Low-temperature creep behavior of ultrafine-grained 5083 Al alloy processed by equal-channel angular pressing

Journal of Mechanical Science and Technology

Volumn 24, Issue 10, 2010, Pages 2075-2081

  Kim, Ho Kyung ^a  

^a Seoul National University of Science and Technology   (South Korea)

Author keywords

Activation energy; Creep; ECAP; Ultra fine grained microstructures

Indexed keywords

5083 AL ALLOY; ACCUMULATED STRAIN; AL 5083 ALLOYS; AVERAGE VALUES; CLASS II; CREEP CURVES; CREEP DEFORMATIONS; DISLOCATION GLIDE; ECAP; GRAIN SIZE; HIGH STRESS; LOW STRESS; LOW TEMPERATURE CREEP; LOW TEMPERATURES; PIPE DIFFUSION; RATE-CONTROLLING; SOLUTE DRAG; STRESS EXPONENTS; TEMPERATURE RANGE; ULTRAFINE GRAINED MICROSTRUCTURES; ULTRAFINE-GRAINED;

CREEP; DIFFUSION; EQUAL CHANNEL ANGULAR PRESSING; MICROSTRUCTURE; PIPE; PRESSING (FORMING);

ACTIVATION ENERGY;

EID: 78649700324     PISSN: 1738494X     EISSN: None     Source Type: Journal    
DOI: 10.1007/s12206-010-0703-z     Document Type: Article

References (24)

1. R. Z. Valiev, E. V. Kozlov, Y. F. Ivanov, J. Lian, A. A. Nazarov and B. Baudelet, Deformation behaviour of ultrafine-grained copper, Acta Metall. Mater., 42 (1994) 2467-2475.
2. Y. Iwahashi, M. Furukawa, Z. Horita, M. Nemoto and T. G. Langdon, Microstructural characteristics of ultrafine-grained aluminum produced using equal-channel angular pressing., Metal Mater., Trans. 29A (1998) 2245-2252.
3. D. H. Shin, W. J. Kim and W. Y. Choo, Grain refinement of a commercial 0. 15%C steel by equal-channel angular pressing, Scripta Mater., 41 (1999) 259-262.
4. V. V. Stolyarov, Y. T. Zhu, I. V. Alexandrov, T. C. Lowe and R. Z. Valiev, Influence of ECAP routes on the microstructure and properties of pure Ti, Mat. Sci. Eng., A299 (2001) 59-67.
5. I. Charit and R. S. Mishira, Low temperature superplasticity in a friction-stir-processed ultrafine grained Al-Zn-Mg-Sc alloy, Acta Mater., 53 (2005) 4211-4223.
6. K. T. Park, D. Y. Hwang, S. Y. Chang and D. H. Shin, Low-temperature superplastic behavior of a submicrometer-grained 5083 Al alloy fabricated by severe plastic deformation, Metal Mater. Trans., 33A (2002) 2859.
7. I. C. Hsiao and J. C. Huang, Deformation mechanisms during low-and high-temperature superplasticity in 5083 Al-Mg alloy, Metal Mater. Trans., 33A (2002) 1373-1384.
8. V. Sklenicka, J. Dvorak, P. Kral, Z. Stonawska and M. Svoboda, Creep processes in pure aluminium processed by equal-channel angular pressing, Mater. Sci. Eng., A410-411 (2005) 408-412.
9. K. Isshiki, Z. Horita, T. Fujinami, T. Sano, M. Nemoto, Y. Ma and T. G. Langdon, A new miniature mechanical testing procedure: Application to intermetallics, Metal Mater. Trans., 28A (1997) 2577-2582.
10. W. R. Cannon and O. D. Sherby, High temperature creep behavior of class I and class II solid-solution alloys. Metall. Trans., 1 (1970) 1030-1032.
11. M. Kawazoe, T. Shibata, T. Mukai and K. Higashi, Elevated temperature mechanical properties of A 5056 Al-Mg alloy processed by equal-channel-angular-extrusion, Scripta Mater., 36 (1997) 699-705.
12. Y. R. Kolobov, G. P. Garbovetskaya, M. B. Ivanov, A. P. Zhilyaev and R. Z. Valiev, Grain boundary diffusion characteristics of nanostructured nickel, Scripta Mater., 44 (2001) 873-878.
13. M. Chauhan, I. Roy and F. A. Mohamed, Creep behavior in near-nanostructured Al 5083 alloy, Mater. Sc. i Eng., A410-411 (2005) 24-27.
14. Y. Xun and F. A. Mohamed, Superplastic behavior of Zn-22%Al containing nano-scale dispersion particles, Acta Mater., 52 (2004) 4401-4412.
15. D. H. Bae and A. K. Ghosh, Grain size and temperature dependence of superplastic deformation in an Al-Mg alloy under isostructural condition, Acta Mater., 48 (2000) 1207-124.
16. S. L. Robinson and O. D. Sherby, Mechanical behavior of polycrystalline tungsten at elevated temperature, Acta Metall., 17 (1969) 109-125.
17. P. Yavari, F. A. Mohamed and T. G. Langdon, Creep and substructure formation in an Al-5% Mg solid solution alloy. Acta Metall., 29 (1981) 1495-1507.
18. H. J. Frost and M. F. Ashby Deformation-Mechanism Maps, Pergamon Press Oxford (1982) 1.
19. J. Weertman, Steady-state creep of crystals., J. Appl. Phys., 28 (1957) 1185-1189.
20. S. Takeuchi and A. S. Argon, Steady-state creep of alloys due to viscous motion of dislocations, Acta Metall., 24 (1976) 883-889.
21. J. Friedel, Dislocations, Pergamon Press, Oxford, 1964.
22. J. Weertman, High temperature creep produced by dislocation motion, in J. E. Dorn memorial Symposium, Cleveland, Ohio, 1972.
23. S. S. Vagarali and T. G. Langdon, Deformation mechanisms in h. c. p. metals at elevated temperatures-II. Creep behavior of a Mg-0. 8% Al solid solution alloy, Acta Metall., 30 (1982) 1157-1170.
24. H. W. King, Quantitative size-factors for metallic solid solutions, J. Mater. Sci., 1 (1966) 79-90.