Effect of Surface Treatment by DCPD Coating on Corrosion Resistance of Magnesium Alloy Elektron 21

Autor:	Miroslav Omasta, Filip Pastorek, Branislav Hadzima
Rok vydání:	2014
Předmět:	Materials science Mechanical Engineering Metallurgy Alloy engineering.material Condensed Matter Physics Electrochemistry Elektron Corrosion Dielectric spectroscopy Coating Mechanics of Materials engineering General Materials Science Magnesium alloy Polarization (electrochemistry) Nuclear chemistry
Zdroj:	Materials Science Forum. 811:67-73
ISSN:	1662-9752
DOI:	10.4028/www.scientific.net/msf.811.67
Popis:	Electrodeposition process of calcium phosphate (CaP) was performed on Elektron 21 magnesium alloy and the influence on corrosion resistance of the alloy covered by CaP was investigated by electrochemical tests. The electrodeposition treatment was performed by potential controlled method in water solution of Ca (NO3)2.4H2O, NH4H2PO4 and H2O2. Corrosion measurements were performed in 0.1M NaCl solution at laboratory temperature (22 ± 1 °C) using electrochemical impedance spectroscopy. Electrodeposited surfaces had higher polarization resistance than only ground surface after all exposition time in 0.1M NaCl.
Databáze:	OpenAIRE
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