冷速对高碳铬轴承钢液析碳化物凝固析出机制的影响
李闪闪, 陈云, 巩桐兆, 陈星秋, 傅排先, 李殿中

Effect of Cooling Rate on the Precipitation Mechanism of Primary Carbide During Solidification in High Carbon-Chromium Bearing Steel
LI Shanshan, CHEN Yun, GONG Tongzhao, CHEN Xingqiu, FU Paixian, LI Dianzhong
图5 不同冷速下GCr15SiMn钢铸态显微组织的OM像
Fig.5 OM images of as-cast GCr15SiMn steel under different cooling rates (Arrows indicate the isolated primary carbides)
(a) 0.1oC/min (b) 1oC /min (c) furnace cooling (d) air cooling