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1) : 187 ［4］ Maehara Y，Yasumoto K，Tomono H，et al． Surface cracking mechanism of continuously cast low carbon low alloy steel slabs． Mater Sci Technol，1990，6( 9) : 793 ［5］ Szekeres E S． A review of strand casting factors affecting trans￾verse cracking / / Proceedings of the 6th International Conference on Clean Steel． Budapest，2002: 324 ［6］ Dippenaar Ｒ，Moon S C，Szekeres E S． Strand surface cracks: the role of abnormally large prior-austenite grains． Iron Steel Tech￾nol，2007，4( 7) : 105 ［7］ Tsai H T，Yin H，Lowry M，et al． Analysis of transverse corner cracks on slabs and countermeasures． Iron Steel Technol，2006，3 ( 7) : 23 ［8］ Tateyama S． Ｒeduction of fuel consumption by shortening track time of continuously cast bloom． Tetsu to Hagane，1986，72 ( 12) : 1179 ［9］ Watanabe S，Kawasaki S，Moki A，et al． Improvement in the pro￾duction of high grade wire rods and bars by using a billet caster． Ｒev Met Paris，1991，88( 2) : 151 ［10］ Setsuo K，Yasuaki M． High grade bloom continuous casting tech￾nology by Nippon Steel Engineering / / The 8th CSM Annual Meeting Proceedings． Beijing，2011 ［11］ Tercelli C． Surface quenching，an effective tool for hot charging of special steels． Metall Plant Technol Int，1995，18( 1) : 66 ［12］ Watanable S． Yamada N，Sasame K，et al． Ｒeplacement of ex￾isting bloom continuous casting plant by state-of-art-technology / / Proceedings of 7th European Continuous Casting Conference． Düsseldorf，2011 ［13］ Bush M，Cerasi T，Watzinger J，et al． The continuous casting of ultra-wide slab at IPSCO． Metall Ｒes Technol，2002，99 ( 4) : 357 ［14］ Xia W Y，Zhu Z H，Gan Y． Experimental study on crack forma￾tion of micro-alloyed steel during hot charging process． Iron Steel，2011，46( 12) : 29 ( 夏文勇，朱正海，干勇． 微合金钢红送裂纹形成的试验研 究． 钢铁，2011，46( 12) : 29) ［15］ Zhu Z H，Xiao L J，Wang Q，et al． Microstructural evolution of E36 slab during process of continuous casting-conveying-heating． Iron Steel，2014，49( 3) : 29 ( 朱正海，肖丽俊，王强，等． 连铸、输送和加热过程 E36 铸 坯组织的演变． 钢铁，2014，49( 3) : 29) ［16］ Lu Y J，Wang Q，Li J，et al． Effect of the charging temperature on the hot ductility of Nb-containing steel in the simulated hot charge process． Steel Ｒes Int，2012，83( 7) : 671 ［17］ Kang W，Fang E J，Li C，et al． Ｒesearch on direct charging of low alloy steel wide-thick slab． Steelmaking，2014，30( 6) : 57 ( 康伟，方恩俊，李超，等． 低合金钢宽厚铸坯直装工艺研 究． 炼钢，2014，30( 6) : 57) ［18］ Du C W． Surface Morphology and Crack Tendency Control for Mi￾croalloyed Steel Continuous Casting ［Dissertation］． Beijing: University of Science and Technology Beijing，2016 ( 杜辰伟． 微合金钢连铸坯表层组织与裂纹控制技术研究 ［学位论文］． 北京: 北京科技大学，2016) ［19］ Presoly P，Pierer Ｒ，Bernhard C． Identification of defect prone peritectic steel grades by analyzing high-temperature phase trans￾formations． Metall Mater Trans A，2013，44( 12) : 5377 ［20］ Tang P，Luo L Q，Wen G H，et al． Precipitation behaviors of secondary phases in micro-alloy steels during continuous casting simulated by CLSM． Chin J Eng，2015，37( 9) : 1130 ( 唐萍，罗琳青，文光华，等． 基于激光共聚焦显微镜模拟微 合金钢连 铸 过 程 中 第 二 相 的 析 出 行 为． 工 程 科 学 学 报， 2015，37( 9) : 1130) ［21］ Li J． Study on the Microstructure Evolution and Precipitation Be￾haviors during Hot Charging Process for HSLA Steel［Disserta￾tion］． Chongqing: Chongqing University，2013 ( 李江． HSLA 钢连铸板坯热送过程组织演变及析出物行为 研究［学位论文］． 重庆: 重庆大学，2013) · 3481 ·