利用扫描电镜、x射线衍射和电子背散射衍射技术研究了微碳DP钢在连续退火加热段的组织与织构演变.结果表明:热轧组织为铁素体加退化态珠光体,冷轧过程中铁素体被拉长并出现一定量的形变带;再结晶初期(720℃到750℃),多边形铁素体体积分数约30％,形变带易诱发{001}～{112}＜110＞取向晶粒优先形核与长大;再结晶后期(750℃到780℃),铁素体完全再结晶,硬质相逐渐溶解,＜111＞//ND纤维晶粒逐渐吞噬＜110＞//RD晶粒而长大.{001}＜110＞取向密度在再结晶初期和相变阶段剧烈增加,而相变对＜111＞//ND织构影响较小.
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