Table 1 Electrochemical parameters derived from the potentiodynamic polarization curves and the corresponding corrosion products identified by GIXRD at the same conditions
From: Study of the effect of H3BO3 concentration and temperature on the corrosion behavior of B4C/6061Al
Temperature (°C) | Concentration (ppm) | Ecorr (mV vs.Ag/AgCl) | icorr (μA/cm2) | Corrosion products |
|---|---|---|---|---|
20 | 0 | −60 | 0.115 | Al(OH)3 + γ-AlOOH |
500 | −239 | 0.469 | γ-AlOOH | |
2500 | −342 | 0.724 | - | |
5000 | −314 | 0.524 | - | |
10,000 | −312 | 0.616 | - | |
50 | 0 | −68 | 0.058 | Al(OH)3 + γ-AlOOH |
500 | −110 | 0.068 | Al(OH)3 + γ-AlOOH | |
2500 | −128 | 0.075 | γ-AlOOH | |
5000 | −118 | 0.088 | γ-AlOOH | |
10,000 | −302 | 0.702 | - | |
90 | 0 | −105 | 0.073 | Al(OH)3 + γ-AlOOH |
500 | −93 | 0.071 | Al(OH)3 + γ-AlOOH | |
2500 | −145 | 0.074 | γ-AlOOH | |
5000 | −134 | 0.077 | γ-AlOOH | |
10,000 | −194 | 0.483 | γ-AlOOH |
