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Table 1

Numerical values of the coefficients appearing in the crack propagation speed (Eq. 8).

Variable Value
αȧ (μm h−1) 9 × 1012
K0 (MPa ) 12
n 0.5
λ (MPa 0.8
R (J mol−1 K1) 8.314
F (C) 96500
(L kg−1) 21187.7
Tr (K) 563
Q (J mol−1) 130 × 103
a (m) 5 × 10−3
σ (MPa) 250
(L kg−1) 30 × 10−3

Note that a, the initial crack length, is not set to zero since the crack is already in the propagation stage.

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