Effects of Hydrogen Charging Time and Pressure on the Hydrogen Embrittlement Susceptibility of X52 Pipeline Steel Material

被引：0
|
作者：
Hong-Jiang Wan
Xiao-Qi Wu
Hong-Liang Ming
Jian-Qiu Wang
En-Hou Han
机构：
[1] University of Science and Technology of China,School of Materials Science and Engineering
[2] Chinese Academy of Sciences,CAS Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research
[3] Northeastern University,School of Materials Science and Engineering
[4] Institute of Corrosion Science and Technology,undefined
来源：
Acta Metallurgica Sinica (English Letters) | 2024年 / 37卷
关键词：
Hydrogen embrittlement; X52 pipeline steel material; Tubular specimen; Hydrogen charging time; Hydrogen charging pressure;
D O I：
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中图分类号：
学科分类号：
摘要：
The effects of hydrogen charging time and pressure on the hydrogen embrittlement (HE) susceptibility of X52 pipeline steel material are studied by slow strain rate tensile tests. The fracture morphologies of the specimens are observed by scanning electron microscopy. The HE susceptibility of the X52 pipeline steel material increases with an increase in both hydrogen charging time and hydrogen pressure. At a charging time of 96 h, the HE susceptibility index reaches 45.86%, approximately 3.6 times that at a charging time of 0 h. Similarly, a charging pressure of 4 MPa results in a HE susceptibility index of 31.61%, approximately 2.5 times higher than that at a charging pressure of 0.3 MPa.
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页码：293 / 307
页数：14
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