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1 铸坯实验取样示意图

Fig.1 Schematics of bloom casting hot acid etching sample (a) and its dendritic etching samples (b) (unit: mm)