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根据红外热波成像技术的基本原理,用辐射热激励方法对蜂窝结构材料进行瞬态加热,同时用高灵敏度热像仪拍摄蜂窝结构材料盖板的热像图,用计算机对热像图进行图像处理,显示蜂窝结构材料的内部形状和缺陷.该技术具有无损、快速、高效、直观和大面积检测等特点.根据理论分析、数值模拟和实验研究,证实用高能量灯照的辐射动态加热是热激励的有效方法,并需用高灵敏度和快速采样的热像仪来获得理想的检测效果
According to the basic principle of infrared thermal imaging, the honeycomb structure material is transiently heated by the radiant heat excitation method. At the same time, the thermal image of the cover plate of the honeycomb structure material is photographed by the high-sensitivity thermal imager, and the thermal image of the honeycomb structure material is imaged by the computer Processing shows the internal shape and defects of the honeycomb structure material. The technology has the characteristics of non-destructive, rapid, efficient, intuitive and large area inspection. According to theoretical analysis, numerical simulation and experimental research, it is confirmed that the dynamic radiation heated by the high-energy lamp is an effective method of thermal excitation, and the high sensitivity and rapid sampling thermal imager are needed to obtain the ideal detection effect