This article established one dimension transient heat conduction model of plane hidden corrosion by researching it′s heat conduction mechanism. According to the model, it introduced the relation of the time of the most value of the difference temperature and the depth of corrosion. But the time was not exactly gained because of limited apparatus precision. The paper presented nonlinear regression equation to fit the change of difference in temperature, and solved the value of the time. The method which had verified by analyzing the result of calculation has higher reliability.
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孙延春,孙步胜,马齐爽.基于非线性回归分析的飞机隐藏腐蚀的热波检测[J].激光与红外,2007,37(7):649~652 SUN Yan-chun, SUN Bu-sheng, MA Qi-shuang. Detection of Plane Hidden Corrosion by Thermal Wave Based on Nonlinear Regression Analysis[J]. LASER & INFRARED,2007,37(7):649~652