研究了冷轧压下量对钒微合金化TRIP钢组织性能的影响.结果表明,增加冷轧压下量,连续退火试样中铁素体体积分数减少,贝氏体体积分数增多;块状残留奥氏体晶粒尺寸有所减小,体积分数增多,达到16.2％,大多弥散地分布于晶界处;直径大多在3 ～ 10 nm之间的细小V(C,N)析出粒子弥散分布于基体组织,并与高密度位错交互作用而钉扎位错.冷轧压下量增加至83.6％,强度增加,尤其屈服强度增加了150 MPa;伸长率和强塑积均提高,强塑积达到24603 MPa·％.
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