·1688 工程科学学报，第43卷，第12期 [30]Du Y Z,Li L,Wang QZ,et al.Analysis of slab temperature and B,2004,35(6):1151 stress under single roll heavy pressing for extra thick slab [35]Cai ZZ,Ji C,Wang W L,et al.Study on crack sensitivity of Continuous Cast,2021,46(1):47 solidified billet shell in thick and wide slab continuous casting (杜一哲，李丽，汪勤政，等.特厚板坯单辊重压下铸坯温度与应 mould I 2012 Symposium on Crack Control Technology for 力的分析.连铸，2021,46(1)：47) Continuous Casting of Micro alloyed Steel.Jiujiang,2012:22 [31]Kelly JE,Michalek K P.O'connorTG,et al.Initial development (蔡兆镇，祭程，王卫领，等，宽厚板坯连铸结品器内凝固坯壳裂 of thermal and stress fields in continuously cast steel billets.Metall 纹敏感性研究∥2012年微合金钢连铸裂纹控制技术研讨会论 Trans A,1988,19(10):2589 文集.九江，2012：22) [32]Hu W G,Ji C,Zhu M Y.Numerical simulation of continuous [36]Hu P,Zhang H,Zhang X Z,et al.Application of a comer chamfer casting bloom solidification end reduction process for heavy-hau railway rails.Continuous Cast,2021,46(4):2 to steel billets to reduce risk of internal cracking during casting with soft reduction./SI//nt,2014,54(10):2283 (胡文广，祭程，朱苗勇，重轨钢连铸大方坯凝固末端压下过程 的数值模拟.连铸，2021,46(4)：2) [37]Won Y M,Yeo T J,Seol D J,et al.A new criterion for internal [33]Clyne T W,Wolf M,Kurz W.The effect of melt composition on crack formation in continuously cast steels.Metall Mater Trans B, solidification cracking of steel,with particular reference to 2000,31(4):779 continuous casting.Metall Trans B,1982,13(2):259 [38]Cai KK.The Quality Control of the Continuous Casting Billet. [34]Li C S,Thomas B G.Thermomechanical finite-element model of Beijing:Metallurgical Industry Press,2010 shell behavior in continuous casting of steel.Metall Mater Trans (蔡开科.连铸坯质量控制.北京：治金工业出版社，2010)Du Y Z, Li L, Wang Q Z, et al. Analysis of slab temperature and stress under single roll heavy pressing for extra thick slab. Continuous Cast, 2021, 46（1）: 47 （杜一哲, 李丽, 汪勤政, 等. 特厚板坯单辊重压下铸坯温度与应 力的分析. 连铸, 2021, 46（1）：47） [30] Kelly J E, Michalek K P, O’connor T G, et al. Initial development of thermal and stress fields in continuously cast steel billets. Metall Trans A, 1988, 19（10）: 2589 [31] Hu W G, Ji C, Zhu M Y. Numerical simulation of continuous casting bloom solidification end reduction process for heavy-haul railway rails. Continuous Cast, 2021, 46（4）: 2 （胡文广, 祭程, 朱苗勇. 重轨钢连铸大方坯凝固末端压下过程 的数值模拟. 连铸, 2021, 46（4）：2） [32] Clyne T W, Wolf M, Kurz W. The effect of melt composition on solidification cracking of steel, with particular reference to continuous casting. Metall Trans B, 1982, 13（2）: 259 [33] Li C S, Thomas B G. Thermomechanical finite-element model of shell behavior in continuous casting of steel. Metall Mater Trans [34] B, 2004, 35（6）: 1151 Cai Z Z, Ji C, Wang W L, et al. Study on crack sensitivity of solidified billet shell in thick and wide slab continuous casting mould // 2012 Symposium on Crack Control Technology for Continuous Casting of Micro alloyed Steel. Jiujiang, 2012: 22 （ 蔡兆镇, 祭程, 王卫领, 等. 宽厚板坯连铸结晶器内凝固坯壳裂 纹敏感性研究 // 2012年微合金钢连铸裂纹控制技术研讨会论 文集. 九江, 2012: 22） [35] Hu P, Zhang H, Zhang X Z, et al. Application of a corner chamfer to steel billets to reduce risk of internal cracking during casting with soft reduction. ISIJ Int, 2014, 54（10）: 2283 [36] Won Y M, Yeo T J, Seol D J, et al. A new criterion for internal crack formation in continuously cast steels. Metall Mater Trans B, 2000, 31（4）: 779 [37] Cai K K. The Quality Control of the Continuous Casting Billet. Beijing: Metallurgical Industry Press, 2010 （ 蔡开科. 连铸坯质量控制. 北京: 冶金工业出版社, 2010） [38] · 1688 · 工程科学学报，第 43 卷，第 12 期