✦ LIBER ✦

Anodic behaviour of titanium in acidic chloride containing media (HCl  NaCl). Influence of the constituents of the medium—III. Analysis of the electrochemical impedance. General dissolution — passivation mechanism

✍ Scribed by J.P. Frayret; A. Caprani

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 785 KB
Volume: 27
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(82)85012-3

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✦ Synopsis

~-AMl3Magtkdcotrockguodtmpedarrcs d~~ploctadinsLorpfrequarcy~(lO-'Hz-1~ m) cna#cr to anapkte and support tbe dlssolution-passivatlon scheme of titanium elaborated from stauiy state mts. ~PILP1YdlOttlieR,.Z~(~~tranrfsrrasistmaby~tiaury cWalt~-theplwalceof two active disduti~ paths in terratent titaniukn, one of wbicb depends on the ptmaca of the hydride (Tsi,). MO-it ElMBrms the the tntnwdmt oxide TiOp in the establisbmcnt of the StPbldWW.ACOmPkfC ngthechCmicalnat.umofalltlwintemwdiatcaandfinal

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In concentrated bvdrochloric acid solutions. the overall dissolution rate depends on the acid concentration. Using mixed electrolytes (HCI-NaCl) we have established the infhwnce on-the overall anodic stationary current, of each of the H+ and Cl-ions. Considering the logarithmic derivative of the ove