Combined effect of hydrogen embrittlement and corrosion on the cracking behaviour of C110 low alloy steel in O2-contaminated H2S environment4

被引：22

作者：

Long, Yan ^{[1
,3
]}

Song, Wenwen ^{[2
]}

Fu, Anqing ^{[1
]}

Xie, Junfeng ^{[2
]}

Feng, Yaorong ^{[1
]}

Bai, Zhenquan ^{[1
]}

Yin, Chengxian ^{[1
]}

Ma, Qingwei ^{[1
]}

Ji, Nan ^{[1
]}

Kuang, Xianren ^{[1
]}

机构：

[1] CNPC Tubular Goods Res Inst, State Key Lab Performance & Struct Safety Petr Tu, Xian 710077, Peoples R China

[2] PetroChina Co Ltd, Tarim Oilfield Co, Korla 841000, Peoples R China

[3] China Univ Petr East China, Qingdao 266580, Peoples R China

来源：

CORROSION SCIENCE | 2022年 / 194卷

关键词：

Low alloy steel; STEM; Hydrogen embrittlement; Oxidation; Sulphide cracking; SULFIDE STRESS CRACKING; ELECTROCHEMICAL CORROSION; CRYSTAL-STRUCTURE; LATH MARTENSITE; CARBON-STEEL; X65; STEEL; WATER; MACKINAWITE; RESISTANCE; O-2;

D O I：

10.1016/j.corsci.2021.109926

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The cracking behavior of sulfide stress cracking resistant C110 steel in O-2-contaminated H2S environment was investigated by cracking and corrosion simulation tests. With the increase of O-2 partial pressure, the cracking susceptibility and corrosion rate of C110 steel significantly increased. The O-2 ingress affects the whole cracking behaviour involving a multi-stage process: the oxidation reactions of H2S, the corrosion reactions on the metal surface and the degradation and cracking of martensitic multiscale boundaries. The cracking mechanism of C110 steel in H2S and O-2-containing environment is attributed to the combined effect of hydrogen embrittlement and anodic dissolution.

引用

页数：16

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