掺氢环境下X80管线钢气相氢损伤研究

刘天乐, 韦博鑫, 付安庆, 苏航, 陈廷枢, 王超明, 王邃

Hydrogen Damage of X80 Pipeline Steel in Hydrogen-doped Gaseous Atmosphere

LIU Tianle, WEI Boxin, FU Anqing, SU Hang, CHEN Tingshu, WANG Chaoming, WANG Sui

表2 不同掺氢比条件下X80管线钢气相氢渗透动力学参数

Table 2 Kinetic parameters of gas-phase hydrogen permeation in X80 pipeline steel with different hydrogen doping ratios

Hydrogen blending ratio / % P / MPa D / m2·s-1 Φ / mol·m-1·s-1·MPa-0.5 10 0.625 1.19 × 10-10 6.43 × 10-11 30 1.863 1.21 × 10-10 1.17 × 10-10 50 3.006 1.21 × 10-10 1.99 × 10-10