Mechanical behavior of ultrafine-grained cryomilled Al 5083 at elevated temperature

Journal of Materials Engineering and Performance

Volumn 14, Issue 4, 2005, Pages 519-527

  Witkin, David ^a   Han, Bing Q ^b   Lavernia, Enrique J ^b  

^a University of California at Irvine   (United States)

^b University of California   (United States)

Author keywords

Aluminum alloys; Cryomilling; Deformation mechanisms; Plastic deformation; Ultrafine grained materials

Indexed keywords

CRYOMILLING; DEFORMATION MECHANISMS; ULTRAFINE-GRADED MATERIALS;

CRYOGENICS; MICROSTRUCTURE; PLASTIC DEFORMATION; PLASTIC FLOW; STRAIN RATE;

ALUMINUM ALLOYS;

EID: 27744529186     PISSN: 10599495     EISSN: None     Source Type: Journal    
DOI: 10.1361/105994905X56232     Document Type: Conference Paper

References (43)

1. C.C. Koch, Nanostructured Materials: Processing, Properties and Potential Applications, Noyes Publications/William Andrew Publishing, Norwich, NY, 2002, p 1-612
2. P.G. Sanders, C.J. Youngdahl, and J.R. Weertman, The Strength of Nanocrystalline Metals with and without Flaws, Mater. Sci. Eng. A, Vol 234-236, 1997, p 77-82
3. M.J. Luton, C.S. Jayanth, M.M. Disko, S. Matras, and J. Vallon, Cryomilling of Nanophase Dispersion Strengthened Aluminum, Mater. Res. Soc. Symp. Proc., Vol 132, 1989, p 79-86
4. F. Zhou, R. Rodriguez, and E.J. Lavernia, Thermally Stable Nanocrystalline Al-Mg Alloys Powders Produced by Cryomilling, Mater. Sci. Forum, Vol 386-388, 2002, p 409-414
5. B.Q. Han, Z. Lee, S.R. Nutt, E.J. Lavernia, and F.A. Mohamed, Mechanical Properties of an Ultrafine-grained Al-7.5Mg Alloy, Metall. Mater. Trans. A, Vol 34, 2003, p 603-613
6. D. Witkin and E.J. Lavernia, Processing Controlled Mechanical Properties and Microstructures of Bulk Cryomilled Al-Mg Alloys. Pro ceasing und Properties of Structural Nanomaterials, L.L. Shaw, C. Suryanarayana, and R.S. Mishra, Ed., IMS, Chicago, 2003, p 117-124
7. P.S. Pao, H.N. Jones, and C.P. Feng, Fatigue Crack Growth and Fracture Toughness in Bimodal AI 5083, Mechanical Properties of Nanostructured Materials and Nanocomposites, I. Ovid'ko, C.S. Pande, R. Krishnamoorti, E.J. Lavernia, and G. Skandan, Ed., Materials Research Society, Vol 791, 2003, p. 17-22
8. X. D. Witkin, B.Q. Han, and E.J. Lavernia, Microstructural Evolution of an Ultrafine-Grained Cryomilled Al 5083 Alloy During Thermomechanical Processing, J. Mater. Res., Vol 20, 2005 (submitted for publication)
9. G.E. Dieter, Mechanical Metallurgy, 2nd ed., McGraw-Hill, New York. 1976, p 1-774
10. F. Zhou, S.R. Nuit, C.C. Bampton, and E.J. Lavernia, Nanostructure in an Al-Mg-Sc Alloy Processed by Low-energy Ball Milling at Cryogenic Temperature. Metall. Mater. Trans. A, Vol 34, 2003, p 1985-1992
11. H.V. Atkinson and S. Davies, Fundamental Aspects of Hot Isostatic Pressing: An Overview, Metall. Mater. Trans. A, Vol 31, 2000, p 2981-3000
12. M.F. Ashby, Sintering and Hot Isostatic Pressing Diagrams, Powder Metallurgy: An Overview. I. Jenkins and J.V. Wood, Ed., The Institute of Metals, London, 1991, p 144-166
13. T.G. Nieh and J. Wadsworth, Hall-Petch Relation in Nanocrystalline Solids, Scr. Metall. Mater., Vol 25, 1991, p 955-958
14. V. Yamakov, D. Wolf, and S.R. Phillpot, Deformation Mechanism Crossover and Mechanical Behavior in Nanocrystalline Materials, Phil. Man. Lett., Vol 83, 2003, p 385-393
15. H. Van Swygenhoven, M. Spaczer, and A. Caro, Microscopic Description of Plasticity in Computer-generated Metallic Nanophase Samples: A Comparison between Cu and Ni, Acta Mater., Vol 47, 1999, p 3117-3126
16. V. Yamakov, D. Wolf, M. Salazar, S.R. Phillpot, and H. Gleiter, Length-Scale Effects in the Nucleation of Extended Dislocations in Nanocrystalline Al by Molecular Dynamics Simulation, Acta Mater., Vol 49, 2001, p 2713-2722
17. C.J. Yoimgdahl, J.R. Weertman, R.C. Hugo, and H.H. Kung, Deformation Behavior in Nanocrystalline Copper, Scr. Mater., Vol 44, 2001, p 1475-1478
18. D.G. Morris and M.A. Morri, Microstructure and Strength of Nanocrystalline Copper Alloy Prepared by Mechanical Alloying, Acta Metall. Mater., Vol 39, 1991, p 1763-1770
19. S. Cheng, J.A. Spencer, and W.W. Milligan, Strength and Tension/ Compression Asymmetry in Nanostructured and Ultrafine Grain Metals. Acta Mater., Vol 51, 2003, p 4505-4818
20. R.W. Hayes, D. Witkin, F. Zhou, and E.J. Lavernia, Deformation and Activation Volumes for Cryomilled Ultrafine-grained Aluminum, Acta Mater., Vol 52, 2004, p 4259-4271
21. W.W. Milligan, Mechanical Behavior of Bulk Nanocrystalline and Ultrafino-grain Metals, Interfacial and Nanoscale Fracture, W. Gerbcrich and W. Yang. Ed., Elsevier Pergamon, Amsterdam, 2003, p 529-550
22. H. Conrad and J. Narayan, Mechanisms for Grain Size Hardening and Softening in Zn, Acta Mater., Vol 50, 2002, p 5067-5078
23. H. Conrad. Grain Size Dependence of the Plastic Deformation Kinetics in Cu, Mater. Sci. Eng. A. Vol 341, 2003, p 216-228
24. Q. Wei, S. Cheng, K.T. Ramesh, and E. Ma, Effect of Nanocrystalline and Ultrafine Grain Sizes on the Strain Rate Sensitivity and Activation Volume: FCC versus BCC Metals, Mater. Sci. Eng. A, Vol 381, 2004, p 71-79
25. G.T.I. Gray, T.C. Lowe, C.M. Cady, R.Z. Valiev, and I.V. Aleksandrov. Influence of Strain Rate and Temperature on the Mechanical Response of Ultrafine-grained Cu, Ni, and Al-4.0Cu-0.5Zr, Nanostruct. Mater., Vol 9, 1997, p 477-480
26. T. Mukai, S. Suresh, K. Kita, H. Sasaki, N. Kobayashi, K. Higashi, and A. Inou, Nanostructured Al-Fe Alloys Produced by E-Beam Deposition: Static and Dynamic Tensile Properties, Acta Mater., Vol 51, 2003, p 4197-4208
27. D.J. Skinner, M.S. Zedalis, and P.S. Gilman, Effect of Strain Rate on Tensile Ductility for a Series of Dispersion-strengthened Aluminum-based Alloys, Mater. Sci. Eng. A, Vol 119, 1989, p 81-86
28. S. Mitra, Elevated Temperature Mechanical Properties of a Rapidly Solidified Al-Fe-V-Si Alloy, Scr. Mater., Vol 27, 1992, p 521-526
29. D.J. Lloyd, The Deformation of Commercial Aluminum-Magnesium Alloys. Metall. Trans. A. Vol 11, 1980, p 1287-1294
30. Y.M. Wang and E. Ma, Strain Hardening, Strain Rate Sensistivity and Ductility of Nanostructured Metals, Mater. Sci. Eng. A, Vol 375-377, 2004, p 46-52
31. E.A. Brandes, Smithells Metals Reference Book 7th ed., E.A. Brandes and G.B. Brook, Ed., Butterworth Heineman, Oxford, 1992, p 13-45
32. H.J. Frost and M.F. Ashby, Deformation-Mechanism Maps, Vol 1, Pergamon Press, New York, 1982, p 1-166
33. A.R.C. Westwood and T. Broom, Strain-Aging of Aluminum-Magnesium Alloys at Temperatures between 208 and 369 K., Acta Metall., Vol 5, 1957, p 249-256
34. E.O. Hall, Yield Point Phenomena in Metals and Alloys, MacMillan and Company, London, 1970, p 1-296
35. J.E. King, C.P. You, and J.F. Knot, Serrated Yielding and the Localized Shear Failure Mode in Aluminum Alloys, Acta Metall., Vol 29, 1981, p 1553-1566
36. U.F. Kocks and H. Meckin, Physics and Phenomenology of Strain Hardening: The FCC Case, Prog. Mater. Sci., Vol 48, 2003, p 171-273
37. W.J.M. Tegart, Role of Ductility in Hot Working, Ductility, ASM International, 1968, p 143-177
38. X. Zhang, H. Wang, R.O. Scattergood, J. Narayan, C.C. Koch, A.V. Sergueeva, and A.K. Mukherjee, Tensile Elongation (110%) Observed in Ultrafine-grained Zn at Room Temperature, Appl. Phys. Lett., Vol 81, 2002, p 823-825
39. A.K. Ghosh and R. Raj, Grain Size Distribution Effects in Superplasticity, Acta Metall., Vol 29, 1981, p 607-616
40. Y. Wang, M. Chen, F. Zhou, and E. Ma, High Tensile Ductility in a Nanostructured Metal, Nature, Vol 419, 2002, p 912-915
41. Y. Wang and E. Ma, Three Strategies to Achieve Uniform Tensile Deformation in a Nanostructured Metal, Acta Mater., Vol 52, 2004, p 1699-1709
42. R.W. Hayes, R. Rodriguez, and E.J. Lavernia, The Mechanical Behavior of a Cryomilled Al-10Ti-2Cu, Acta Mater., Vol 49, 2001, p 4055-4068
43. J.P. Hirth and J. Lothe, Theory of Dislocations, 2nd ed., John Wiley and Sons, New York, 1982, p 1-857