首页> 外文期刊>Russian Journal of Nondestructive Testing >Correlation between Acoustic Emission Parameters of a Growing Crack, the Stress Intensity Factor, and the Type of Stressed State
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Correlation between Acoustic Emission Parameters of a Growing Crack, the Stress Intensity Factor, and the Type of Stressed State

机译:裂纹扩展的声发射参数,应力强度因子和应力状态类型之间的相关性

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摘要

Correlation between acoustic-emission (AE) parameters of a growing crack and the stress intensity factor in its vicinity was studied experimentally for various types of stress states. Physical interpretation was made for the maxima of the detected amplitude and for specific stages in the length dependence of the total number of AE acts produced by the crack. It is recommended to use the results obtained for improving reliability of the AE testing technique of the prefracturing state.
机译:对于各种应力状态,通过实验研究了裂纹扩展的声发射(AE)参数与其附近的应力强度因子之间的相关性。对检测到的振幅的最大值和特定阶段的物理解释进行了解释,该阶段取决于裂缝产生的AE行为总数的长度依赖性。建议使用获得的结果来改善预压状态下AE测试技术的可靠性。

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