Furthermore, both the effect of martensite lath boundaries on the nucleation of dynamic recrystallization, and the mechanism of nucleation and growth of equiaxial nanometer grains were revealed.

• 揭示了马氏体板条界面在温变形过程中对动态再结晶形核的作用，及退火过程中等轴纳米晶粒的形成机制和长大机制。