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 借助X-射线三维取向分布函数（ODF）研究了低碳冷轧用热轧卷板在奥氏体区热轧的织构特征及其沿板宽和板厚方向的变化规律。结果表明：热轧板卷表层、1/4层和1/2层的主织构分别为{110}<111>和{001}<110>织构。热轧板卷沿板宽方向的边部的织构强度相对较高的原因是由于热轧时板卷的边部的冷却速度较快所致。热轧板卷表层织构沿板宽方向的变化的规律性不强主要是因为该层的变形量较小且变形状态复杂及其温度变化较大造成的。热轧板卷头部的平均织构强度弱，尾部的平均织构强度高，这是由于热轧板卷尾部的温度相对较低所致。

Texture Characteristics of Austenitic Areas of Hot-Rolled IF Steel

Texture characteristics of austenitic zone along plate width and thickness directions of hot-rolled low carbon steel sheet were studied by means of X-ray orientation distribution function（ODF）.The results showed that： the main textures of in surface,1/4 layer and 1/2 layer of austenitic zone of hot-rolled low carbon steel sheet are {110} 111 and {001} 110 texture.The textures intensity in edge of austenitic zone of the steel sheet increase clearly because cooling speeds of the steel sheet at edge is fast.The surface texture of the steel sheet does not change strongly along plate width direction,mainly because of smaller deformation level and complexity of deformation and big temperature change.The average texture intensity at head of austenitic zone of hot-rolled low carbon steel sheet is weaker,while the average texture intensity at tail of austenitic of hot-rolled low carbon steel sheet is higher,the reason is that relativity temperature at tail of the austenitic of hot-rolled low carbon steel sheet is lower than that in the head of the austenitic zone hot-rolled low carbon steel sheet.