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研究用激光层裂技术定量测量涂层 /基体结合强度的机理与实验方法。利用特征线法得出界面处应力的计算公式。实验结果表明 ,采用相关函数与频谱分析 ,可以从测量波形中直接判断出界面的脱粘情况 ,确定界面脱粘的临界状态。
The mechanism and experimental method for quantitatively measuring the bond strength between coating and matrix by laser delamination technique are studied. Using the characteristic line method to calculate the stress at the interface formula. The experimental results show that using the correlation function and spectrum analysis, the debonding status of the interface can be directly determined from the measured waveform, and the critical state of the interface debonding can be determined.