ISSN:
1662-8985
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Lithium ion was introduced into high purity aluminum (99.999%) by hydrotalciteprecursor method, and Li/Al composite anodic film was obtained by anodizing. The methods ofX-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and scanning electronmicroscopy (SEM) were used to investigate the properties of the anodic film. The electrochemistrybehaviors of composite anodic film were studied by means of potentiodynamic method andelectrochemical impedance spectroscopy (EIS). The results showed that the composite anodic filmwas produced by hydrotalcite precursor method and which is amorphous to X-ray diffraction. Thepassivation current density of the anodic film in NaCl solution (1mol/L, pH=3, 7, 11) decreasedobviously, while impedance value increased sharply. Corrosion resistance of the composite anodicfilm in NaCl solution was improved by the introduction of Li+ ion
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.11-12.509.pdf
