Table 3 Electrochemical data obtained from the potentiodynamic polarisation curves of pure zinc and zinc alloy (Zn-5 Al-4 Mg).

From: Biocompatibility and biodegradation studies of a commercial zinc alloy for temporary mini-implant applications

 

Ecorr (mVAg/AgCl)

βa (mV/decade)

βc (mV/decade)

icorr (μA/cm2)

Corrosion Rate (mm/y)

Pure Zn

−1032 ± 5

318

−417

9.55 ± 1.1

0.14

Zn Alloy

−1020 ± 5

295

−202

17.7 ± 1.2

0.32

  1. Values represent means of triplicate samples ± absolute standard deviations.