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通过实验观察及热力学计算，研究了CSP低碳微Ti钢中的Ti(C，N)析出．实验观察到大量15～30nm的Ti(C，N)第二相粒子，它们在铸坯均热保温和前两道次的热轧中析出并长大充分；均热前CSP铸坯中只有很少量尺寸约大于50nm的TiN粒子析出，铸坯中观察不到微米级的大块TiN夹杂．研究结果表明，CSP工艺下粒子析出行为同传统工艺相比发生了变化，所以微量Ti在钢中的作用也有很大不同．
Through experimental observation and thermodynamic calculation, Ti (C, N) precipitation in CSP low carbon micro-Ti steels was studied. A large number of Ti (C, N) second phase particles of 15 ~ 30nm were observed in the experiment, which were precipitated and grown in the hot rolling of the slab and the first two passes respectively. A small amount of TiN particles with a size larger than about 50 nm were precipitated, and no microscopic TiN inclusions were observed in the slab. The results show that the particle precipitation behavior under CSP process has changed compared with the traditional process, so the role of trace Ti in steel is also very different.