欢迎登录材料期刊网

材料期刊网

高级检索

308L和347L奥氏体不锈钢焊缝金属能发生氢致滞后断裂,而且比304L母材更敏感.用单边缺口试样动态充氢测出的氢致滞后断裂门槛应力强度因子KIн随可扩散氢浓度c0的对数而线性下降,即KIн=85.2-10.7lnc0(308L),KIH=76.1 9.3lnc0(347L),KIн=91.7-10.1 lnc0(304L).三种材料氢致滞后断口形貌与KI以及c0有关,当KI较高或c0较小时是韧窝断口,当KI较低或c0较高时是脆性断口

参考文献

[1] Chu W Y. Hydrogen Damage and Delayed Fracture, Beijing: Metallurgical Industrial Press, 1988:1598(褚武扬.氢损伤和滞后断裂,北京:冶金工业出版社,1988:1598)
[2] Schuster G, Altstetler C J. Metall Trans, 1983, 14A: 2077
[3] Han G, He J, Fukuyama S, Yokozawa K. Acta Mater, 1998,46, 4559
[4] Holzworth M L. Corrosion, 1969,25:107
[5] Abraham D P, Altstetler C J. Metall Trans, 1995, 26A:2849, 2859
[6] Chu W Y, Yao J, Hsiao C M. Metall Trans, 1984,15A:729
[7] Soxton M I, West A T, Thompson A W. In: Thompson A W, Bernstein I M eds,Effect of Hydrogen on Behavior of Materials, NY: AIME, 1976:631
[8] Chu W Y, Liu T H, Hsiao C M. Corrosion, 1981,37:320
[9] Qiao L J, Chu W Y, Hsiao C M. Corrosion, 1987,43: 479,1988, 44:50
[10] Pan C. Ph D Thesis, Beijing: Central Iron & Steel Research Institute, 2000(潘川.博士学位论文,北京:钢铁研究总院,2000)
[11] Zhang T Y, Chu W Y, Hsiao C M. Metall Trans, 1985;16A: 1649
[12] Chu W Y, Hsiao C M, Zhao X Z. Metall Trans, 1988,19A:1067
[13] Bai X Z, Chu W Y, Hsiao C M. Scripta Metall, 1987, 21:613
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%