Deformation and microstructure-independent Cottrell-Stokes ratio in commercial Al alloys

International Journal of Plasticity

Volumn 27, Issue 7, 2011, Pages 1045-1054

  Picu, R C ^a   Vincze, G T ^b   Gracio, J J ^b  

^a RENSSELAER POLYTECHNIC INSTITUTE   (United States)

^b UNIVERSITY OF AVEIRO   (Portugal)

Author keywords

Aluminum alloys; Thermally activated processes

Indexed keywords

AL ALLOYS; COTTRELL-STOKES LAW; CREEP CONDITIONS; CRITICAL VALUE; DISLOCATION VELOCITIES; FLOW STRESS; INTERACTION OF DISLOCATIONS; MODEL-BASED; STRAIN RATE SENSITIVITY PARAMETER; THERMALLY ACTIVATED PROCESSES;

CERIUM ALLOYS; EXPERIMENTS; MICROSTRUCTURE; PRECIPITATION (CHEMICAL); STRAIN RATE;

ALUMINUM ALLOYS;

EID: 79955807818     PISSN: 07496419     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijplas.2010.11.001     Document Type: Article

References (40)

1. M.A. Adams, and A.H. Cottrell Effect of temperature on the flow stress of work-hardened copper crystals Philos. Mag. 46 1955 1187 1193
2. Z.S. Basinski Thermally activated glide in FCC metals and its application to the theory of strain hardening Philos. Mag. 4 1959 393 432
3. Z.S. Basinski Forest hardening in FCC metals Scripta Metall. 8 1974 1301 1308
4. S.J. Basinski, and Z.S. Basinski R.W. Balluffi, A.V. Granato, Dislocations Vacancies and Interstitials 1979 North-Holland Publishing 261 (Chapter 16)
5. Z.S. Basinski, R.A. Foxall, and R. Pascual Stress equivalence of solution hardening Scripta Metall. 6 1972 807 814
6. W. Bochniak The Cottrell-Stokes law for FCC single crystals Acta Metall. Mater. 41 1993 3133 3140
7. F.P. Bullen, and S.M. Cousland Energy levels of electron and hole traps in the band gap of doped anthracene crystals Phys. Status Solidi 27 1968 501 508
8. M.Z. Butt, and P. Feltham Solid solution hardening - review J. Mater. Sci. 28 1993 2557 2576
9. A.H. Cottrell, and R.J. Stokes Effects of temperature on the plastic properties of aluminum crystals Proc. R. Soc. Lond. A 233 1955 17 34
10. J.A. del Valle, A.C. Picasso, and R. Romero The superposition of flow stress contributions in a precipitate hardened Ni-based alloy studied by strain rate sensitivity measurements Acta Mater. 51 2003 6443 6452
11. D.M. Dimiduk, C. Woodward, R. LeSar, and M.D. Uchic Scale-free intermittent flow in crystal plasticity Science 312 2006 1188 1191
12. S.S. Ezz, Y.Q. Sun, and P.B. Hirsch Strain rate dependence of the flow stress on work hardening of γ′ Mater. Sci. Eng. A 192/193 1995 45 52
13. A.J.E. Foreman, and M.J. Makin Dislocation movement through random arrays of obstacles Philos. Mag. 14 1966 911
14. J. Friedel Dislocations 1967 Addison-Wesley Reading, MA
15. J.J. Gracio, F. Barlat, E.F. Rauch, P.T. Jones, V.F. Neto, and A.B. Lopes Artificial aging and shear deformation behavior of 6022 Al alloy Int. J. Plast. 20 2004 427 445
16. P. Haasen Plastic deformation of nickel single crystals at low temperatures Philos. Mag. 3 1958 384
17. L. Hollang, E. Hieckmann, D. Brunner, C. Holste, and W. Skrotzki Scaling effects in plasticity of Ni Mater. Sci. Eng. A 424 2006 138 153
18. P.J. Jackson, and Z.S. Basinski Latent hardening and the flow stress in copper single crystals Can. J. Phys. 45 1967 707
19. H. Kronmuller, and A. Seeger Die einmündung in die ferromagnetische sättigung - II: theorie des einmündungsgesetzes in plastisch verformten kubisch-flächenzentrierten einkristallen Phys. Chem. Solids 18 1961 93
20. T. Kruml, O. Coddet, and J.L. Martin The investigation of internal stress fields by stress reduction experiments Mater. Sci. Eng. 2004 72 75 (Pubitemid 39644743)
21. R. Labusch Cooperative effects in alloy hardening Czech. J. Phys. B 38 1988 474
22. C.D. Marioara, S.J. Andersen, J. Jansen, and H.W. Zandbergen The influence of temperature and storage time at RT on nucleation of the β″ phase in a 6082 Al-Mg-Si alloy Acta Mater. 51 2003 789 796
23. C.D. Marioara, H. Nordmark, S.J. Andersen, and R. Holmestad Post-b″ phases and their influence on microstructure and hardness in 6xxx Al-Mg-Si alloys J. Mater. Sci. 41 2006 471 478
24. H. Mecking, and U.F. Kocks Kinetics of flow and strain-hardening Acta Metall. 29 1981 1865 1885
25. H. Mecking, and K. Lucke Die Bestimmung des Aktivierungsvolumens durch Wechsel der Dehngeschwin insbesondere an Silbereinkristallen Mater. Sci. Eng. 1 1967 342 348
26. Neuhauser, H.; Schwink, C.; 1993. In: Chan, R.W.; Haasen, P.; Kramer, E.J. (Eds.), Materials Science and Technology: A Comprehensive Treatment, VCH, Weinheim, p. 223 (Chapter 5).
27. R.C. Picu, and R. Li On the relationship between the Cottrell-Stokes law and the Haasen plot Mater. Sci. Eng. A 527 2010 5303 5306
28. R.C. Picu, R. Li, and Z. Xu Strain rate sensitivity of thermally activated dislocation motion across fields of obstacles of different kind Mater. Sci. Eng. A 502 2009 164 171
29. R.C. Picu, F. Ozturk, E. Esener, and R. Li Aluminum alloys with identical plastic flow and different strain rate sensitivity Metall. Mater. Trans. 2010 10.1007/s11661-010-0423-
30. H. Rebstock Kombinierte Zugverformung und Torsionsverformung von Kupfer-Einkristallrohren Z. Metallk. 48 1957 206
31. S. Saimoto, and H. Sang A re-examination of the Cottrell-Stokes relation based on precision measurements of the activation volume Acta Metall. 31 1983 1873 1881 (Pubitemid 14489368)
32. A. Seeger The generation of lattice defects by moving dislocations, and its application to the temperature dependence of the flow-stress of fcc crystals Philos. Mag. 46 1955 1194 1198
33. A. Seeger, J. Diehl, S. Mader, and H. Rebstock Work-hardening and work-softening of face-centred cubic metal crystals Philos. Mag. 2 1957 323
34. H. Traub, H. Neuhauser, and C. Schwink Investigations of the yield region of concentrated Cu-Ge and Cu-Zn single crystals - I. Critical resolved shear stress, slip line formation and the true strain rate Acta Metall. 25 1977 437
35. M.A. van Huis, J.H. Chen, H.W. Zandbergen, and N.H.F. Sluiter Phase stability and structural relations of nanometer-sized, matrix-embedded precipitate phases in Al-Mg-Si alloys in the late stages of evolution Acta Mater. 54 2006 2945 2955 (Pubitemid 43776745)
36. J. Weiss, T. Richeton, F. Louchet, F. Chmelik, P. Dobron, D. Entemeyer, M. Lebyodkin, T. Lebedkina, C. Fressengeas, and R.J. McDonald Evidence for universal intermittent crystal plasticity from acoustic emission and high-resolution extensometry experiments Phys. Rev. B 76 2007 224110(1) 224110(8)
37. B. Wielke, W. Tikvic, and G. Schoeck Cottrell-Stokes law in Cd and Zn Phys. Status Solidi A 40 1977 271 277
38. Z. Xu, and R.C. Picu Thermally activated motion of dislocations in fields of obstacles: the effect of obstacle distribution Phys. Rev. B 76 2007 094112(1) 094112(8)
39. R.S. Yassar, D.P. Field, and H. Weiland TEM and DSC studies on the precipitation sequence in an Al-Mg-Si alloy: AA6022 J. Mater. Res. 20 2005 2705 2711
40. R. Zeyfang, O. Buck, and A. Seeger Thermally activated plastic deformation of high purity Cu single crystals Phys. Status Solidi B 61 1974 551 561