Table 7: Arrhenius parameters for H diffusion in interior of bulk Ni. aThe QI diffusion coefficients for . bFrom [60]. cFrom [68]. dFrom [64]. eFrom [65]. fFrom [66]. gFrom [67].


Present QIa200–400 K3.93 (−3)10.26
295–300 K1.3 (−3)11.1
Wonchobab (theoretical data)300–627 K7.8 (−4)10.9
627–1650 K4.4 (−4)10.2
Wimmerc (theoretical data)273–1000 K3.84 (−2)10.92
Yamakawad (experimental data)220–350 K1.9 (−3)8.89
Ebisuzakie (experimental data)470–690 K5.22 (−3)9.56
Eichenauerf (experimental data)660–930 K6.73 (−3)9.47
Katzg (experimental data)670–1270 K7.04 (−3)9.43