8Harada S, Tanaka S, Misumi H, et al. A Formation Mechanism of Transverse Cracks on CC Slab Surface[J].ISIJ International, 1990,30:310.
9Yamanaka K,Terasaki F, Ohrani H, et al. Relation Between Hot Ductility and Grain Boundary Embrittlement of Low Carbon KilledSteels[J]. Trans ISIJ, 1980,20 : 810.
10Ouchi C, Matsumoto K. Hot Ductility in Nb-Bearing Hing- Strength Low-Alloy Steels[J].Trans ISIJ. 1982,22: 181.