红外检测技术的研究与发展现状

红外无损检测(IRT)技术作为一种新的检测方法,可以检测材料、构件的内部缺陷,评估材料的应力状态以及实现疲劳寿命的快速预测,对设备进行运行状态监测和故障诊断。简述了IRT技术的基本原理,从缺陷检测、应力检测、疲劳分析、图像处理、检测监测应用等方面阐述了国内外IRT技术的研究以及应用现状。介绍了国内外IRT检测设备和检测标准、技术应用情况,并指出了该检测技术的发展趋势。

Progress of Infrared Testing Technology

As a new inspection method,infrared non-destructive testing(IRT)technology can detect the internal defects of materials and components,evaluate the stress state of materials and achieve rapid prediction of fatigue life,and monitor the operating status and diagnose faults of equipment.This article briefly describes the basic principles of IRT technology,and elaborates the research and application status of IRT technology at home and abroad from the aspects of defect detection,stress detection,fatigue analysis,image processing,and testing and monitoring application.The relevant testing equipment and testing standards,applications of the testing technology at home and abroad were introduced and its development trend was also pointed out.