期刊
SENSORS
卷 20, 期 14, 页码 -出版社
MDPI
DOI: 10.3390/s20143851
关键词
non-destructive evaluation; thermal wave; thermal excitation; infrared image; defects
资金
- National Natural Science Fundation of China [11972025, 11772246, 11472203, 11172227]
- program for New Century Excellent Talents in University [NCET-13-0466]
- Natural Science Basic Research Plan in Shaanxi Province of China [2013GY2-14]
- China Scholarship Council
Effective testing of defects in various materials is an important guarantee to ensure its safety performance. Compared with traditional non-destructive testing (NDT) methods, infrared thermography is a new NDT technique which has developed rapidly in recent years. Its core technologies include thermal excitation and infrared image processing. In this paper, several main infrared thermography nondestructive testing techniques are reviewed. Through the analysis and comparison of the detection principle, technical characteristics and data processing methods of these testing methods, the development of the infrared thermography nondestructive testing technique is presented. Moreover, the application and development trend are summarized.
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