The recrystallization,austenization and overaging of cold rolled strip during continuous annealing were investigated by optical microscopy and scanning electron microscopy.

• 采用光学显微镜与扫描电镜观察分析了实验钢冷轧组织在连续退火过程中的再结晶与相变规律,研究了过时效回火对双相钢显微组织的影响。