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7 二次淬火+低温回火后GCr15轴承钢中球状渗碳体的粒径统计
Fig.7 Statistical diagram of spherical cementite particle size of GCr15 bearing steel after secondary quenching and low-temperature tempering treatment (a) QT1, (b) QT2, (c) QT3, (d) QT4