This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Effects of Heat Treatment on Exfoliation Corrosion, Intergranular Corrosion, Stress Corrosion Cracking, and Joining Corrosion of AA7075 with Advanced Aging and T6

Journal Article
05-13-03-0018
ISSN: 1946-3979, e-ISSN: 1946-3987
Published July 21, 2020 by SAE International in United States
Effects of Heat Treatment on Exfoliation Corrosion, Intergranular Corrosion, Stress Corrosion Cracking, and Joining Corrosion of AA7075 with Advanced Aging and T6
Sector:
Citation: Chen, Z., Kaunitz, L., Saltzmann, D., and Wu, C., "Effects of Heat Treatment on Exfoliation Corrosion, Intergranular Corrosion, Stress Corrosion Cracking, and Joining Corrosion of AA7075 with Advanced Aging and T6," SAE Int. J. Mater. Manf. 13(3):217-227, 2020, https://doi.org/10.4271/05-13-03-0018.
Language: English

References

  1. Li , J.F. , Birbilis , N. , Li , C.X. , Jia , Z.Q. et al. Influence of Retrogression Temperature and Time on the Mechanical Properties and Exfoliation Corrosion Behavior of Aluminum Alloy AA7150 Materials Characterization 60 2009 1334 1341 2009 https://doi.org/10.1016/j.matchar.2009.06.007
  2. Knight , S.P. , Birbilis , N. , Muddle , B.C. , Trueman , A.R. , and Lynch , S.P. Correlations Between Intergranular Stress Corrosion Cracking, Grain-Boundary Microchemistry, and Grain-Boundary Electrochemistry for Al-Zn-Mg-Cu Alloys Corrosion Science 52 12 4073 4080 2010 https://doi.org/10.1016/j.corsci.2010.08.024
  3. Marlaud , T. , Deschamps , A. , Bley , F. , Lefebvre , W. , and Baroux , B. Evolution of Precipitate Microstructures during the Retrogression and Re-Ageing Heat Treatment of an Al-Zn-Mg-Cu Alloy Acta Materialia 58 14 4814 4826 2010 https://doi.org/10.1016/j.actamat.2010.05.017
  4. Deng , Y. , Yin , Z. , Zhao , K. , Duan , J. et al. Effects of Sc and Zr Microalloying Additions and Aging Time at 120 °C on the Corrosion Behaviour of an Al-Zn-Mg Alloy Corrosion Science 65 288 298 2012 https://doi.org/10.1016/j.corsci.2012.08.024
  5. Doig , P. and Edington , J.W. Influence of Precipitate Free Zones on the Stress Corrosion Susceptibility of a Ternary Al-5.9 wt% Zn-3.2 wt% Mg Alloy Corrosion 31 10 347 352 1975 https://doi.org/10.5006/0010-9312-31.10.347
  6. Park , J.K. and Ardell , A.J. Microchemical Analysis of Precipitate Free Zones in 7075-A1 in the T6, T7 and RRA Tempers Acta Metallurgica et Materialia 39 4 591 598 1991 https://doi.org/10.1016/0956-7151(91)90127-M
  7. Fourmeau , M. , Marioara , C.D. , Børvik , T. , Benallal , A. , and Hopperstad , O.S. A Study of The Influence of Precipitate-Free Zones on The Strain Localization and Failure of The Aluminum Alloy AA7075-T651 Philosophical Magazine 95 28-30 3278 3304 2015 https://doi.org/10.1080/14786435.2015.1040099
  8. Kumar , P.V. , Reddy , G.M. , and Rao , K.S. Microstructure, Mechanical and Corrosion Behavior of High Strength AA7075 Aluminum Alloy Friction Stir Welds - Effect of Post Weld Heat Treatment Defense Technology 11 4 362 369 2015 https://doi.org/10.1016/j.dt.2015.04.003
  9. ASM Handbook Heat Treating of Aluminum Alloys, Heat Treating 4 ASM International 1991 841 879 https://doi.org/10.1361/asmhba0001205
  10. Birblilis , N. and Buchheit , R.G. Electrochemical Characteristics of Intermetallic Phases in Aluminum Alloys Journal of The Electrochemical Society 152 4 B140 B151 2005 https://doi.org/10.1149/1.1869984-151
  11. Andreatta , F. , Terryn , H. , and de Wit , J.H.W. Corrosion Behavior of Different Tempers of AA7075 Aluminum Alloy Electrochimica Acta 49 17-18 2851 2862 2004 https://doi.org/10.1016/j.electacta.2004.01.046
  12. Holroyd , N.H. and Scamans , G.M. Stress Corrosion Cracking in Al-Zn-Mg-Cu Aluminum Alloys in Saline Environments Metallurgical and Materials Transactions A 44 3 1230 1253 2013 https://doi.org/10.1007/s11661-012-1528-3
  13. Harrison , N.R. and Luckey , S.G. 2018
  14. Kamat , R.G. , Anijdan , H.M. , Kulkarni , R.K. , and Ordorica , M.S. 2016
  15. Wright , D. , Henshaw , J. , Harrison , N. , and Luckey , S. Stress-Corrosion Cracking Evaluation of Hot-Stamped AA7075-T6 B-Pillars SAE Int. J. Engines 10 4 2021 2026 2017 https://doi.org/10.4271/2017-01-1271
  16. Li , J.F. , Peng , Z.W. , Li , C.X. , Jia , Z.Q. et al. Mechanical Properties, Corrosion Behaviors and Microstructures of 7075 Aluminum Alloy with Various Aging Treatments Transactions of Nonferrous Metals Society of China 18 4 755 762 2008 https://doi.org/10.1016/S1003-6326(08)60130-2
  17. ASTM B557-10 Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products West Conshohocken, PA ASTM International 2010
  18. ASTM G34-01 Standard Test Method for Exfoliation Corrosion Susceptibility in 2XXX and 7XXX Series Aluminum Alloys (EXCO Test) West Conshohocken, PA ASTM International 2018
  19. ASTM G110-92 Standard Practice for Evaluating Intergranular Corrosion Resistance of Heat Treatable Aluminum Alloys by Immersion in Sodium Chloride + Hydrogen Peroxide Solution West Conshohocken, PA ASTM International 2015
  20. Chen , Z. , Kaunitz , L. , and Wu , C. Quench Rate Study on AA7075 with Advanced Aging and T6 SAE Int. J. Mater. Manuf. 2020

Cited By