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9 二次淬火+低温回火后GCr15轴承钢中元素的分布
Fig.9 Elemental mapping of GCr15 bearing steel after secondary quenching and low-temperature tempering treatment (a-c) QT1, (d-f) QT4