Fig. 1. Comparison of initial - curves calculated by different models:　(a) Our theoretical model; (b) J-A model; (c) Z-L model; (d) correlation coefficients of different models 单次磁化条件下不同模型计算得到的 - 曲线对比　(a)修正模型计算结果; (b) J-A模型计算结果; (c) Z-L模型计算结果; (d)不同模型计算结果与试验结果相关系数对比

Fig. 2. Hysteresis loops predicated by modified model and J-A model under different loading stresses:　(a) Our modified model for 0.003 wt% C sample; (b) J-A model for 0.003 wt% C sample; (c) our modified model for 0.15 wt% C sample; (d) J-A model for 0.15 wt% C sample不同应力条件下修正模型和J-A模型磁滞回线计算结果的对比　(a)含碳量为0.003%时修正模型计算结果; (b)含碳量为0.003%时J-A模型计算结果; (c)含碳量为0.15%时修正模型计算结果; (d)含碳量为0.15%时J-A模型计算结果

Fig. 3. Hysteresis loops predicated by modified model and J-A model under different residual plastic deformation:　(a) Our modified model for 0.003 wt% C sample; (b) J-A model for 0.003 wt% C sample; (c) our modified model for 0.15 wt% C sample; (d) J-A model for 0.15 wt% C sample不同残余塑性变形条件下修正模型和J-A模型磁滞回线计算结果的对比　(a)含碳量0.003%时修正模型计算结果; (b)含碳量0.003%时J-A模型计算结果; (c)含碳量0.15%时修正模型计算结果; (d)含碳量0.15%时J-A模型计算结果

Fig. 4. Effects of elastic stress on hysteresis loops, coercivity and remanence:　(a) Effect of elastic tensile stress on hysteresis loop; (b) effect of elastic compressive stress on hysteresis loop; (c) effect of elastic tensile and compressive stress on coercivity; (d) effect of elastic tensile and compressive stress on remanence弹性应力对磁滞回线、矫顽力及剩余磁感应强度的影响　(a)弹性拉应力对磁滞回线的影响; (b)弹性压应力对磁滞回线的影响; (c)弹性拉、压应力对矫顽力的影响; (d)弹性拉、压应力对剩余磁感应强度的影响

Fig. 5. Effects of plastic deformation on hysteresis loops, coercivity and remanence:　(a) Effect of plastic tensile deformation on hysteresis loop; (b) effect of plastic compressive deformation on hysteresis loop; (c) effect of plastic tensile and compressive deformation on coercivity; (d) effect of plastic tensile and compressive deformation on remanence塑性应变对磁滞回线、矫顽力及剩余磁化强度的影响　(a)拉伸塑性应变对磁滞回线的影响; (b)压缩塑性变形对磁滞回线的影响; (c)塑性变形对矫顽力的影响; (d)塑性变形对剩余磁感应强度的影响

Table 1. Correlation coefficients of initial magnetization curve predicated by different models. 不同模型的相关系数 比较

Table 2. Correlation coefficients of hysteresis loops predicated by different models under loading condition. 加载条件下不同模型计算得到的磁滞回线与试验曲线相关系数 比较

Table 3. Correlation coefficients of hysteresis loops predicated by different models under different residual plastic deformation. 卸载条件下不同模型计算得到的磁滞回线与试验曲线相关系数 比较