摘要
新型复合材料在航空航天领域获得广泛应用,有些甚至已代替金属成为某些核心部件的主要结构材料,此类材料及其构件在结构、材料特性、所需检测条件等方面的特殊性对无损检测技术提出更苛刻、更有针对性的检测需求,如不能使用耦合剂、高效率、高可靠性、实时、直观、绿色环保等,非接触无损检测技术被认为是满足上述检测需求的重要手段,已有多种非接触检测技术为航空航天制造及维护提供服务。本文结合航空航天工业的发展趋势及该领域对新型复合材料的检测需求,就目前国内外研究较热且具有较大应用潜力的多种非接触无损检测技术(包括空气耦合超声检测技术、红外热像技术、激光超声检测技术、散斑干涉技术)进行综述,总结各方法所具有的技术特点、研究进展与应用情况。最后,综合各技术研究现状展望非接触无损检测技术的发展趋势,为此类技术在相关领域的研究与应用提供一定的参考和借鉴。
Advanced composites are widely used in aviation and aerospace industries, some even replace metal as core parts of main structural material. Due to their special features in structure, material behavior and inspection conditions, sev- eral more rigorous and more targeted requirements for nondestructive testing are proposed including couplant-free, high tes- ting efficiency, high reliability, real-time, visualized and environmental friendly, etc. Noncontact nondestructive testing tech- niques are viewed as viable solutions to meet the above requirements, and a variety of noncontact testing techniques have been offering services for aerospace manufacturing and maintenance. According to the development trends of aviation and aerospace industries and new inspection requirements for advanced composites, several well-suited, highly relevant and promising noncontact nondestructive testing techniques including air-coupled ultrasonic testing technique, infrared thermegra- phy, laser ultrasonic testing technique, and speckle pattern interferometry are summarized from different perspectives inclu- ding technical features, research progress and applications. Finally, the development trends of noncontact nondestructive testing techniques are overviewed via synthesizing the research status of techniques above to provide certain references for the research and applications of these techniques in related industries.
出处
《航空学报》
EI
CAS
CSCD
北大核心
2014年第7期1787-1803,共17页
Acta Aeronautica et Astronautica Sinica
基金
国家商用飞机制造工程技术研究中心创新基金(SAMC13-JS-15-022)
航天科技创新基金(CASC06)~~
关键词
非接触
无损检测
激光超声
复合材料
红外热像
散斑干涉
空气耦合超声
noncentact
nondestructive examination
laser ultrasonic
composite materials
infrared thermography
speck- le interferometry
air-coupled ultrasound
