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4 铸坯横截面表面至中心不同位置枝晶形貌的OM像

Fig.4 OM images of dendritic etching sample at different areas (schematic shown in Fig.1b)