过热度对轴承钢凝固组织整体形貌特征及渗透率的影响
曹江海, 侯自兵, 郭中傲, 郭东伟, 唐萍

Effect of Superheat on Integral Morphology Characteristics of Solidification Structure and Permeability in Bearing Steel Billet
CAO Jianghai, HOU Zibing, GUO Zhongao, GUO Dongwei, TANG Ping
图3 过热度为35℃时铸坯横断面不同位置的低倍组织
Fig.3 Macrostructures of samples 1#-20# (a-t) at different locations of billet under 35oC superheat