ISSN   1004-0595

CN  62-1224/O4

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ZHANG Qing-lai, FENG Tian-tian, XIAO Fu-gui, GUO Hai-ling, LI Chang-sheng, GAO Lin, HAN Wei-dong. Influence of Microarc Oxidation Ceramic Coating on AZ31[J]. TRIBOLOGY, 2009, 29(6): 606-611.
Citation: ZHANG Qing-lai, FENG Tian-tian, XIAO Fu-gui, GUO Hai-ling, LI Chang-sheng, GAO Lin, HAN Wei-dong. Influence of Microarc Oxidation Ceramic Coating on AZ31[J]. TRIBOLOGY, 2009, 29(6): 606-611.
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Influence of Microarc Oxidation Ceramic Coating on AZ31

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    • Abstract
  • The formability of the hot incremental forming of AZ31 magnesium alloy sheet and the lubricating Mechanism of the porous ceramic coating were investigated by CNC machine and microarc oxidation(MAO) treatment.The results showed that the porous ceramic coating on top of AZ31 magnesium alloy was obtained by MAO treatment and after adsorbing MoS2powder, porous ceramic-MoS2 lubricating film was formed. MoS2 powder coated ceramic coating had the initial friction coefficient about 0.08 at room temperature and can be applied for hot incremental forming of the metal sheet. Porous ceramic coating provided a good lubricating platform for MoS2 lubricant. The inner surface of the formed part was smooth without any defect. The ceramic coating was self –lubricating in the incremental forming at elevated temperatures. Compared with the sheet without MAO treatment,Porous ceramic coating has better lubricating effect
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