钼钨系高导热率热作模具钢高温性能
李爽1,2,3,吴晓春1,2,3(),黎欣欣1,2,3,何西娟1,2,3
High Temperature Performance of a Mo-W Type Hot Work Die Steel of High Thermal Conductivity
Shuang LI1,2,3,Xiaochun WU1,2,3(),Xinxin LI1,2,3,Xijuan HE1,2,3

图6. 两种模具钢在620℃保温20 h后的硬度-温度曲线

Fig.6. Hardness dependent on time curve of the two diesteels after 20 h of tempering at 620℃