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对80%冷轧形变量的IF钢板进行不同温度和保温时间的再结晶退火处理,观测了晶粒长大过程中,小晶粒、中等晶粒和大晶粒集合的平均晶粒尺寸和织构演变.结果表明:退火温度显著影响晶粒长大速率和3种尺寸晶粒的织构特征;但在相同温度不同保温时间退火时,3种尺寸晶粒织构类型相似,仅强度随保温时间延长而增强,且不同尺寸晶粒集合的织构和其平均晶粒尺寸间的关系可由经验公式近似描述.
80% cold rolling deformation of IF steel was subjected to recrystallization annealing at different temperatures and holding time. The average grain sizes and weaves of small, medium and large grain aggregates during grain growth were observed The results show that the annealing temperature significantly affects the grain growth rate and the grain size of the three sizes of grains. However, the grain sizes of the three sizes are similar at the same temperature and different annealing time, And the relationship between the texture and the average grain size of the aggregates of different sizes of grains can be approximated by empirical formula.