摘要
采用有限元仿真的方法,分析了提离距离、缺陷宽度和深度以及缺陷在钢丝绳内的深度等参数与漏磁场的关系,得出了提离距离并不是越小越好的结论;并且缺陷宽度与提离距离的和等于漏磁场径向分量峰-峰值间距;漏磁场轴向分量与缺陷深度近似成线性关系;漏磁场轴向分量与缺陷在绳内深度成线性关系。
Finite element simulation was used to analyze the relationship between MFL and the lift-offs, defects＇ width, depth and in-rope depth. It concluded that lift-offs was not the smaller the better; the sum of defects width and lift-offs were equal to the distance of peak-peak at the radial part of MFL; the axial part of MFL and defect depth were in linear relation approximately, so were the defects＇ in-rope depth.
出处
《无损检测》
2009年第3期177-180,共4页
Nondestructive Testing
基金
深圳市科技研究基金资助项目(NSKJ-200709)
关键词
漏磁检测
钢丝绳
有限元方法
缺陷仿真
Magnetic flux leakage testing
Wire rope
Finite element method
Defect simulation
