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

图13 不同加热温度范围内ln(D $_{t}^{n}$ - D $_{0}^{n}$ )与lnt和1 / T的线性拟合关系

Fig.13 Relationship of ln(D $_{t}^{n}$ - D $_{0}^{n}$ ) with lnt linearly fitted (a, b) and 1 / T linearly fitted (c, d) at various heating temperature ranges (D_t —average grain size, D₀—initial grain size, t—holding time, T—heating temperature)
(a, c) 820-880^oC (b, d) 900-1000^oC