Nuclear magnetic resonance methods were used to investigate the diffusion of H in ZrHx specimens which had been obtained by the hydrogenation of iodide-Zr (table 196).

E.F.Khodosov: Fizika Metallov i Metallovedenie, 1970, 29[2], 415-8

 

Table 197

Activation Energies for H Diffusion in ZrHx

 

x

Structure

E (kcal/mol)

1.588

cubic

13.45

1.629

cubic

13.44

1.684

cubic

13.40

1.736

tetragonal

13.5

1.816

tetragonal

13.7

1.910

tetragonal

14.3

1.960

tetragonal

14.7