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钢棒静载荷拉伸试验的磁记忆研究

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摘要 在铁磁性材料的结构构件中,残余应力和工作应力是重要的参数,为了判定在役铁磁性材料构件的实际受力情况,验证设计计算结果的正确性及可靠度,对结构构件尤其是一些重要的结构构件实施应力检测就显得极为重要。通过磁记忆检测方法检测钢棒拉伸前后、拉伸卸下前后和拉伸过程中的磁记忆分布变化,对产生的磁记忆现象的特点进行了分析,分析了应力集中情况的变化趋势,以及对磁记忆信号检测的影响因素,为工件磁记忆信号的正确评价提供依据。
出处 《无损探伤》 2007年第6期43-45,共3页 Nondestructive Testing Technology
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