钒微合金化中锰马氏体耐磨钢奥氏体晶粒长大行为

韩汝洋, 杨庚蔚, 孙新军, 赵刚, 梁小凯, 朱晓翔

Austenite Grain Growth Behavior of Vanadium Microalloying Medium Manganese Martensitic Wear-Resistant Steel

HAN Ruyang, YANG Gengwei, SUN Xinjun, ZHAO Gang, LIANG Xiaokai, ZHU Xiaoxiang

表1 不同温度下保温600、1800和3600 s后试样中第二相粒子体积分数 (volume fraction / %)

Table 1 Volume fractions of second phase particles of samples after holding at different heating temperatures for 600 s, 1800 s, and 3600 s

Time / s 820oC 850oC 900oC 950oC 600 0.315 ± 0.025 0.231 ± 0.032 0.126 ± 0.036 0.049 ± 0.013 1800 0.273 ± 0.037 0.211 ± 0.033 0.086 ± 0.029 0.037 ± 0.012 3600 0.265 ± 0.043 0.169 ± 0.038 0.046 ± 0.021 0.023 ± 0.006