热作模具钢DM的高温稳定性和热疲劳性能
施渊吉,于林惠,于照鹏,成功,吴晓春,滕宏春

High Temperature Stability and Thermal Fatigue Behavior of DM Hot Working Die Steel
Yuanji SHI,Linhui YU,Zhaopeng YU,Gong CHENG,Xiaochun WU,Hongchun TENG
表1 DM钢的化学成分
Table 1 Normal chemical composition of DM steel (mass fraction,%)
CMnSiCrMoWVFe
DM0.401.00.32.31.71.71.0Bal.