通过改变交变磁场的频率(磁感应强度一定),研究了QSTE420钢焊缝的磁致微区塑性变形和磁致伸缩幅值随频率的变化趋势,并探讨了磁致微区塑性变形和磁致伸缩两者之间的关系.结果表明:随交变磁场频率的降低,QSTE420钢焊缝区域的磁致塑性变形更加明显,而磁致伸缩幅值则逐渐减小;磁致伸缩所引起的应力、应变不是磁致微区塑性变形的主要原因.
所属栏目
材料性能及其应用教育部高校青年教师奖([2002]383);武汉市科技计划资助项目(20067003111-05)
收稿日期
2008/7/112009/2/18
作者单位
宋燕利:武汉理工大学材料科学与工程学院, 武汉 430070
华林:武汉理工大学材料科学与工程学院, 武汉 430070
王犇:武汉理工大学材料科学与工程学院, 武汉 430070
备注
宋燕利(1979-),男,山东曲阜人,助教,硕士研究生.
引用该论文:
SONG Yan-li,HUA Lin,WANG Ben.Relationship between Magneto-plasticity and Magnetostriction in Welding Seam of Low Alloy Steel in Alternating Magnetic Field at Different Frequencies[J].Materials for mechancial engineering,2009,33(8):73～76
宋燕利,华林,王犇.不同频率交变磁场下低合金钢焊缝微区磁致塑性变形与磁致伸缩的关系[J].机械工程材料,2009,33(8):73～76
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