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
表2 二次淬火+低温回火后GCr15轴承钢中各相的含量
Table 2 Content of each phase of GCr15 bearing steel after secondary quenching and low-temperature tempering treatment (mass fraction, %)
SampleVθVγVM
QT14.228.467.4
QT24.922.472.7
QT36.419.474.2
QT46.716.177.2