Funded by the National Natural Science Foundation of China (50475125);the Universities Natural Science Fund Key Project of Jiangsu Province(04KJA430021)
MnS, MnS+V(C, N) complex precipitates in micro-alloyed ultra-fine grained steels were precisely analyzed to investigate the grain refining mechanism. The experimental results shows that MnS, MnS+V(C, N) precipit...