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Electrochemical deposition of Mg(OH)_(2)/GO composite films for corrosion protection of magnesium alloys 被引量:6

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摘要 Mg(OH)_(2)/graphene oxide(GO)composite film was electrochemical deposited on AZ91D magnesium alloys at constant potential.The characteristics of the Mg(OH)_(2)/GO composite film were investigated by scanning electron microscope(SEM),energy-dispersive X-ray spectrometry(EDS),X-ray diffractometer(XRD)and Raman spectroscopy.It was shown that the flaky GO randomly distributed in the composite film.Compared with the Mg(OH)_(2)film,the Mg(OH)_(2)/GO composite film exhibited more uniform and compact structure.Potentiodynamic polarization tests revealed that the Mg(OH)_(2)/GO composite film could significantly improve the corrosion resistance of Mg(OH)_(2)film with an obvious positive shift of corrosion potential by 0.19 V and a dramatic reduction of corrosion current density by more than one order of magnitude.
出处 《Journal of Magnesium and Alloys》 SCIE EI CAS 2015年第3期231-236,共6页 镁合金学报(英文)
基金 The financial support from the“Hundred Talents Program”of Chinese Academy of Sciences(J.Liang)is gratefully acknowledged.
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