Inhibitory effect of oxygen on hydrogen-induced fracture of A333 pipe steel

被引：53

作者：

Komoda, Ryosuke ^{[1
]}

Kubota, Masanobu ^{[2
]}

Staykov, Aleksandar ^{[2
]}

Ginet, Patrick ^{[3
]}

Barbier, Francoise ^{[4
]}

Furtado, Jader ^{[5
]}

机构：

[1] Fukuoka Univ, Mech Engn, Fukuoka, Fukuoka, Japan

[2] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Hydrogen Mat Compatibil, Fukuoka, Fukuoka, Japan

[3] KK Air Liquide Labs, H2 Energy World Business Unit, Tsukuba, Ibaraki, Japan

[4] Air Liquide R&D Ctr Rech Paris Saclay, R&D Sci Direct, Les Loges En Josas, France

[5] Air Liquide R&D Ctr Rech Paris Saclay, Mat Design & Mfg Grp, Les Loges En Josas, France

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2019年 / 42卷 / 06期

基金：

日本学术振兴会;

关键词：

fracture toughness; hydrogen embrittlement; inhibitor; oxygen; pipe steel; FATIGUE-CRACK-GROWTH; HIGH-PRESSURE HYDROGEN; AUSTENITIC STAINLESS-STEELS; THRESHOLD STRESS INTENSITY; GASEOUS-HYDROGEN; FRETTING FATIGUE; CARBON-STEELS; CR-MO; ENVIRONMENT EMBRITTLEMENT; ASSISTED CRACKING;

D O I：

10.1111/ffe.12994

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The effect of oxygen contained in hydrogen gas environment as an impurity on hydrogen environment embrittlement (HEE) of A333 pipe steel was studied through the fracture toughness tests in hydrogen gases. The oxygen contents in the hydrogen gases were 100, 10, and 0.1 vppm. A significant reduction in the J-Delta a curve was observed in the hydrogen with 0.1-vppm oxygen. Under given loading conditions, the embrittling effect of hydrogen was completely inhibited by 100 vppm of oxygen. In the case of the hydrogen with 10-vppm oxygen, initially the embrittling effect of hydrogen was fully inhibited, and then subsequently appeared. It was confirmed that 1-vppm oxygen reduced the embrittling effect of hydrogen. The results can be explained by the predictive model of HEE proposed by Somerday et al.

引用

页码：1387 / 1401

页数：15

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