Dynamic Mechanical Properties of Oxide Films Formed on Metallic Surfaces as Measured Using a Tribological Approach at High Temperature

Table 1

Mechanical properties of oxide films formed on metal surfaces.

	𝜀 (%)	𝜀𝑓 (%)	𝜎𝑓 (MPa)	𝐸𝑓 (GPa)	𝜎𝑎 (MPa)
Mild steel (873 K)
Wet air	0.5	0.25	530	213	74.6
0.5 vol% HCI	1.4	0.7	220	31.9	102
10 vol% HCI	0.7	0.34	37	1.09	162
Titanium (973 K)
Air	0.24	0.12	44.3	36.9	24
0.5 vol% HCI	0.24	0.12	44.3	36.9	24
10 vol% HCI	0.12	0.06	23.3	38.8	12
Titanium alloy (973 K)
Air	0.60	0.30	145	48.3	45
10 vol% HCI	0.10	0.05	27.0	54.0	10
Nickel
Air (973 K)	0.155	0.078	243	157	—
Air (R.T.)	0.258	0.129	568	220	—