高纯稀土对M50钢液析碳化物的影响

邓朝辉, 陈云, 巩桐兆, 徐闯, 陈星秋, 傅排先, 李殿中

Effect of Adding High Purity Rare Earth on Primary Carbide in M50 Steel

DENG Chaohui, CHEN Yun, GONG Tongzhao, XU Chuang, CHEN Xingqiu, FU Paixian, LI Dianzhong

表1 冶炼的三支M50钢锭的成分

Table 1 Composition of the three M50 steel ingots (mass fraction, %)

Samples C Cr Mo V Mn Si O Ce La Fe M50 0.82 4.28 4.11 0.97 0.28 <0.05 0.0009 - - M50-Ce 0.85 4.33 4.32 1.01 0.27 0.05 0.0006 0.11 - Bal. M50-RE 0.83 4.29 4.27 1.00 0.26 0.05 0.0008 0.15 0.076