摘要
红外热成像是具有非接触、检测面积大、检测结果直观等突出优势的新兴无损检测技术,近年来被广泛应用于金属、非金属、纤维增强复合材料(Fiber reinforced polymer,FRP)以及热障涂层等的无损检测与评价。本文首先简要介绍了红外热成像技术的基本原理和检测系统构成,特别是对光学、超声以及电磁等主要热激励形式的特点和优劣势进行了对比。然后,根据热激励形式的发展历程,详细介绍了光激励红外热成像技术在FRP复合材料和热障涂层无损检测与评价方面的研究现状与进展,重点关注了FRP复合材料/热障涂层热成像无损检测中的热难点问题。最后总结并展望了FRP复合材料/热障涂层红外热成像无损检测技术的未来发展趋势。
Infrared thermography is a new NDT technology with outstanding advantages such as noncontact,large detection area and intuitive detection results,and it has been widely used in NDT and evaluation of metal,non-metal,fiber reinforced polymer(FRP)and thermal barrier coatings.In this paper,the basic principle of infrared thermography technology and the composition of detection system are briefly introduced,especially the characteristics and advantages and disadvantages of optical,ultrasonic,and electromagnetic thermal excitation forms are compared.Then,according to the development history of thermal excitation forms,the research status and progress of optical excitation infrared thermography technology in the non-destructive testing and evaluation of FRP composites and thermal barrier coatings are introduced in detail,focusing on the hot and difficult problems in the non-destructive testing of FRP composites/thermal barrier coatings.Finally,the future development trend of infrared thermographic NDT technology for FRP composites/thermal barrier coatings is summarized and prospected.
作者
郑凯
罗志涛
张辉
ZHENG Kai;LUO Zhitao;ZHANG Hui(Special Equipment Safety Supervision Inspection Institute of Jiangsu Province,Nanjing 210036,China;College of Engineering,Nanjing Agricultural University,Nanjing 210031,China;School of Mechanical Engineering,Southeast University,Nanjing 211189,China)
出处
《红外技术》
CSCD
北大核心
2023年第10期1008-1019,共13页
Infrared Technology
基金
国家重点研发计划(2022YFB3404300)
国家自然科学基金(52272433)
江苏省重点研发计划(产业前瞻与关键核心技术)(BE2021084)
江苏省市场监督管理局科技计划项目(KJ2022002)。
