涡流法辨识316L不锈钢人为疲劳裂纹的实验研究

M. Smetana, D. Gombarska, V. Chudacik, L. Janoušek, Filip Vaverka
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引用次数: 0

摘要

本文研究了导电材料实际疲劳缺陷的电磁无损检测问题。采用涡流法对aisi316l级奥氏体不锈钢进行了研究。励磁线圈的驱动采用谐波励磁。在预先设定的加载工艺参数下,在循环机上板料的三点弯曲引起疲劳裂纹。所得的响应信号的研究感兴趣的区域是图形表示和讨论在文章中。
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Experimental Identification of 316L Stainless Steel’s Artificial Fatigue Cracks by Eddy Current Method
The paper deals with the issue of electromagnetic non-destructive investigation of real fatigue defects of conductive materials. Austenitic stainless steel of grade AISI 316L is investigated by the eddy current method. Harmonic excitation is used for driving of the exciting coils. Presented fatigue cracks are induced by the three-point bending of the plates on the cycling machine with predefined loading process parameters. The gained response signals of the investigated regions of interest are graphically presented and discussed in the article.
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