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为了研究半固态钢铁材料轧制成形工艺,采用60Si2Mn弹簧钢作为实验材料,对其进行1道次的半固态轧制变形,研究了半固态浆料轧制前、后的组织变化,明确了在轧制变形区中半固态浆料的组织变化特征.研究结果表明:经1道次半固态轧制变形后,半固态浆料的组织得到明显改善,同时半固态浆料中的液、固相产生分离,固相颗粒大多聚集在轧件的中间区域,液相主要流向轧件的边部而导致液相偏析,使轧制产品的边部和中部的组织分布不同;当固相率达到一定值时,固相颗粒才发生塑性变形,被压扁拉长.

参考文献

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