2Byun J S, Shin J H, Cho Y W. Non-metallic inclusion and in- tragranular nucleation of ferrite in Ti-killed c-inn steel[J]. Acta Material, 2003(51) : 1593.
3Kondo Y. Behaviour of copper during high temperature oxi- dation of steel containing copper[J]. ISIJ Int, 2004, 44(9): 1756.
4Matsuoka H, Osawa K, Ono M. Influence of Cu and Sn on hot ductility of steels with various C content[J]. ISIJ Int, 1997, 37(3): 255.
5Chen R Y, Yuen W Y D. Copper enrichment behaviour of copper-containing steels in simulated thin-slab casting proces- ses[J]. ISIJ Int, 2005, 45(6) : 807.
6Salter W J M ,Pickering F B. Modification of oxygen and sul- phur inclusions in steel by calcium treatment[J]. J Iron Steel Inst, 1969, 207(9) :992.
