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8 一次淬火+高温回火保温不同时间后GCr15轴承钢的EBSD相组成

Fig.8 EBSD phase map of GCr15 bearing steel after first quenching and high-temperature tempering at 700 oC for SP1 (a) and SP4 (b)