齿轮钢铸态点状偏析及其在热轧棒材中的演变

张壮, 李海洋, 周蕾, 刘华松, 唐海燕, 张家泉

As-Cast Spot Segregation of Gear Steel and Its Evolution in the Rolled Products

ZHANG Zhuang, LI Haiyang, ZHOU Lei, LIU Huasong, TANG Haiyan, ZHANG Jiaquan

图8 棒材纵、横截面组织形貌OM像与铸坯宏观低倍形貌图

Fig.8 OM images of banded defects in the bar longitudinal section sample (a), spot defect in the bar transverse section sample (b), and hot acid etching morphology of the bloom casting sample B (c)