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On the anodic dissolution of titanium between 15°C and 100°C in deaerated 2 m hydrochloric acid

✍ Scribed by T. Jaszay; A. Caprani; F. Priem; J.P. Frayret

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
550 KB
Volume
33
Category
Article
ISSN
0013-4686

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✦ Synopsis

We have demonstrated in previous investigations, under usual conditions of temperatures and pressures, that titanium dissolution, in media including chloride acid, is consistent with a reaction model having a "bifurcation", and involves six or nine kinetic parameters. This result was obtained mainly via the utilization of polarization curves and an optimization calculation. In this paper, we suggest extending the study in order t,o include temperatures up to 100°C and pressures up to 70 atm. A specific apparatus was developed to ensure a single phase medium. Calculation of activation energies will be used to investigate the influence of temperature on the kinetics of dissolution-passivation of titanium.

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