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本文简要地叙述了发纹的成因机理和分布规律,讨论了发纹磁粉检测技术,描述了磁粉检测和热酸腐蚀方法的差异,并提出了对发纹磁粉迹象的判断和确定零件发纹容限的看法。
In this paper, the genesis mechanism and distribution rule of hairline are briefly described. The technology of hairline magnetic particle detection is discussed. The difference between magnetic particle inspection and hot acid etching method is described. The judgment of hairline magnetic powder and the determination of the part hairline Limited view.