The results showed that centralporosity and ingot shape segregate were the major causes of the cracking.
压圈原材料中心疏松及锭型偏析是导致裂纹形成的主要原因。
2
Hence, when the slab is subjected to the liquid core pre-rolling, it will be possible to obtain a refinement of the internal structure by reducing the centralporosity as well as the segregation.