冷却速率对管线钢中非金属夹杂物成分演变的影响

张月鑫, 王举金, 杨文, 张立峰

Effect of Cooling Rate on the Evolution of Nonmetallic Inclusions in a Pipeline Steel

ZHANG Yuexin, WANG Jujin, YANG Wen, ZHANG Lifeng

图6 管线钢凝固冷却过程中物相的转变和夹杂物热力学平衡成分随温度的变化

Fig.6 Evolutions of phase (a) and thermodynamic composition of inclusions (b) in the pipeline steel over temperature during steel solidification and cooling (w(i)—mass fraction of element i, T.—total, l—liquid, s—solid)