Fatigue of stress corrosion cracks in X65 pipeline steels

被引:31
|
作者
Gamboa, E. [1 ]
Linton, V. [1 ]
Law, M. [2 ]
机构
[1] Univ Adelaide, Sch Mech Engn, Adelaide, SA 5005, Australia
[2] Australian Nucl Sci & Technol Org, PMBI, Menai, NSW 2234, Australia
关键词
SCC; pipeline fatigue; crack interaction;
D O I
10.1016/j.ijfatigue.2007.06.006
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
A section of gas pipeline containing stress corrosion cracking (SCC) was removed from service and pressure cycled. SCC cracks were shown to have extended by fatigue. Fatigue crack interaction was found to be a large factor in crack growth characteristics. Crack interaction was found to be influenced by original SCC crack inclination and layout. Fatigue crack growth was found to be independent of original SCC crack profile or aspect ratio. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:850 / 860
页数:11
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