得出了未溶铁素体含量的影响规律,弄清了未溶铁素体的作用机理.The effect laws of amount of undissolved ferrite has been gained.在拉应力作用下,塑性变形集中在铁素体区.Plastic deformation concentrates at the ferrite area under the tensile stresses.测量了标准图谱中铁素体晶粒度图形的分形维数.Fra...