Method of preparing oxidation film on surface of magnesium alloy by utilizing micro-arc oxidation

Method of preparing oxidation film on surface of magnesium alloy by utilizing micro-arc oxidation

The invention provides a method of preparing an oxidation film on the surface of a magnesium alloy by utilizing micro-arc oxidation. The method comprises the following steps that the magnesium alloy is placed into an electrolytic tank filled with an alkaline electrolyte, the magnesium alloy serves a...

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Hauptverfasser: XIA LIANGBIN, XIE YUNDING, ZHU YACONG, ZHU HONGXI, REN FENGZHANG, YAO LIXIN, CHEN JUN, LI QUAN'AN
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Sprache:chi ; eng
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APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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XIE YUNDING
ZHU YACONG
ZHU HONGXI
REN FENGZHANG
YAO LIXIN
CHEN JUN
LI QUAN'AN
description The invention provides a method of preparing an oxidation film on the surface of a magnesium alloy by utilizing micro-arc oxidation. The method comprises the following steps that the magnesium alloy is placed into an electrolytic tank filled with an alkaline electrolyte, the magnesium alloy serves as an electrolytic anode, the electrolytic tank serves as an electrolytic cathode, voltage is appliedto allow plasma discharge to be generated on the magnesium alloy, the oxidation film is formed on the surface of the magnesium alloy by utilizing the micro-arc oxidation, and the components of the alkaline electrolyte are 8-12 g/L of NaOH, 10-15 g/L of Na2SiO3, 6-8 g/L of KF, 2-3 mL/L of H2O2, 6-8 mL/L of glycerol, 1-2 g/L of sodium ethylenediamine teramethylene phosphonate and the balance water;and in the micro-arc oxidation process, zeolite powder and gamma-aluminum oxide nano micropowder are sequentially added into the electrolyte, and a micro-arc oxidation reaction is continued to be carried out until the prepara
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subjects APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
title Method of preparing oxidation film on surface of magnesium alloy by utilizing micro-arc oxidation
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