X80掺氢天然气管道的氢脆与腐蚀耦合作用研究

赵杰, 徐广旭, 张烘玮, 李敬法, 吕冉, 王嘉龙, 闫东雷

Coupling Effect of Hydrogen Embrittlement and Corrosion of X80 Pipeline Steel in Hydrogen-doped Natural Gas

ZHAO Jie, XU Guangxu, ZHANG Hongwei, LI Jingfa, LV Ran, WANG Jialong, YAN Donglei

表1 不同掺氢比下X80管线钢的氢渗透相关参数

Table 1 Hydrogen permeation parameters of X80 pipeline steel in different hydrogen blended ratios

Blended hydrogen ratio JSS / mol·cm-2·s-1 Deff / cm2·s-1 CH / mol·cm-3 10% 1.78 × 10-12 0.73 × 10-6 0.24 × 10-6 20% 1.98 × 10-12 0.87 × 10-6 0.26 × 10-6 40% 2.27 × 10-12 0.99 × 10-6 0.29 × 10-6