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铁磁性材料硬度电磁无损检测的定量模型研究

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摘要 目前硬度检测多采用机械压痕测量法,该方法对被测工件表面产生破坏性,且检测周期较长,已无法满足现代工业提出的快速无损的检测需求.基于铁磁性材料特殊的电磁特性,本文将电磁无损检测应用于零部件硬度测量.首先分析了其检测原理,然后通过多次硬度电磁检测的试验,采用最小二乘拟合法建立了硬度与探头信号之间的数学模型,该模型可用于实现零部件硬度的定量检测.
机构地区 军械工程学院 [
出处 《计量技术》 2014年第2期10-13,共4页 Measurement Technique
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