Parameter Notation	Parameter Definition
1A	Ti20Ta9Nb8Zr2Ag smooth surface
3A	Ti10Ta9Nb8Zr2Ag smooth surface
5A	Ti9Nb8Zr2Ag smooth surface
AFM	Atomic force microscopy
1B	Ti20Ta9Nb8Zr2Ag rough surface
3B	Ti10Ta9Nb8Zr2Ag rough surface
5B	Ti9Nb8Zr2Ag rough surface
C	Capacitance, F/cm2
CPE	Constant phase element, sn Ω−1 cm−2
CPE1	Constant phase element outer layer, sn Ω−1 cm−2
CPE2	Constant phase element inner layer, sn Ω−1 cm−2
Ecorr	Corrosion potential, mV
EEC	Electric equivalent circuit
EIS	Electrochemical impedance spectroscopy
EOC	Potential open circuit, mV
icorr	Corrosion current, A
jcorr	Corrosion current density, A cm−2
OCP	Open circuit potential
PBS	Phosphate buffer solution
PP	Potentiodynamic polarization
R1 = Rout	Resistance out layer, Ωcm2
R2 = Rinner	Resistance inner layer, Ωcm2
Rcorr	Corrosion rate, µm y−1
RMS	Root-Mean-Square roughness, nm
Rp	Polarization resistance, Ω cm2
Rsol	Solution resistance, Ω cm2
Rpv	Peak-to-valley, nm
Rq	Roat-mean square, nm
SFE	Surface free energy, mN/m
Ɵ	Contact angle, degrees
Ϭ1	Surface tension of the liquid, mN/m
Ϭs	Surface free energy of the solid, mN/m