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磁记忆检测在无缝钢轨内应力测试中的可行性研究

Feasibility Research on Stress Testing of Seamless Railway by Magnetic Memory Testing

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【Author】 WANG Xiao-xia(Baoshan District Institute of Special Equipments Inspection,Shanghai 201900,China)CAI Xun(School of Materials,Shanghai Jiaotong University,Shanghai 200030,China)WANG Yi-zhi(Nondestructive Testing Institution of the Shanghai Mechanical Engineering Society,Shanghai 200030,China)

【机构】上海市宝山区特种设备监督检验所；上海交通大学材料学院；上海机械工业学会无损检测学会上海201900；上海200030；

【摘要】使用TSC-1M-4型应力集中磁指示仪测量在不同载荷下钢轨表面磁场强度的变化,得出钢轨的磁场强度随载荷的增加而逐渐增大,且在弹性范围内,磁场强度和载荷为近似线性关系。提出金属磁记忆法可以对钢轨内应力进行定量测量。更多还原

【Abstract】 The facial magnetic strength of railway was tested using magnetic indictor TSC-1M-4 at different loads.Experimental data showed the magnetic strength increased with load and its relation with load was linear within elastic deformation.Therefore metal magnetic memory testing(MMT) equipments could be used in measuring internal stress of seamless railway.更多还原

【关键词】磁记忆检测；无缝钢轨；载荷；内应力；
【Key words】 Magnetic memory testing； Seamless railway； Load； Internal stress；

【文献出处】无损检测 ,Nondestructive Testing , 编辑部邮箱 ,2006年04期

【分类号】TH878.3
【被引频次】10
【下载频次】230

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