The results showed that central porosity 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
Directional solidification could improve hot rolling formability of magnesium ingot effectively. The total deformation could reach 94% without cracking when hot rolling was held at 673k.