1.With the increasing of casting temperature, the dendrites grew fast, which could spheroidize and fine partial austenite with worse circularity and bigger size.
浇注温度提高，枝晶臂的长大速度增大，上述物理冶金作用能够部分细化球化奥氏体，但其圆整度较差，尺寸较大。
2.With the increasing of casting temperature, the dendrites grew fast, which could spheroidize and fine partial austenite with worse circularity and bigger size.
浇注温度提高，枝晶臂的长大速度增大，上述物理冶金作用能够部分细化球化奥氏体，但其圆整度较差，尺寸较大。