中碳Nb合金化钢液析碳化物的析出行为

梁炫, 侯廷平, 张东, 谭昕暘, 吴开明

Precipitation Behavior of Primary Carbides in Medium Carbon Nb-Alloyed Steel

LIANG Xuan, HOU Tingping, ZHANG Dong, TAN Xinyang, WU Kaiming

表1 实验用钢的化学成分 (mass fraction / %)

Table 1 Chemical compositions of the tested steels

Sample C Mn Nb P S Fe 0.1Nb 0.2 2.0 0.1 < 0.005 < 0.005 Bal. 0.6Nb 0.2 2.0 0.6 < 0.005 < 0.005 Bal. 1.1Nb 0.2 2.0 1.1 < 0.005 < 0.005 Bal. 1.6Nb 0.2 2.0 1.6 < 0.005 < 0.005 Bal.