Effect of Cr, Yb and Zr additions on localized corrosion of Al-Zn-Mg-Cu alloy

Corrosion Science

Volumn 51, Issue 12, 2009, Pages 2872-2877

  Fang, H C ^a   Chen, K H ^a   Chen, X ^a   Chao, H ^a   Peng, G S ^a  

^a CENTRAL SOUTH UNIVERSITY   (China)

Author keywords

A. Alloy; A. Aluminium; A. Rare earth elements; C. Exfoliation corrosion; C. Stress corrosion

Indexed keywords

A. ALLOY; AL-ZN-MG-CU ALLOY; AL-ZN-MG-CU-ZR; AL-ZN-MG-CU-ZR ALLOYS; C. EXFOLIATION CORROSION; EXFOLIATION CORROSION; GRAIN BOUNDARY PRECIPITATE; HIGH ANGLE GRAIN BOUNDARIES; LOCALIZED CORROSION; LOW ANGLE GRAIN BOUNDARIES; RECRYSTALLIZED GRAINS; STRESS CORROSION; ZR ADDITION;

ALLOYS; ALUMINUM; ALUMINUM CORROSION; CERIUM ALLOYS; CHROMIUM; COPPER ALLOYS; CORROSION RESISTANCE; GRAIN BOUNDARIES; GRAIN SIZE AND SHAPE; RARE EARTHS; RECRYSTALLIZATION (METALLURGY); RESIDUAL STRESSES; YTTERBIUM; ZINC; ZINC ALLOYS; ZIRCONIUM; ZIRCONIUM ALLOYS;

STRESS CORROSION CRACKING;

EID: 71849093943     PISSN: 0010938X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.corsci.2009.08.001     Document Type: Article

References (29)

1. James T.S., Liu J., and Warren Jr. H.H. Aluminum alloys for aerostructures. Adv. Mater. Process 10 (1992) 17-20
2. David A.L., and Ray M.H. Strong aluminum alloy shaves airframe weight. Adv. Mater. Process 10 (1991) 46-49
3. Gerard M.L., and David E.L. Influence of microstructure and strength on the fracture mode and toughness of 7××× series aluminum alloys. Metall. Trans. A 13A (1982) 411-425
4. Wloka J., Hack T., and Virtanen S. Influence of temper and surface condition on the exfoliation behaviour of high strength Al-Zn-Mg-Cu alloys. Corros. Sci. 49 (2007) 1437-1449
5. Huang L.P., Chen K.H., Li S., and Song M. Influence of high-temperature pre-precipitation on local corrosion behaviors of Al-Zn-Mg alloy. Scripta Mater. 56 (2007) 305-308
6. Deardo A.J., and Townsend R.D. The Effect of Microstructure on the Stress-Corrosion Susceptibility of An Al-Zn-Mg Alloy (1970), Carnegie-Mellon University, Detroit
7. Minoda T., and Yoshida H. Effect of grain characteristic on intergranular corrosion resistance of 6061 aluminum alloy extrusion. Metall. Mater. Trans. A 33A (2002) 2891-2898
8. Tanaka H., Esaki H., Yamada K., et al. Improvement of mechanical properties of 7475 based aluminum alloy sheets by controlled warm rolling. Sumitomo Light Met. Tech. Rep. 45 (2004) 41-48
9. Zaidi M.A., and Wert J.A. Thermo mechanical processing of aluminum alloys. Treatise Mater. Sci. Technol. 1 (1999) 137-151
10. Kim S.H., Erb U., Aust K.T., et al. Grain boundary character distribution and intergranular corrosion behavior in high purity aluminum. Scripta Mater. 44 (2001) 835-839
11. 3Sc in high strength Al-alloys. Scripta Mater. 56 (2007) 995-998
12. Wu Y.L., Froes F.H., Li C.G., and Alvearez A. Microalloying of Sc, Ni, and Ce in advanced Al-Zn-Mg-Cu alloy. Metall. Mater. Trans. 30A (1999) 1017-1024
13. Kaigorodova L.I., Sel'nikhina E.I., Tkachenko E.A., and Senatorova O.G. Effect of small additions of Sc and Zr on the structure and mechanical properties of an Al-Zn-Mg-Cu alloy. Phys. Met. Metall. 81 (1996) 513-519
14. He Y.D., Zhang X.M., and You J.H. Effect of minor Sc and Zr on microstructure and mechanical properties of Al-Zn-Mg-Cu alloy. Trans. Nonferr. Met. Soc. China 16 (2006) 1228-1235
15. Chen K.H., Fang H.C., Zhang Z., and Huang L.P. Effect of Yb additions on microstructures and properties of high strength Al-Zn-Mg-Cu-Zr alloys. Mater. Sci. Forum 546-549 (2007) 1021-1026
16. Chen K.H., Fang H.C., Zhang Z., Chen X., and Liu G. Effect of Yb, Cr and Zr additions on recrystallization and corrosion resistance of Al-Zn-Mg-Cu alloys. Mater. Sci. Eng. A 497 (2008) 426-431
17. Engler O., Sachot E., Ehrström J.C., Reeves A., and Shahani R. Recrystallisation, texture in hot deformed aluminium alloy 7010 thick plates. Mater. Sci. Technol. 12 (1996) 717-729
18. Liu X.C., An C.Q., and Cui Z.X. Metal Corrosion (2002), National Defence Industry Press, Beijing pp. 60.
19. Landkof M., and Gal-Or L. Stress corrosion cracking of Al-Zn-Mg alloy AA-7039. Corrosion 36 (1980) 241-246
20. Thompson J.J., Tankins E.S., and Agarwala V.S. Heat treatment for reducing corrosion and cracking susceptibilities in 7XXX aluminum alloys. Mater. Perform. 26 (1987) 45-52
21. Najjar D., Magnin T., and Warner T.J. Influence of critical surface defects, localized competition between anodic dissolution, hydrogen effects during stress corrosion cracking of an aluminium alloy. Mater. Sci. Eng. A 238 7050 (1997) 293-302
22. Pulggau M., Zieunski A., Olive J.M., Renauld E., Desjardins D., and Cid M. Effect of microstructure on stress corrosion cracking of all Al-Zn-Mg-Cu alloy. Corros. Sci. 40 (1998) 805-819
23. Song R.G., Dietzel W., Zhang B.J., Liu W.J., Tseng M.K., and Airens A. Stress corrosion cracking and hydrogen embrittlement of all Al-Zn-Mg-Cu alloy. Acta Mater. 52 (2004) 4727-4743
24. McNaughtan D., Worsfold M., and Robinson M.J. Corrosion product force measurements in the study of exfoliation and stress corrosion cracking in high strength aluminium alloys. Corros. Sci. 45 (2003) 2377-2389
25. Ramgopal T., Gouma P.I., and Frankel G.S. Role of grain-boundary precipitates and solute-depleted zone on the intergranular corrosion of aluminium alloy 7150. Corrosion 58 (2002) 687-697
26. Robinson M.J. Mathematical modelling of exfoliation corrosion in high strength aluminium alloys. Corros. Sci. 22 (1982) 775-790
27. Chubb J.P., Morad T.A., Hockenhull B.S., and Bristow J.W. The effect of exfoliation corrosion on the fracture and fatigue behaviour of 7178 T6 aluminium. Int. J. Fatigue 17 1 (1995) 49-54
28. Robinson M.J. The role of wedging stresses in the exfoliation corrosion of high strength aluminium alloys. Corros. Sci. 23 (1983) 887-899
29. Wloka J., Hack T., and Virtanen S. Influence of temper and surface condition on the exfoliation behaviour of high strength Al-Zn-Mg-Cu alloys. Corros. Sci. 49 (2007) 1437-1449