升温过程中Nb和Nb-Mo微合金化钢中碳化物的析出行为研究

张正延, 李昭东, 雍岐龙, 孙新军, 王振强, 王国栋

PRECIPITATION BEHAVIOR OF CARBIDE DURING HEATING PROCESS IN Nb AND Nb-Mo MICRO-ALLOYED STEELS

ZHANG Zhengyan, LI Zhaodong, YONG Qilong, SUN Xinjun, WANG Zhenqiang, WANG Guodong

表1 实验用含Nb和Nb-Mo微合金钢的化学成分

Table 1 Chemical compositions of Nb and Nb-Mo microalloyed steels

Steel C Mn P S Si Al Mo Ti Nb N B Fe Nb 0.036 1.35 ≤0.0034 ≤0.0057 0.024 0.012 - 0.010 0.1 0.004 0.0012 Bal. Nb-Mo 0.042 1.38 ≤0.0040 ≤0.0060 0.016 0.014 0.19 0.015 0.1 0.004 0.0010 Bal.