Crystal energy, magnetoelastic energy,and magnetic field enersy all haveeffects on magnetic property of ferromagnetic material.With the purpose oftesting thermal stress in rails, this paper presented an analysis for t...Crystal energy, magnetoelastic energy,and magnetic field enersy all haveeffects on magnetic property of ferromagnetic material.With the purpose oftesting thermal stress in rails, this paper presented an analysis for the relationsamong these energy. According to the characteristics of the thermal stress,emphasis was given to the analysis of magnetic anisotropy induced by uniaxialstress in rail. The range of magnetic field strength that is suitable to measuringthermal stress was experimentally determined. The results show that withincertaiu range of field strength testins current varies almost quite linearly withthe stress .and it agrees well with the theoretical analysis.展开更多
文摘Crystal energy, magnetoelastic energy,and magnetic field enersy all haveeffects on magnetic property of ferromagnetic material.With the purpose oftesting thermal stress in rails, this paper presented an analysis for the relationsamong these energy. According to the characteristics of the thermal stress,emphasis was given to the analysis of magnetic anisotropy induced by uniaxialstress in rail. The range of magnetic field strength that is suitable to measuringthermal stress was experimentally determined. The results show that withincertaiu range of field strength testins current varies almost quite linearly withthe stress .and it agrees well with the theoretical analysis.
