Table 1 Corrosion products forming on the bare samples and the pre-oxidized samples after hot corrosion.

From: Effects of pre-oxidation on the corrosion behavior of pure Ti under coexistence of solid NaCl deposit and humid oxygen at 600 °C: the diffusion of chlorine

Samples

Environment

Corrosion time

1 h

5 h

20 h

100 h

Bare samples

NaCl + H2O + O2

TiO2, Na4Ti5O12

Pre-oxidized samples

NaCl + H2O + O2

TiO2, Ti2O

TiO2, Ti2O, Na4Ti5O12

TiO2, Ti2O, Na4Ti5O12

NaCl + O2

TiO2, Ti2O

TiO2, Ti2O, Na4Ti5O12

H2O + O2

TiO2

O2

TiO2