A new method is introduced in this paper to measure depth of subsurface defect in metal material by theoretical and experimental research of infrared images. Some experimental results are given.

• 通过对脉冲加热红外热成像无损检测的一维理论模型及实验结果的研究给出了一种估测金属材料内部近表缺陷深度的新方法，并给出测试结果.