Effect of manufacturing process on hysteresis loss of motor silicon steel soft magnetic material
WANG Decheng
CUI Ronggao
SONG Mingjian
JIA Xiaoli
REN Wei
WANG Fengshuang
Abstract：In order to study the evolution law of hysteresis loss in the manufacturing process,the advantages and disadvantages of hysteresis loss calculation methods under natural state and with residual stress are compared and analyzed from the aspects of calculation accuracy,applicability,and computational complexity.The development direction of hysteresis loss calculation methods is also analyzed.The results show that smaller tensile stress can improve the magnetic properties of the material,but larger tensile stress leads to a decrease in the magnetic properties of the material.For ferromagnetic materials with residual stress,the hysteresis loss should be calculated using model parameters that vary with peak magnetic induction intensity and stress.For ferromagnetic materials with plastic strain,expressing the non hysteresis magnetization behavior parameters and magnetic domain wall concentration coefficient of the model as a function of dislocation density can effectively predict the hysteresis loss of ferromagnetic materials.The calculation of hysteresis loss in future ferromagnetic materials should consider the coupled effects of residual stress and plastic strain.
Keywords：ferromagnetic materialhysteresis losscalculation methodmanufacture
Publication Date：2025-07-30
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：8( 26-33 )