Phase Stability Diagrams for High Temperature Corrosion Processes

Table 1

Reactions for the phase stability diagram of Si-O system at 1400 K.

#	Reaction	Log 𝐾	Type of equilibrium line
1	Si(s) + O2 = SiO2(s)	24.66	A
2	Si(s) = Si	−9.08	B
3	2Si(s) + O2 = 2SiO	16.26	C
4	Si + O2 = SiO2(s)	33.74	C
5	2SiO + O2 = 2SiO2(s)	33.06	C