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Advances in Materials Science and Engineering
Volume 2013 (2013), Article ID 512606, 9 pages
http://dx.doi.org/10.1155/2013/512606
Research Article

High Temperature Deformation Behavior of 8090 Al-Li Alloy

1Department of Civil Engineering, Gangneung-Wonju National University, 120 Gangneung-Daehangno, Gangneung, Gangwon 210-702, Republic of Korea
2Department of Advanced Metal and Materials Engineering, Gangneung-Wonju National University, 120 Gangneung-Daehangnu, Gangneung, Gangwon 210-702, Republic of Korea

Received 25 March 2013; Accepted 17 June 2013

Academic Editor: S. Miyazaki

Copyright © 2013 Woo Young Jung and Tae Kwon Ha. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. K. Sotoudeh and P. S. Bate, “Diffusion creep and superplasticity in aluminium alloys,” Acta Materialia, vol. 58, no. 6, pp. 1909–1920, 2010. View at Publisher · View at Google Scholar · View at Scopus
  2. T. G. Nieh and J. Wadsworth, “Fine structure superplastic intermetallics,” International Materials Reviews, vol. 44, no. 2, pp. 59–75, 1999. View at Scopus
  3. K. A. Padmanabhan and G. J. Davis, Superplasticity, Springer, Berlin, Germany, 1980.
  4. O. D. Sherby and J. Wadsworth, “Superplasticity—recent advances and future directions,” Progress in Materials Science, vol. 33, no. 3, pp. 169–221, 1989. View at Scopus
  5. T. K. Ha and Y. W. Chang, “An internal variable theory of structural superplasticity,” Acta Materialia, vol. 46, no. 8, pp. 2741–2749, 1998. View at Scopus
  6. M. F. Ashby and R. A. Verrall, “Diffusion-accommodated flow and superplasticity,” Acta Metallurgica, vol. 21, no. 2, pp. 149–163, 1973. View at Scopus
  7. E. W. Hart, Stress Relaxation Testing, vol. 676 of ASTM Special Technical, ASTM International, Baltimore, Md, USA, 1979, A. Fox. Ed.
  8. E. W. Hart and H. D. Solomon, “Load relaxation studies of polycrystalline high purity aluminium,” Acta Metallurgica, vol. 21, no. 3, pp. 295–307, 1973. View at Scopus
  9. Y. W. Chang and E. C. Aifantis, Proceedings of the 2nd International Conference on Constitutive Laws for Engineering Materials: Theory and Application, Eds. C. S. Desai et al., Tucson, Ariz, USA, Jan. 5–8, 1987, Elsevier, New York, NY, USA, 1987.
  10. T. K. Ha, C. S. Lee, and Y. W. Chang, “Plastic equation of state and load relaxation behavior of pure tin,” Scripta Materialia, vol. 35, no. 5, pp. 635–640, 1996. View at Publisher · View at Google Scholar · View at Scopus
  11. H. C. Choi, T. K. Ha, H. C. Shin, and Y. W. Chang, “Formation kinetics of deformation twin and deformation induced ε-martensite in an austenitic Fe-C-Mn steel,” Scripta Materialia, vol. 40, no. 10, pp. 1171–1177, 1999. View at Publisher · View at Google Scholar · View at Scopus
  12. L. E. Malvern, Introduction to Mechanics of a Continuous Media, Cambridge University Press, New York, NY, USA, 1975.
  13. E. W. Hart, “A phenomenological theory for plastic deformation of polycrystalline metals,” Acta Metallurgica, vol. 18, no. 6, pp. 599–610, 1970. View at Scopus
  14. J. A. Wert, N. E. Paton, C. H. Hamilton, and M. W. Mahoney, “Grain refinement in 7075 aluminum by thermomechanical processing,” Metallurgical Transactions A, vol. 12, no. 7, pp. 1267–1276, 1981. View at Scopus
  15. D. A. Woodford, “Measurement of the mechanical state of a low alloy steel at elevated temperature,” Metallurgical Transactions A, vol. 6, no. 9, pp. 1693–1697, 1975. View at Publisher · View at Google Scholar · View at Scopus
  16. R. Raj and M. F. Ashby, “On grain boundary sliding and diffusional creep,” Metallurgical Transactions A, vol. 2, no. 4, pp. 1113–1127, 1971. View at Publisher · View at Google Scholar · View at Scopus
  17. T. G. Langdon, “An evaluation of the strain contributed by grain boundary sliding in superplasticity,” Materials Science and Engineering A, vol. 174, no. 2, pp. 225–230, 1994. View at Scopus
  18. T. G. Langdon, “A unified approach to grain boundary sliding in creep and superplasticity,” Acta Metallurgica et Materialia, vol. 42, no. 7, pp. 2437–2443, 1994. View at Scopus
  19. L. K. L. Falk, P. R. Howell, G. L. Dunlop, and T. G. Langdon, “The role of matrix dislocations in the superplastic deformation of a copper alloy,” Acta Metallurgica, vol. 34, no. 7, pp. 1203–1214, 1986. View at Scopus
  20. R. Z. Valiev and T. G. Langdon, “An investigation of the role of intragranular dislocation strain in the superplastic Pb-62% Sn eutectic alloy,” Acta Metallurgica et Materialia, vol. 41, no. 3, pp. 949–954, 1993. View at Scopus
  21. R. L. Bell and T. G. Langdon, “An investigation of grain-boundary sliding during creep,” Journal of Materials Science, vol. 2, no. 4, pp. 313–323, 1967. View at Publisher · View at Google Scholar · View at Scopus
  22. V. N. Perevezentsev, V. V. Rybin, and V. N. Chuvil'deev, “The theory of structural superplasticity—I. The physical nature of the superplasticity phenomenon,” Acta Metallurgica et Materialia, vol. 40, no. 5, pp. 887–894, 1992. View at Scopus
  23. V. N. Perevezentsev, V. V. Rybin, and V. N. Chuvil'deev, “The theory of structural superplasticity—II. Accumulation of defects on the intergranular and interphase boundaries. Accomodation of the grain-boundary sliding. The upper bound of the superplastic strain rate,” Acta Metallurgica et Materialia, vol. 40, no. 5, pp. 895–905, 1992. View at Scopus
  24. O. D. Sherby and P. M. Burke, “Mechanical behavior of crystalline solids at elevated temperature,” Progress in Materials Science, vol. 13, pp. 323–390, 1968. View at Scopus
  25. H. P. Pu, F. C. Liu, and J. C. Huang, “Characterization and analysis of low-temperature superplasticity in 8090 Al-Li alloys,” Metallurgical and Materials Transactions A, vol. 26, no. 5, pp. 1153–1166, 1995. View at Publisher · View at Google Scholar · View at Scopus
  26. Y. N. Kwon, H. J. Koh, S. Lee, N. J. Kim, and Y. W. Chang, “Effects of microstructural evolution on superplastic deformation characteristics of a rapidly solidified Al-Li alloy,” Metallurgical and Materials Transactions A, vol. 32, no. 7, pp. 1649–1658, 2001. View at Scopus
  27. J. Wadsworth, A. R. Pelton, and R. E. Lewis, “Superplastic Al-Cu-Li-Mg-Zr alloys,” Metallurgical Transactions A, vol. 16, no. 12, pp. 2319–2332, 1985. View at Publisher · View at Google Scholar · View at Scopus
  28. T. K. Ha, H. J. Sung, K. S. Kim, and Y. W. Chang, “An internal variable approach to the grain size effect on the superplastic deformation behavior of a 7475 Al alloy,” Materials Science and Engineering A, vol. 271, no. 1-2, pp. 160–166, 1999. View at Publisher · View at Google Scholar · View at Scopus