圆坯方坯凝固定律的导出和验证

金属学报, 2004, 40(3): 281-284.

圆坯方坯凝固定律的导出和验证

张兴中 , 那贤昭 , 王忠英 , 刘爱强 , 干勇

钢铁研究总院连铸技术国家工程研究中心

National Engineering Research Center of Continuous Casting Technology

Central Iron and Steel Research Institute

关键词：凝固 , round bloom , square bloom

Deduction and Validation of Solidification Law for Round and Square Blooms

ZHANG Xingzhong , NA Xianzhao , WANG Zhongying , LIU Aiqiang , GAN Yong

Keywords： solidification , 圆坯 , 方坯

经典的凝固平方根定律一般不适合于描述圆坯和方坯的连铸凝壳长大过程,本文推导了圆坯凝壳长大的圆坯凝固方程, 圆坯凝固方程也适用于方坯凝壳长大过程, 可称为圆方坯凝固定律. 经实测数据验证, 圆方坯凝固定律能够较准确地表达连铸坯凝固过程.

Traditional solidification square root law is not fit for describing solidification process of round bloom and square bloom. A new solidification formula of round bloom, was deduced, which is also fit for the solidification process of square bloom, so it is called solidification law of round and square blooms. The correctness of the above formula was verified by the experiment result.

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