Table 2 Hardness, elastic recovery, nanowear and corrosion properties (Ecorr = corrosion potential and Icorr = corrosion current) of the films.

From: Robust tribo-mechanical and hot corrosion resistance of ultra-refractory Ta-Hf-C ternary alloy films

Sample

H (GPa)

Elastic recovery (%)

Nanowear volume (μm3)

Ecorr (V)

Icorr (µA/cm2)

Corrosion rate (μm/year)

TaC

12.3 ± 0.2

69

0.445 ± 0.03

−0.087 ± 0.002

7.750 ± 0.004

206.5 ± 0.1

70TaC-30HfC

24.6 ± 0.3

85

0.199 ± 0.02

−0.19 ± 0.02

0.051 ± 0.002

13.43 ± 0.05

30TaC-70HfC

26.2 ± 0.3

87

0.329 ± 0.03

−0.16 ± 0.01

0.0022 ± 0.0001

0.058 ± 0.01

HfC

18.5 ± 0.5

83

1.19 ± 0.1

−0.020 ± 0.001

131.00 ± 0.01

3481 ± 30