The results show that the openness and shape of funnel mold are critical for formation of longitudinal cracking. The optimized funnel shape has relation to the slab thickness.
结果表明：漏斗型结晶器的开口度和漏斗曲线对纵裂的形成有重要影响，漏斗曲线的优化与铸坯出口厚度有关。
The causes of surface longitudinal cracking were analyzed. Countermeasures were put forward based on the production practices of thin slab casting and rolling at Tonghua Steel Co.
分析了连铸薄板坯表面纵向裂纹的产生原因，结合通钢薄板坯生产实际情况，提出了改进措施。
The failure process and mode has been observed, and load-displacement curves, cracking and ultimate load, and the strain of longitudinal and transverse steels have been recorded.
试验中，观测了试件的破坏全过程及破坏形态等，记录了荷载—位移滞回曲线、开裂荷载、极限荷载、箍筋和纵筋的应变等数据。
The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.
结果表明：非金属夹杂物超标是导致管坯表面产生纵向裂纹的主要原因。
The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.
结果表明：非金属夹杂物超标是导致管坯表面产生纵向裂纹的主要原因。
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