Microstructure and formation mechanism of cerium conversion coating on alumina borate whisker-reinforced AA6061 composite

Corrosion Science

Volumn 50, Issue 11, 2008, Pages 3185-3192

  Hu, Jin ^a   Tang, Shawei ^a   Zhang, Zaiyang ^a  

^a HARBIN INSTITUTE OF TECHNOLOGY   (China)

Author keywords

A. Metal matrix composite; B. SEM; B. TEM; C. Passive film

Indexed keywords

ALUMINA; CERIUM; COATINGS; CRYSTAL GROWTH; GRAIN BOUNDARIES; HARDENING; METALLIC MATRIX COMPOSITES; ORE TREATMENT;

A. METAL MATRIX COMPOSITE; B. SEM; B. TEM; C. PASSIVE FILM; COATING MORPHOLOGIES; CONVERSION COATINGS; ELECTROCHEMICAL METHODS; FORMATION MECHANISMS; GRANULAR SIZES; GREAT-ER; INNER STRESSES; REINFORCED ALUMINUM COMPOSITES; SEM/EDX; SUBSTRATE SURFACES; THICK COATINGS;

COMPOSITE COATINGS;

EID: 54049101056     PISSN: 0010938X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.corsci.2008.08.020     Document Type: Article

References (26)

1. Yu X.W., Yan C.W., and Cao C.N. Study on the rare earth sealing procedure of the porous film of anodized Al6061/SiCp. Mater. Chem. Phys. 76 (2002) 228-235
2. Johnson B.Y., Edington J.E., and O'Keefe M.J. Effect of coating parameters on the microstructure of cerium oxide conversion coatings. Mater. Sci. Eng. A 361 (2003) 225-231
3. Hinton B.R.W., Arnott D.R., and Ryan N.E. The inhibition of aluminium alloy corrosion by cerous cations. Met. Forum 7 (1984) 211-217
4. Hinton B.R.W. Corrosion inhibition with rare earth metal salts. J. Alloy. Compd. 180 (1992) 15-25
5. Hughes A.E., Taylor R.J., Hinton B.R.W., and Wilson L. XPS and SEM characterization of hydrated cerium oxide conversion coatings. Surf. Interface Anal. 23 (1995) 540-550
6. 3. Surf. Coat. Technol. 86-87 (1996) 449-453
7. Rudd A.L., Breslin C.B., and Mansfeld F. The corrosion protection afforded by rare earth conversion coatings applied to magnesium. Corros. Sci. 42 (2000) 275-288
8. Hamdy A.S., Beccaria A.M., and Traverso P. Corrosion protection of aluminium metal-matrix composites by cerium conversion coatings. Surf. Interface Anal. 34 (2002) 171-175
9. Hu J., Fei W.D., and Li C. Interfascial reactiion in alumina borate whisker-reinforced aluminum composite. J. Mater. Sci. Lett. 13 (1994) 1797-1799
10. Hu J., Fei W.D., and Yao C.K. Aging behaviors of alumina borate whisker reinforced AC8A-Al composite. J. Mater. Sci. 36 (2001) 4817-4821
11. Pardo A., Merino M.C., Arrabal R., Merino S., Viejo F., and Coy A.E. Effect of La surface treatments on corrosion resistance of AA3xx.x/SiCp composites in salt fog. Appl. Surf. Sci. 252 (2006) 2794-2805
12. Greene H.J., and Mansfeld F. Corrosion protection of aluminum metal-matrix composites. Corrosion 53 (1997) 920-927
13. Chen C., and Mansfeld F. Corrosion protection of an Al6092/SiCp metal matrix composite. Corros. Sci. 39 (1997) 1075-1082
14. Hu J., Zhao X.H., Tang S.W., and Sun M.R. Corrosion protection of aluminum borate whisker reinforced AA6061 composite by cerium oxide-based conversion coating. Surf. Coat. Technol. 201 (2006) 3814-3818
15. Hu J., Zhao X.H., Tang S.W., and Ren W.C. Corrosion resistance of cerium-based conversion coatings on alumina borate whisker reinforced AA6061 composite. Appl. Surf. Sci. 253 (2007) 8879-8884
16. Pardo A., Merino M.C., Arrabal R., Viejo F., and Carboneras M. Influence of Ce surface treatments on corrosion behaviour of AA3xx.x/SiCp composites in 3.5 wt.% NaCl. Corros. Sci. 48 (2006) 3035-3048
17. Yu X.W., Yan C.W., and Cao C.N. MMCs XPS analysis of the cerium conversion coating on the anodized Al6061/SiCp. J. Mater. Sci. Technol. 19 (2003) 157-160
18. Fahrenholtz W.G., O'Keefe M.J., Zhou H., and Grant J.T. Characterization of cerium-based conversion coatings for corrosion protection of aluminum alloys. Surf. Coat. Technol. 155 (2002) 208-213
19. Rivera B.F., Johnson B.Y., O'Keefe M.J., and Fahrenholtz W.G. Deposition and characterization of cerium oxide conversion coatings on aluminum alloy 7075-T6. Surf. Coat. Technol. 1 (2004) 349-356
20. Bethencourt M., Botana F.J., Cano M.J., and Marcos M. Advanced generation of green conversion coatings for aluminium alloys. Appl. Surf. Sci. 11 (2004) 278-281
21. Pardo A., Merino M.C., Arrabal R., Merino S., Viejo F., and Carboneras M. Effect of Ce surface treatments on corrosion resistance of A3xx.x/SiCp composites in salt fog, Appl. Surf. Sci. 200 (2006) 2938
22. Brunelli K., and Dabala M. Effect of HCl pre-treatment on corrosion resistance of cerium-based conversion coatings on magnesium and magnesium alloys. Corros. Sci. 47 (2005) 989-1000
23. Zhou W.Q., Shan D.Y., Han E.H., and Ke W. Structure and formation mechanism of phosphate conversion coating on die-cast AZ91D magnesium alloy. Corros. Sci. 50 (2008) 329-337
24. Hu J., Chu W.Y., Fei W.D., and Zhao L.C. Effect of interfacial reaction on corrosion behavior of alumina borate whisker reinforced 6061Al composite. Mater. Sci. Eng. A 374 (2004) 153-159
25. Elsentriecy H.H., Azumi K., and Konno H. Improvement in stannate chemical conversion coatings on AZ91 D magnesium alloy using the potentiostatic technique. Electrochim. Acta 53 (2007) 1006-1012
26. Elsentriecy H.H., Azumi K., and Konno H. Effect of surface pretreatment by acid pickling on the density of stannate conversion coatings formed on AZ91 D magnesium alloy. Surf. Coat. Technol. 202 (2007) 532-537