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Anticorrosion behavior of conversion coatings obtained from unbuffered cerium salts solutions on AA6061-T6 |
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| Authors: | KIYOTA Sayuri VALDEZ Benjamin STOYTCHEVA Margarita ZLATEV Roumen BASTIDAS Jose Maria |
| Affiliation: | KIYOTA Sayuri1,VALDEZ Benjamin1,STOYTCHEVA Margarita1,ZLATEV Roumen1,BASTIDAS Jose Maria2(1.Engineering Institute of UABC,B.Juárez Blvd.and Normal St.,21280 Mexicali,B.C.,Mexico,2.CENIM-National Centre for Metallurgical Research,CSIC,8Gregorio del Amo Ave.,28040 Madrid,Spain) |
| Abstract: | The anticorrosive properties of cerium based conversion coatings deposited on AA6061-T6 alloy by immersion in unbuffered cerium chloride and cerium nitrate solutions in the presence of hydrogen peroxide were investigated and characterized by potentiodynamic polarization(PDP) and electrochemical impedance spectroscopy(EIS) in 0.5 mol/L NaCl aqueous solution.The microstructure and chemicalcomposition of the protective films were examined by scanning electron microscopy(SEM) and energy dispersive X-ray spectro... |
| Keywords: | cerium based conversion coatings EIS PDP anticorrosion properties rare earths |
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