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金属磁记忆在齿轮早期微裂纹检测中的应用

Keywords: 金属磁记忆,齿轮,微裂纹检测

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Abstract:

依据金属磁记忆检测的基本原理,提出关于齿轮早期局部微裂纹缺陷的漏磁信号模型,指出在裂纹区域,漏磁场的切向分量具有峰值,而法向分量过零、其梯度具有峰值,分析了裂纹深度对上述特征的影响,并将上述理论应用于实际齿轮表面微裂纹检测,显微分析的结果论证了磁记忆检测的有效性。

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