] 肖迎春[1] 李闵行[1] 郭佳[1] 王倩[1] 

机构地区：[1]中国飞机强度研究所结构无损检测及健康监测研究室,西安710065

出　　处：《航空工程进展》2014年第3期269-274,共6页Advances in Aeronautical Science and Engineering

摘　　要：随着碳纤维复合材料在航空航天领域越来越广泛的应用,激光超声技术在对其进行无损检测方面的优势逐渐凸显。分析了发展复合材料激光超声无损检测技术的必要性,介绍了碳纤维复合材料激光超声无损检测技术的发展概况,分析了其主要关键技术,包括超声波激光激励技术、超声波激光接收技术和干涉技术等,评述了现有技术存在的问题及未来的发展方向,对激光超声技术未来的应用和发展有一定的参考和借鉴作用。With the application of carbon fiber composite materials in the aerospace field more and more widely , the superiority of the laser ultrasonic technique in the nondestructive testing is showed gradually .The necessity of nondestructive testing technology of laser ultrasonic in composite is analyzed ,the development situation of this technology is introduced and the key technical point is indicated ,including the ultrasonic laser exciting tech-nique ,ultrasonic laser receiving and interference technique etc .Finally ,the existing problem and the develop-ment of the technique are described .It has certain reference in future development and application for laser ul-trasonic nondestructive testing technology .

关 键 词：激光超声 碳纤维 复合材料 无损检测 

分 类 号：TN247[电子电信—物理电子学] V25[一般工业技术—材料科学与工程]