针对某钢厂2250热连轧机组的轧制工艺条件,对热轧过程中超低碳钢直角和倒角坯角部变形和温度分布进行了研究,得出不同轧制条件下倒角坯形状变化规律,给出了不同轧制位置处温度分布的变化曲线,并对比了倒角坯和直角坯温度分布和角部变形特点.研究结果表明倒角坯角部形状遗传到精轧之前,并且倒角坯角部温度在轧制过程中变化更为均匀,对精轧角部变形更为有利,从而改善热轧带钢边直裂缺陷,为边直裂研究提供理论基础.
参考文献
| [1] | 彭胜堂,李国彬,程方武,涂立均,孙云虎.中厚板和连铸坯表面裂纹研究[J].钢铁,2004(z1):342-345. |
| [2] | Yuhua Song;Yongnian Yan;Renji Zhang .Manufacture of the die of an automobile deck part based on rapid prototyping and rapid tooling technology[J].Journal of Materials Processing Technology,2002(1/3):237-242. |
| [3] | C. G. SUN;H. N. HAN;J. K. LEE .A Finite Element Model for the Prediction of Thermal and Metallurgical Behavior of Strip on Run-out-table in Hot Rolling[J].ISIJ International,2002(4):392-400. |
| [4] | S. X. Zhou .An integrated model for hot rolling of steel strips[J].Journal of Materials Processing Technology,2003(3):338-351. |
| [5] | Y. Lee;S. Choi;P. D. Hodgson .Integrated model for thermo-mechanical controlled process in rod (or bar) rolling[J].Journal of Materials Processing Technology,2002(0):678-688. |
| [6] | Jinshan LIU;Akira YANAGIDA;Sumio SUGIYAMA .The Analysis of Phase Transformation for the Prediction of Microstructure Change after Hot Forming[J].ISIJ International,2001(12):1510-1516. |
| [7] | Gibbs R K;Parker B A;Hodgson P D.Prediction of ferrite grain size in Niobium microalloyed controlled rolled steels[J].International Symposium on Low-Carbon Steels for the 90 's,1993:173-179. |
| [8] | 王廷溥;齐克敏.金属塑性加工学[M].北京:冶金工业出版社,1998:38-46. |
| [9] | 李学通,杜凤山,吴建峰.孔型立辊调宽轧制的三维刚塑性有限元研究[J].上海金属,2005(01):31-34. |
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