Numerical Investigation of the Role of Volumetric Transformation Strain on the Relaxation Stress and the Corresponding Hydrogen Interstitial Concentration in Niobium Matrix

Table 1

The parameters and constants utilized in the current model for the Nb-H system.

(m^3 mol^−1) [33]	(m^3 mol^−1) [33]	(nm) [33]	[33]	[33]	(J/mol)	(GPa) [33]	(K)
1.88 × 10^−6	10.8 × 10^−6	0.285	0.415	0.55 × 10^29	8.314	30.8	298