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()
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图12. DM钢热疲劳循环3000次后TEM碳膜复型图像
Fig.12. TEM images of DM steel after 3000 thermal cycles by carbide extraction replica technique (a) 300 X; (b) 10000 X; (c) diffraction patterns of the region c in fig.12 (b); (d) diffraction patterns of the region d in fig.12 (b)
