管线钢氢渗透行为的研究进展
姚婵, 陈健, 明洪亮, 王俭秋
Research Progress on Hydrogen Permeability Behavior of Pipeline Steel
YAO Chan, CHEN Jian, MING Hongliang, WANG Jianqiu
表2
钢中典型氢陷阱的结合能
Table 2
Binding energies of typical hydrogen traps in steels
Type of trap
Binding energy / kJ·mol
-1
Grain boundary
18.20-19.68
Dislocation
26.8-34.5
59.9 (Deep site)
Void
29.1
Ferrite/cementite
[
55
,
56
]
65.0-66.3
TiC
[
57
]
46-59 (Coherent)
68-116 (Incoherent)
NbC
[
58
]
24-44 (Coherent)
62-71 (Incoherent)
MnS
[
59
]
72