激光超声技术在航空碳纤维复合材料无损检测中的应用

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。

Applications of Laser ultrasound NDT technology in aeronautical carbon fiber composite materials

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 .