Table 6 Time exponents (n) calculations for alloy 718 and alloy 718 + TiB2 exposed in steam atmosphere and Ar + 0.25% SO2 gas mixture.

From: Microstructure, phase transformation temperatures and long-term stability of ex-situ Alloy 718 + TiB2 metal-ceramic nanocomposites as a repair coatings for aerospace applications

Gas

Alloy system

\(\:{n}\)

Steam oxidation

Alloy 718

0.2

Alloy 718 + 1.25TiB2

0.2

Alloy 718 + 2.50TiB2

0.2

Alloy 718 + 3.75TiB2

0.4

Alloy 718 + 5.0TiB2

0.6

Ar + 0.25% SO2 gas mixture

Alloy 718

0.9

Alloy 718 + 1.25TiB2

0.9

Alloy 718 + 2.50TiB2

1.0

Alloy 18 + 3.75TiB2

1.0

Alloy 718 + 5.0TiB2

0.8

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