显微组织对X100管线钢氢致开裂及氢捕获行为影响

袁玮,黄峰,甘丽君,戈方宇,刘静

Effect of Microstructure on Hydrogen Induced Cracking and Hydrogen Trapping Behavior of X100 Pipeline Steel

Wei YUAN,Feng HUANG,Lijun GAN,Fangyu GE,Jing LIU

表2 X100管线钢氢渗透动力学参数

Table 2 Kinetic parameters of hydrogen permeation of X100 pipeline steel samples

Condition J∞L mol·cm-1·s-1 Deffm2·s-1 Cappmol·m-3 NT m-3 Original 6.2×10-12 1.3×10-10 4.8 9.4×1025 Furnace cooling 1.5×10-11 5.1×10-10 2.9 1.4×1025 Air cooling 2.0×10-11 8.3×10-10 2.4 7.0×1024