典型文献
Effect of crystallographic orientation on crack growth behaviour of HSLA steel
文献摘要：
In this work, the crack growth behaviours of high strength low alloy (HSLA) steel E690 with three crystallographic orientations (the rolling direction, normal direction, and transverse direction) were investigated and compared from the view of the mechano-electrochemical ef-fect at the crack tip. The results show that the crack growth of the HSLA steel is controlled by the corrosion fracture at the crack tip. The vari-ation of crystallographic orientation in E690 steel plate has no influence on the crack tip electrochemical reaction and crack growth mechanism, but changes the crack growth rate. When the stress loading direction is parallel to the rolling direction and the fracture layer is parallel to the transverse-normal plane, the crack growth rate is the slowest with a value of 0.0185 mm·h–1. When the load direction and the fracture layer are parallel to the normal direction and the rolling-transverse plane, respectively, the crack growth rate is the highest with a value of 0.0309 mm·h–1. This phenomenon is ascribed to the different microstructural and mechanical properties in the rolling direction, normal direction, and transverse direction of E690 steel plate.
文献关键词：
中图分类号：
作者姓名：
Endian Fan;Yong Li;Yang You;Xuewei Lü
作者机构：
College of Materials Science and Engineering,Chongqing University,Chongqing 400045,China;Corrosion and Protection Center,University of Science and Technology Beijing,Beijing 100083,China;State Key Laboratory of Mechanical Transmissions,Chongqing University,Chongqing 400044,China
文献出处：
引用格式：
[1]Endian Fan;Yong Li;Yang You;Xuewei Lü-.Effect of crystallographic orientation on crack growth behaviour of HSLA steel)[J].矿物冶金与材料学报,2022(08):1532-1542
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AB值：
0.376805
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