Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150

Materials Characterization

Volumn 60, Issue 11, 2009, Pages 1334-1341

  Li, J F ^a,b   Birbilis, N ^c   Li, C X ^a   Jia, Z Q ^a   Cai, B ^a   Zheng, Z Q ^a,b  

^a CENTRAL SOUTH UNIVERSITY   (China)

^b BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS   (China)

^c MONASH UNIVERSITY   (Australia)

Author keywords

AA7150 alloy; Exfoliation corrosion; Mechanical properties; Retrogression and re aging (RRA)

Indexed keywords

AA7150 ALLOY; ALUMINIUM ALLOYS; EXFOLIATION CORROSION; EXFOLIATION CORROSION RESISTANCE; GP ZONES; NUMBER DENSITY; PEAK CONDITIONS; RETROGRESSION AND RE-AGING (RRA); RETROGRESSION AND REAGING; RETROGRESSION TIME; STRENGTH LOSS;

ALUMINA; ALUMINUM; ALUMINUM ALLOYS; CORROSIVE EFFECTS; GRAIN BOUNDARIES; MECHANICAL PROPERTIES;

CORROSION RESISTANCE;

EID: 70349452112     PISSN: 10445803     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.matchar.2009.06.007     Document Type: Article

References (30)

1. Wu L.M., Wang W.H., Hsu Y.F., and Trong S. Effects of homogenization treatment on recrystallization behavior and dispersoid distribution in an Al-Zn-Mg-Sc-Zr alloy. J Alloys Compd 456 (2008) 163-169
2. Heinz A., Haszler A., Keidel C., Moldenhauer S., Benedictus R., and Miller W.S. Recent development in aluminium alloys for aerospace applications. Mater Sci Eng A 280 (2000) 102-107
3. Zuo Y.B., Cui J.Z., Dong J., and Yu F.X. Effect of low frequency electromagnetic field on the constituents of a new super high strength aluminum alloy. J Alloys Compd 402 (2005) 149-155
4. Davis J.R. Corrosion of Aluminum and Aluminum Alloys (1999), American Society for Metals, Materials Park, OH
5. Feng C., Liu Z.Y., Ning A.L., and Zeng S.M. Research and progress in retrogression and reaging treatment of super-high strength Aluminium alloy. Mater Rev 20 4 (2006) 98-101 in Chinese
6. Cina B. Reducing the susceptibility of alloys, particularly Aluminium alloys, to Stress Corrosion Cracking (December 24 1974) U.S. patent 3,856,584
7. Kaneko R.S. RRA: Solution for stress corrosion problems with T6 temper aluminium. Met Prog 117 (1980) 41-43
8. Parker J.K., and Ardell A.J. Effect of retrogression and reaging treatments on the microstructure of Al-7075-T651. Metall Trans A 15 (1984) 1531-1543
9. Meng C., Long H., and Zheng Y. Study of the mechanism of hardness change of Al-Zn-Mg alloy during retrogression reaging treatments by small angle X-ray scattering (SAXS). Metall Mater Trans A 28 (1997) 2067-2071
10. Wu Y.L., Froes F.H., Alvarez A., Li C.G., and Liu J. Microstructure and properties of a new super-high-strength Al-Zn-Mg-Cu alloy C912. Mater Des 18 (1997) 211-215
11. Lin J.C., Liao H.L., Jehng W.D., Chang C.H., and Lee S.L. Effect of heat treatments on the tensile strength and SCC-resistance of AA7050 in an alkaline saline solution. Corros Sci 48 (2006) 3139-3156
12. Oliveira Jr. A.F., de Barros M.C., Cardoso K.R., and Travessa D.N. The effect of RRA on the strength and SCC resistance on AA7050 and AA7150 aluminium alloys. Mater Sci Eng A 379 (2004) 321-326
13. Ru J.G., Yi L.N., and Zhang L.S. Effect of DSA treatment on properties of ultra-high-strength aluminium alloys. Chin J Rare Met 23 (1993) 414-416
14. Zhao X.Y., and Frankel G.S. Quantitative study of exfoliation corrosion: exfoliation of slices in humidity technique. Corros Sci 49 (2007) 920-938
15. Zhao X.Y., and Frankel G.S. Effects of relative humidity, temper, and stress on exfoliation corrosion kinetics of AA7178. Corrosion 61 (2006) 956-966
16. Danh N.C., Rajan K., and Wallace W. TEM Study of Microstructure changes during retrogression and reaging in 7075 aluminium. Metall Trans A 14 (1983) 1843-1850
17. Zeng Y. Structure and properties of super-high Al-Zn-Mg-Cu-Zr alloy, Ph.D. Thesis. Central South University, Changsha, China; 2004.
18. Ning A.L., Liu Z.Y., Feng C., and Zeng S.M. Analysis on the behavior of exceeding peak aging strength of aluminium alloy at condition of retrogression and reaging. Acta Metall Sin(in Chinese) 142 (2006) 1253-1258
19. Feng C., Liu Z.Y., Ning A.L., Liu Y.B., and Zeng S.M. Retrogression and re-aging treatment of Al-9.99%Zn-1.72%Cu-2.5%Mg-0.13%Zr aluminum alloy. Trans Nonferrous Met Soc China 16 (2006) 1163-1170
20. Rajan K., Wallace W., and Beddoes J.C. Microstructure study of a high-strength stress-corrosion resistant 7075 aluminium alloy. J Mater Sci 17 (1982) 2817-2825
21. Gu Y.J., Li Y.X., Zhang Y.G., Huang Z., and Chen C.Q. TEM observation of precipitates in a 7050 alloy after RRA treatment. J Aeronaut Mater(in Chinese) 20 (2000) 1-7
22. Dixit M., Mishra R.S., and Sankaran K.K. Structure-property correlations in Al 7050 and Al 7055 high-strength aluminum alloys. Mater Sci Eng A 478 (2008) 163-172
23. Polmear I.J. Light alloys: metallurgy of the light metals. 3rd Ed (1995), Edward Arnold, London
24. In: Kelly A., and Nicholson R.B. (Eds). Strengthening Methods in Crystals (1971), Elsevier, Amsterdam
25. In: Smallman R.E., and Ngan A.H.W. (Eds). Physical Metallurgy and Advanced Materials (2007), Elsevier, Amsterdam
26. You J.H., Li P.H., Li G.F., Liu S.D., and Zhu H.F. Effect of retrogression processing on mechanical properties and intergranular corrosion of 7050 aluminum alloy. J Cent South Univ(Science and Technology) (in Chinese) 29 (2008) 965-974
27. Zeng Y., Yin Z.M., Zhu Y.Z., Pan Q.L., and Zhou C.R. Effect of RRA on microstructures and properties of a new type ultra high strength aluminum alloy. Chin J Nonferr Metals (in Chinese) 14 (2004) 1188-1194
28. Li J.F., Zheng Z.Q., Li S.C., Chen W.J., Ren W.D., and Zhao X.S. Simulation study on function mechanism of some precipitates in localized corrosion of Al alloys. Corros Sci 49 (2007) 2436-2449
29. Birbilis N., and Buchheit R.G. Electrochemical characteristics of intermetallic phases in aluminum alloys: an experimental survey and discussion. J Electrochem Soc 152 (2005) B140-B151
30. Park J.K. Influence of retrogression and reaging treatments on the strength and stress corrosion resistance of aluminium alloy 7075-T6. Mater Sci Eng A 103 (1988) 223-231