TY - GEN
T1 - Micro-arc oxide film of aluminum coating pre-sprayed on AZ31 magnesium alloy
AU - Yang, Suyuan
AU - Zhou, Lin
AU - Cheng, Xingwang
N1 - Publisher Copyright:
Copyright © 2016 by The Minerals, Metals & Materials Society. All rights reserved.
PY - 2016
Y1 - 2016
N2 - Using the micro-arc oxidation (MAO) in silicate electrolyte, ceramic film was formed on pure Al coating previously sprayed on AZ31 magnesium alloy. The surface and cross-sectional morphologies, distribution of elements, phase composition, microhardness, bonding strength and corrosion resistance of the film were systematically investigated. The results show that the MAO film is uniform and compact, mainly comprised of α-Al2O3,γ-Al2O3 and 3Al2O3·2SiO2. The ceramic film adheres well to the Al coating with the average hardness of 1197 HV. The results of polarization curves in 3.5wt.% NaCl solution show that the present technology can obviously improve the corrosion resistance of AZ31 magnesium alloy.
AB - Using the micro-arc oxidation (MAO) in silicate electrolyte, ceramic film was formed on pure Al coating previously sprayed on AZ31 magnesium alloy. The surface and cross-sectional morphologies, distribution of elements, phase composition, microhardness, bonding strength and corrosion resistance of the film were systematically investigated. The results show that the MAO film is uniform and compact, mainly comprised of α-Al2O3,γ-Al2O3 and 3Al2O3·2SiO2. The ceramic film adheres well to the Al coating with the average hardness of 1197 HV. The results of polarization curves in 3.5wt.% NaCl solution show that the present technology can obviously improve the corrosion resistance of AZ31 magnesium alloy.
KW - Corrosion resistance
KW - Magnesium alloy
KW - Micro-arc oxidation
KW - Microstructure
UR - http://www.scopus.com/inward/record.url?scp=84975038274&partnerID=8YFLogxK
U2 - 10.1002/9781119274803.ch57
DO - 10.1002/9781119274803.ch57
M3 - Conference contribution
AN - SCOPUS:84975038274
T3 - Magnesium Technology
SP - 291
EP - 295
BT - Magnesium Technology 2016 - Held During TMS 2016
A2 - Singh, Alok
A2 - Solanki, Kiran
A2 - Manuel, Michele Viola
A2 - Neelameggham, Neale R.
PB - Minerals, Metals and Materials Society
T2 - Magnesium Technology 2016 - TMS 2016: 145th Annual Meeting and Exhibition
Y2 - 14 February 2016 through 18 February 2016
ER -