Table 3 Overview of the total amount of absorbed hydrogen, the amount of hydrogen in the low-temperature desorption peaks (50–475 °C), the amount of hydrogen in high temperature peaks (> 500 °C) and the activation energies obtained for the desorption peaks in the ex-situ charged samples
From: Effect of titanium and vanadium nano-carbide size on hydrogen embrittlement of ferritic steels
HT Condition | Total H | Low T peak H | EA | High T peak H | EA | |
---|---|---|---|---|---|---|
[wppm] | [wppm] | [kJ/mol] | [wppm] | [kJ/mol] | ||
TiC | SN | 2.62 ± 0.32 | 2.18 ± 0.28 | 14 ± 4 | 0.39 ± 0.01 | 69 ± 7 |
115 ± 16 | ||||||
VC | LN | 1.53 ± 0.17 | 1.26 ± 0.06 | 37 ± 3 | 0.27 ± 0.10 | |
SN | 2.02 ± 0.03 | 1.82 ± 0.18 | 19 ± 5 | 0.19 ± 0.19 | ||
LN | 0.79 ± 0.04 | 0.79 ± 0.04 | 27 ± 8 | <0.01 |