Determination of characteristic pitting potentials for aluminium by use of the potentiostatic methods
1977; Elsevier BV; Volume: 17; Issue: 1 Linguagem: Inglês
10.1016/0010-938x(77)90040-3
ISSN1879-0496
Autores Tópico(s)Hydrogen embrittlement and corrosion behaviors in metals
ResumoPotentiostatic methods were used to determine the pitting potential, Ep, and the protection potential against pitting, Epp, for unalloyed aluminium in a de-aerated solution of 3 %NaCl at 0 and 30°C. The results show that the pitting potentials determined by these methods are more active than the pitting potentials determined by potentiokinetic and galvanokinetic methods.1,2 The results also prove the existence of only one characteristic potential for pitting corrosion on aluminium as indicated in earlier papers. The temperature has a marked influence on the pitting potential which decreases with increasing temperature.
Referência(s)