GCr15轴承钢中渗碳体粒径的调控对其硬度的影响

刘晶, 李云杰, 秦煜, 李琳琳

Influence of Particle Size Control of Cementite on Hardness of GCr15 Bearing Steel

LIU Jing, LI Yunjie, QIN Yu, LI Linlin

图2 一次淬火+高温回火保温不同时间后GCr15轴承钢的SEM照片

Fig.2 SEM images of GCr15 bearing steel after first quenching and high-temperature tempering at 700 oC for SP1 (a), SP2 (b), SP3 (c) and SP4 (d)