Nucleation and growth mechanism of bainitic ferrite of 20CrMo steel was investigated by means of QUANTA-400 SEM and nucleation mechanism of atom thermal activation transition was discussed.
应用QUANTA-400型环扫电镜研究了20CrMo钢贝氏体铁素体的形核长大,提出了原子热激活迁移的形核机制。