Application of the Electrochemical Permeation Method for Hydrogen Diffusion Coefficient Determination in Pipeline Steel 10G2

被引：0

作者：

Borodin, Vladislav I. ^{[1
]}

Lun-Fu, Aleksandr V. ^{[1
]}

Kudiiarov, Victor N. ^{[2
]}

Lider, Andrey M. ^{[2
]}

Sakvin, Ivan S. ^{[2
]}

Bubenchikov, Mikhail A. ^{[1
]}

Kaparulin, Dmitry S. ^{[3
]}

Ovchinnikov, Vyacheslav A. ^{[4
]}

机构：

[1] LLC Gazprom Transgaz Tomsk, 9 Frunze St, Tomsk 634029, Russia

[2] Natl Res Tomsk Polytech Univ, Div Expt Phys, Tomsk 634050, Russia

[3] Natl Res Tomsk State Univ, Dept Quantum Field Theory, 36 Lenin Ave, Tomsk 634050, Russia

[4] Natl Res Tomsk State Univ, Dept Phys & Computat Mech, 36 Lenin Ave, Tomsk 634050, Russia

来源：

COATINGS | 2021年 / 11卷 / 10期

关键词：

pipeline steel; corrosion testing; electrochemical permeation method; hydrogen diffusion; diffusion coefficient; INDUCED CRACKING; PLASTIC STRAIN; SORPTION; STRESS;

D O I：

10.3390/coatings11101260

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this article, we conduct research on the effect of corrosion tests on the hydrogen diffusion process in gas steel in electrochemical permeability tests. This tests show that a long corrosion test time reduces the hydrogen diffusion coefficient by an order of magnitude, indicating the formation of aging defects in the steel. During operation, the diffusion coefficient decreases by two orders of magnitude, which also indicates the formation of a large number of defects in the steel. Consequently, based on the change in the diffusion coefficient in the material, it is possible to assess the degree of material failure.</p>

引用

页数：22

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