The influence of cathodic protection on the mechanical properties of the X65 pipe weld

被引：0
|
作者：
Lee, G. Y. [1 ]
Bae, D. H. [2 ]
Kim, Y. P. [3 ]
Kim, C. M. [3 ]
Cho, S. Y. [3 ]
机构：
[1] Sungkyunkwan Univ, Grad Sch, Dept Mech Engn, 300 Cheoncheon Dong, Suwon 440746, South Korea
[2] Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, South Korea
[3] II Dong, Ansan 42515, Kyunggido, South Korea
来源：
MECHANICAL BEHAVIOR OF MATERIALS X, PTS 1AND 2 | 2007年 / 345-346卷
关键词：
welding; electro-chemical corrosion; cathode current; cathode protection method; hydrogen; welding residual stress; mechanical properties;
D O I：
10.4028/www.scientific.net/KEM.345-346.1047
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The cathode protection method is a very useful corrosion protection technology for the underground pipelines. However, it has some problems that hydrogen generated by electrochemical reaction on the wet surface of the pipelines is attacked into the pipe weld, and make degradation of their mechanical properties. Therefore, in this study, welding residual stresses around of the X65 pipe weld, which is generally used as a material of the gas pipelines, were previously calculated. And next, by using the cathode protection method, artificially degraded the X65 pipe weld including base metal, assessed its influence on the mechanical properties of the X65 pipe weld.
引用
收藏
页码：1047 / +
页数：2
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