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首页> 外文会议>ICAM 2012 >Investigation of the Magnetic Signals for the Ferromagnetic Components after Tensile Fatigue under Weak Magnetic Excitation
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Investigation of the Magnetic Signals for the Ferromagnetic Components after Tensile Fatigue under Weak Magnetic Excitation

机译：弱磁激励下拉伸疲劳后铁磁性成分磁信号研究

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In order to investigate the magnetic signals on the surface of the ferromagnetic component, which have suffered the tensile fatigue under weak static magnetic excitation, an experiment is set up to operate the research. The 16MnR is adopted to make the specimen which will get the tensile fatigue, with a prefabricated small crack in the center position of it. The probe based on the GMR Array is engaged in the signal acquisition system. Magnetic signals at different tensile stage is obtained and mapped, as well as its gradient. Research between the characteristics of the signals and the specimen’s suspicious stress concentration or damaged area has been discussed to make a proper evaluation to the components.
机译：为了研究铁磁性组分表面上的磁信号，该磁铁在弱静态磁性激励下遭受拉伸疲劳，建立了实验以操作研究。采用16MnR制作样品，该样品将获得拉伸疲劳，其中预制的小裂缝在其中心位置。基于GMR阵列的探针接合在信号采集系统中。获得不同拉伸阶段的磁信号，并映射，以及其梯度。已经讨论了信号特性与标本的可疑应力浓度或受损区域之间的研究以对组件进行适当的评估。

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