Measurement Potential of the Barkhausen Effect for Obtaining Additional Information on the Component Condition in Manufacturing

IF 0.3 Q4 THERMODYNAMICS HTM-Journal of Heat Treatment and Materials Pub Date : 2021-10-01 DOI:10.1515/htm-2021-0014

C. Krause, D. Fehrenbach, L. Wolf, M. Kiesewetter, C. Radek, M. Schaudig

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引用次数: 1

Abstract

Abstract The measurement of Barkhausen noise is one of the non-destructive testing methods which allows the use within the production line and within the cycle time at a high production volume. The aim of the present study was to answer the question, whether it is possible to extract the informations that the Barkhausen noise includes, concerning work-piece conditions, from the signal characteristic and more important assigning these findings. Therefore, soft machined and heat treated shaft components made of the ferromagnetic material Cf53 (1.1213) were analyzed to find characteristics in the Signal that allow to separate clearly an increase in temperature of the tested area from a change in the microstructure. For this purpose the shafts were analyzed at higher temperatures (up to 80 °C) and after an additional annealing process (to change the microstructure specifically). Both investigated situations (higher temperature and modified microstructure) showed different characteristic in the Barkhausen signal, thus an assigning is possible. Metallographic investigation and hardness measurements has been carried out to support the results.

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巴克豪森效应在制造过程中获取部件状态附加信息的测量电位

巴克豪森噪声的测量是一种无损检测方法，可以在生产线内和生产周期内大批量使用。本研究的目的是回答这个问题，是否有可能从信号特征中提取巴克豪森噪声包含的有关工件条件的信息，更重要的是分配这些发现。因此，对由铁磁材料Cf53(1.1213)制成的软加工和热处理的轴部件进行了分析，以找到信号中的特征，这些特征可以清楚地将测试区域温度的升高与微观结构的变化区分开来。为此，在更高的温度(高达80°C)下对轴进行分析，并经过额外的退火处理(具体改变微观结构)。两种情况下(更高的温度和改变的微观结构)在巴克豪森信号中表现出不同的特征，因此可以进行分配。金相调查和硬度测量已经进行了支持的结果。

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