The magnetic leakagefield distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
利用磁偶极子理论,建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
2
Under different longitudinal magnetization, the shape and characteristic of the zero value line of the normal component for the magnetic leakagefield which was an important criteria...
分析了不同纵向磁化强度下,作为磁记忆检测方法重要判据的磁场法向零值线形状及分布特点。
3
The magnetic memory method, through examining the leakage magnetic field on the surface of the parts, can effectively find out the defects in fillet joints, which can diminish the leakage.