渗透氢检测方法研究进展

周欣, 吴大康, 成旭, 扈俊颖, 钟显康

Research Progress of Detection Techniques for Permeated Hydrogen

ZHOU Xin, WU Dakang, CHENG Xu, HU Junying, ZHONG Xiankang

表1 常见的氢陷阱及其激活能

Table 1 Common hydrogen traps and their trapping energies

Trap type Blinding energy kJ·mol-1 Reference Vacancy 30-60 [22], [23] Microvoid 40 [24] Dislocation 20-30 [25], [26] Strain field 12-27 [27], [28], [29] GB 9-49 [27], [30], [31] Prior austenite 47 [32] Austenite-ferrite 44 [33] Iron oxide interface 43-62 [24]