Experimental comparison of gaseous and electrochemical hydrogen charging in X65 pipeline steel using the permeation technique

被引：35

作者：

Koren, Erik ^{[1
]}

Hagen, Catalina M. H. ^{[2
]}

Wang, Dong ^{[1
]}

Lu, Xu ^{[1
]}

Johnsen, Roy ^{[1
]}

Yamabe, Junichiro ^{[3
]}

机构：

[1] NTNU, Dept Mech & Ind Engn, N-7491 Trondheim, Norway

[2] SINTEF, Richard Birkelandsvei 2B, N-7465 Trondheim, Norway

[3] Fukuoka Univ, Dept Mech Engn, 8-19-1 Nanakuma,Jonan Ku, Fukuoka 8140180, Japan

来源：

CORROSION SCIENCE | 2023年 / 215卷

关键词：

A; Low alloy steel; B; Hydrogen permeation; Galvanostatic; C; Hydrogen embrittlement; Hydrogen absorption; DIFFUSION; TRANSPORT; EMBRITTLEMENT; PERMEABILITY; SOLUBILITY; PRESSURE; SURFACE; ENTRY; IRON; SUSCEPTIBILITY;

D O I：

10.1016/j.corsci.2023.111025

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein, hydrogen uptake and diffusivity in X65 pipeline steel were investigated using the permeation technique under different hydrogen charging conditions. Hydrogen charging was performed using hydrogen gas at different pressures, and electrochemical charging was performed at different cathodic current densities. The results revealed that both the sub-surface hydrogen concentration in lattice and reversible trap sites and the effective hydrogen diffusivity were dependent on the charging conditions. Moreover, the relationship between equivalent hydrogen fugacity and overpotential was determined.

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页数：10

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