Formation and characterization of cerium conversion coatings on magnesium alloy

Journal of Rare Earths

Volumn 26, Issue 3, 2008, Pages 383-387

  LI, Lingjie ^a   LEI, Jinglei ^a   YU, Shenghai ^a   TIAN, Yujing ^a   JIANG, Qiquan ^a   PAN, Fusheng ^a  

^a CHONGQING UNIVERSITY   (China)

Author keywords

cerium conversion coating; composition; formation kinetics; magnesium alloy; morphology; rare earths

Indexed keywords

ALLOYS; ATOMIC FORCE MICROSCOPY; CERIUM COMPOUNDS; CHEMICAL RESISTANCE; CHROMIUM; CLADDING (COATING); COATINGS; CORROSION; CORROSION RESISTANCE; CRYSTALLOGRAPHY; HEALTH; LIGHT METALS; MAGNESIUM; MAGNESIUM ALLOYS; MAGNESIUM PRINTING PLATES; METALS; MICROSCOPIC EXAMINATION; MOLECULAR ORBITALS; MOLECULAR SPECTROSCOPY; NONFERROUS METALS; PAINTING; PHOTOELECTRON SPECTROSCOPY; RARE EARTH ALLOYS; RARE EARTH ELEMENTS; SCANNING PROBE MICROSCOPY; X RAY PHOTOELECTRON SPECTROSCOPY;

ATOMIC FORCE MICROSCOPY (AFM); AZ31 MAGNESIUM ALLOYS; CHEMICAL CONVERSIONS; CONVERSION COATINGS; CORROSION POTENTIALS; FORMATION MECHANISMS; RARE EARTH METAL (REM); TETRAVALENT CERIUM; TRIVALENT CERIUM; TWO-LAYER STRUCTURE (TLS); X RAY PHOTOELECTRON SPECTROSCOPY (XPS);

CERIUM;

ADHESIVES; ALLOY; CERIUM; CHEMICAL RESISTANCE; CHEMICAL TREATMENT; CHROMIUM; COATINGS; CORROSION RESISTANCE; CRYSTALLOGRAPHY; ELECTRON SPECTROSCOPY; HYDROXIDES; LIGHT METALS; MAGNESIUM; OXIDES; RARE EARTH COMPOUNDS; X RAY SPECTROSCOPY;

EID: 46149113443     PISSN: 10020721     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1002-0721(08)60101-5     Document Type: Article

References (13)

1. Song G. Corrosion and protection of magnesium alloys (2006), Chemical Industry Press, Beijing 281
2. Rudd A., Breslin C., and Mansfeld F. The corrosion protection afforded by rare earth conversion coatings applied to magnesium. Corrosion Science 42 (2000) 275
3. Zhang Y., Yan C., and Wang F. Rare earth conversion treatment for Mg and its alloys and their corrosion performance. Corrosion Science and Protection Technology 13 s (2001) 467
4. Ardelean H., Fiaud C., and Marcus P. Enhanced corrosion resistance of magnesium and its alloys through the formation of cerium (and aluminum) oxide surface films. Materials and Corrosion 52 12 (2001) 889
5. Brunelli K., Dabala M., Calliari I., and Magrini M. Effect of HCl pre-treatment on corrosion resistance of cerium-based conversion coatings on magnesium and magnesium alloys. Corrosion Science 47 4 (2005) 989
6. Xu Y., Chen X., Lü Z., and Li Y. Preparation and corrosion resistance of rare earth conversion coatings on AZ91 magnesium alloy. Journal of Rare Earths 23 5 (2005) 555
7. Lin C., and Fang S. Formation of cerium conversion coatings on AZ31 magnesium alloys. Journal of the Electrochemical Society 152 2 (2005) B54
8. Li L., Lei J., Zhang S., Li D., and Tian Y. Progress in research of rare earth conversion coatings on magnesium alloys. Journal of Materials Engineering 10 (2006) 60
9. Li L., Lei J., Li D., Cai S., Zhu G., and Lei X. Investigations of the synergism between cerium salt and lithium salt in the sealing of anodized film of aluminum. Acta Phys. -Chim. Sin. 19 10 (2003) 922
10. Shyu J., Otto K., Watkins W., Graham G., Belitz R., and Gandhi H. Characterization of Pd/γ-alumina catalysts containing ceria. Journal of Catalysis 114 (1988) 23
11. Dai D., Zhou K., and Yuan Z. Surface Technology Science for Modern Materials (2004), Metallurgy Industry Press, Beijing 584
12. Song S. Methods for Corrosion Electrochemistry Investigation (1988), Chemical Industry Press, Beijing 59
13. Bohm S., Greef R., McMurray H., Powell S., and Worsley D. Kinetic and mechanistic studies of rare earth-rich protective film formation using in situ ellipsometry. Journal of the Electrochemical Society 147 9 (2000) 3286