Luoyang;
Ship;
Material;
Research;
Institute,;
Luoyang;
471039,;
Henan,;
China;
China;
Iron;
and;
Steel;
Research;
Institute;
Group,;
Beijing;
100081,;
China;
School;
of;
Materials;
Seienee;
and;
Engineering,;
University;
of;
Seienee;
and;
Technology;
Beijing,;
10083,;
China;
针状铁素体; 铌微合金钢; 微观结构; 轴承钢; 连续冷却转变曲线; 结构变形; 位错运动; 微结构特征;