Study on the Corrosion Resistance of Magnesium Alloy AZ81 with Rare Earth

Yu Cai Wu; Rui He; Lei Li

doi:10.4028/www.scientific.net/MSF.686.332

Paper Titles

Solute Distribution and Segregation during Solidification of Mg-6Al Alloys
p.310

Structure and Magnetic Properties of MgFe₂O₄ Nanoparticles Prepared by the Low-Temperature Solid-State Reaction Method
p.316

Study of Aluminum Coating Thermally Sprayed on AZ80 Magnesium Alloy Surface
p.319

Study of the Microstructure of AZ31B Magnesium Alloy under High Strain Rate Deformation
p.325

Study on the Corrosion Resistance of Magnesium Alloy AZ81 with Rare Earth
p.332

Study to Yield and Uniformity of Mn in High-Mn Contained Mg-Mn Master Alloy Prepared by Stirring Cast
p.337

Superplastic Forming Limit and Instability of AZ31B Sheet
p.343

The Effects of Al-Ca Compounds on Grain Refinement of Mg-Ca Alloys
p.348

The Evaporation Effect of Front Keyhole Wall in Penetration Welding with an Electron Beam
p.355

HomeMaterials Science ForumMaterials Science Forum Vol. 686Study on the Corrosion Resistance of Magnesium...

Study on the Corrosion Resistance of Magnesium Alloy AZ81 with Rare Earth

Abstract:

The influences of the different content of Rare earth La on the corrosion resistance of AZ81 in the simulated human fluid were studied. In order to further improve the corrosion resistance, different heat treatment procedures were studied. Results showed that with the increase of content of rare earth La, the grain size was refined and the corrosion resistance increased. The corrosion resistance was improved after T6 heat treatment (solid solution+ aging). Microstructure analysis showed that β-phases were precipitated in the T6 heat treatment process. Those fine β phases acted as corrosion barrier and impeded the corrosion extending.