热作模具钢DM的高温稳定性和热疲劳性能
施渊吉1,于林惠1,于照鹏2,成功1,吴晓春3,滕宏春1(
)
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High Temperature Stability and Thermal Fatigue Behavior of DM Hot Working Die Steel
SHI Yuanji1,YU Linhui1,YU Zhaopeng2,CHENG Gong1,WU Xiaochun3,TENG Hongchun1()
)
图14. 热疲劳循环不同周次后碳化物的尺寸分布
Fig.14. Diameter distribution of carbides after different thermal cycles (a) 0 cycle, (b) 600 cycles, (c) 2000 cycles and (d) 3000 cycles
