Effects of tungsten on the hydrogen embrittlement behaviour of microalloyed steels

被引：0

作者：

Zhao, Jingwei ^{[1
]}

Jiang, Zhengyi ^{[1
]}

Lee, Chong Soo ^{[2
]}

机构：

[1] School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, NSW 2522, Australia

[2] Graduate Institute of Ferrous Technology, Pohang University of Science and Technology, Pohang 790-784, Korea, Republic of

来源：

Corrosion Science | 2014年 / 82卷

关键词：

Strain rate - Alloy steel - Steel metallography - Steel metallurgy - Tungsten - Microalloying - Hydrogen embrittlement - Microstructural evolution;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effects of tungsten (W) additions (0, 0.1, 0.5 and 1 wt.%) on the hydrogen embrittlement behaviour of microalloyed steels were systematically investigated by means of slow strain rate tests on circumferentially notched cylindrical specimens, and the mechanism of hydrogen-induced embrittlement was discussed. W addition is found to increase the activation energy of hydrogen desorption. Microstructural features affect the hydrogen embrittlement behaviour and fracture modes of microalloyed steels. It is suggested that the hydrogen-induced embrittlement in the studied microalloyed steels with different W additions is caused by the combined effects of decohesion and internal pressure in the presence of hydrogen. © 2014 Elsevier Ltd.

引用

页码：380 / 391