Thermo-mechanical response of Al 6061 with and without equal channel angular pressing (ECAP)

International Journal of Plasticity

Volumn 26, Issue 2, 2010, Pages 189-203

  Khan, Akhtar S ^a   Meredith, Christopher S ^a  

^a Baltimore County   (United States)

Author keywords

Aluminum 6061; Equal channel angular pressing; Kolsky bar; Rate dependent material; Strengthening mechanisms

Indexed keywords

BEFORE AND AFTER; DYNAMIC FLOWS; FLOW STRESS; KOLSKY BAR; ONE-PASS; QUASI-STATIC STRAIN RATES; RATE-DEPENDENT MATERIAL; ROOM TEMPERATURE; SENSITIVITY INCREASE; SOLUTION HEAT TREATED; STRENGTHENING MECHANISMS; THERMO-MECHANICAL; THREE-PASS; UNIAXIAL COMPRESSIVE LOADING;

ALUMINUM; EQUAL CHANNEL ANGULAR PRESSING; MATERIALS; PLASTIC FLOW; PRESSING (FORMING); STRENGTHENING (METAL); THERMOMECHANICAL TREATMENT;

STRAIN RATE;

EID: 70350721810     PISSN: 07496419     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijplas.2009.07.002     Document Type: Article

References (51)

1. Alexandrov I., Chembarisova R., Sitdikov V., and Kazyhanov V. Modeling of deformation behavior of SPD nanostructured CP titanium. Mat. Sci. Eng. A493 (2008) 170-175
2. Austin A.L., and Steidel Jr. R.F. The tensile properties of some engineering materials at high rates of strain. Proc. Am. Soc. Testing Mats. (1959) 59
3. Banovic S.W., Vaudin M.D., Gnaeupel-Herold T.H., Saylor D.M., and Rodbell K.P. Studies of deformation-induced texture development in sheet materials using diffraction techniques. Mat. Sci. Eng. A380 (2004) 155-170
4. Barker L.M., Lundergan C.D., and Herrmann W. Dynamic response of aluminum. J. Appl. Phys. 35 (1964) 1203-1212
5. Beyerlein I.J., and Tomé C.N. Modeling transients in the mechanical response of copper due to strain path changes. Int. J. Plasticity 23 (2007) 640-664
6. Beyerlein I.J., Alexander D.J., and Tomé C.N. Plastic anisotropy in aluminum and copper pre-strained by equal channel angular extrusion. J. Mat. Sci. 42 (2007) 1733-1750
7. Chang J.Y., and Shan A. Microstructure and mechanical properties of AlMgSi alloys after equal channel angular pressing at room temperature. Mat. Sci. Eng. A347 (2003) 165-170
8. Chowdhury S.G., Modal A., Gubicza J., Krallics G., and Fodor A. Evolution of microstructure and texture in an ultrafine-grained Al6082 alloy during severe plastic deformation. Mat. Sci. Eng. A490 (2008) 335-342
9. Conrad H. The athermal component of the flow stress in crystalline solids. Mat. Sci. Eng. 6 (1970) 265-273
10. Farrokh B., and Khan A.S. Grain size, strain rate, and temperature dependence of flow stress in ultra-fine grained and nanocrystalline Cu and Al: synthesis, experiment, and constitutive modeling. Int. J. Plasticity 25 (2009) 715-732
11. Ferrasse S., Segal V.M., Hartwig K.T., and Goforth R.E. Development of a submicrometer-grained microstructure in aluminum 6061 using equal channel angular extrusion. J. Mat. Res. 12 (1997) 1253-1261
12. Ferrasse S., Segal V.M., Kalidindi S.R., and Alford F. Texture evolution during equal channel angular extrusion Part I. Effect of route, number of passes and initial texture. Mat. Sci. Eng. A368 (2004) 28-40
13. Franz, C.E., Follansbee, P.S., Wright, W.J., 1984. New experimental techniques with the split-Hopkinson pressure bar. In: Berman, I., Schroeder, J.W. (Eds.), Eighth International Conference on High Energy Rate Fabrics, ASME.
14. Furukawa M., Iwahashi Y., Horita Z., Nemoto M., and Langdon T.G. The shearing characteristics associated with equal-channel angular pressing. Mat. Sci. Eng. A257 (1998) 328-332
15. Gray III G.T., Lowe T.C., Cady C.M., Valiev R.Z., and Aleksandrov I.V. Influence of strain rate & temperature on the mechanical response of ultrafine-grained Cu, Ni, and Al-4Cu-0.5Zr. Nanostruct. Mat. 9 (1997) 477-480
16. Harun H.J., and McCormick P.G. Effect of precipitation hardening on strain rate sensitivity and yield behavior in an Al-Mg-Si alloy. Acta Metall. 27 (1979) 155-159
17. Hockauf M., Meyer L.W., Nickel D., Alisch G., Lampke T., Wielage B., and Krüger L. Mechanical properties and corrosion behaviour of ultrafine-grained AA6082 produced by equal-channel angular pressing. J. Mat. Sci. 43 (2008) 7409-7417
18. Hoge K.G. Influence of strain rate on mechanical properties of 6061-T6 aluminum under uniaxial and biaxial states of stress. Exp. Mech. 6 (1966) 204-211
19. Holt D.L., Babcock S.G., Green S.J., and Maiden C.J. The strain rate dependence of the flow stress in some aluminum alloys. Trans. ASM 60 (1967) 152-159
20. Horita Z., Fujinami T., Nemoto M., and Langdon T.G. Improvement of mechanical properties for Al alloys using equal-channel angular pressing. J. Mat. Proc. Tech. 117 (2001) 288-292
21. Iwahashi Y., Wang J., Horita Z., and Nemoto M. Principle of equal-channel angular pressing for the processing of ultra-fine grained materials. Scripta Mat. 35 (1996) 143-146
22. Jia D., Ramesh K.T., Ma E., Lu L., and Lu K. Compressive behavior of an electrodeposited nanostructured copper at quasi static and high strain rates. Scripta Mat. 45 5 (2001) 613-620
23. Kapoor R., and Chkravartty J.K. Deformation behavior of an ultrafine-grained Al-Mg alloy produced by equal channel angular pressing. Acta Mat. 55 (2007) 5408-5418
24. Khan A.S., and Zhang H. Mechanically alloyed nanocrystalline iron and copper mixture: behavior and constitutive modeling over a wide range of strain rates. Int. J. Plasticity 16 (2000) 1477-1492
25. Khan A.S., Suh Y.S., and Kazmi R. Quasi-static and dynamic loading responses and constitutive modeling of titanium alloys. Int. J. Plasticity 20 (2004) 2233-2248
26. Khan A.S., Suh Y.S., Chen X., Takacs L., and Zhang H.Y. Nanocrystalline aluminum and iron: Mechanical behavior at quasi-static and high strain rates, and constitutive modeling. Int. J. Plasticity 22 (2006) 195-209
27. Khan A.S., Kazmi R., and Farrokh B. Effect of oxygen content and microstructure on the thermo-mechanical response of three Ti-6Al-4V alloys: experiments and modeling over a wide range of strain-rates and temperatures. Int. J. Plasticity 23 (2007) 1105-1125
28. Khan A.S., Farrokh B., and Takacs L. Compressive properties of Cu with different grain sizes: sub-micron to nanometer realm. J. Mat. Sci. 43 (2008) 3305-3313
29. Khan A.S., Farrokh B., and Takacs L. Effect of grain refinement on mechanical properties of ball-milled bulk aluminum. Mat. Sci. Eng. 489 1-2 (2008) 77-84
30. Kim W.J., An C.W., Kim Y.S., and Hong S.I. Mechanical properties and microstructures of an AZ61 Mg alloy produced by equal channel angular pressing. Scripta Mat. 47 (2002) 39-44
31. Kim W.J., Kim J.K., Park T.Y., Hong S.I., Kim D.I., Kim Y.S., and Lee J.D. Enhancement of strength and superplasticity in a 6061 Al alloy processed by equal-channel-angular-pressing. Metall. Mat. Trans. 33A (2002) 3155-3164
32. Kim J.K., Kim H.K., Park J.W., and Kim W.J. Large enhancement in mechanical properties of the 6061 Al alloys after a single pressing by ECAP. Scripta Mat. 53 (2005) 1207-1211
33. Meyer L.W., Hockauf M., Krüger L., and Schneider I. Compressive behavior of ultrafine-grained AA6063T6 over a wide range of strains and strain rates. Int. J. Mat. Res. 98 3 (2007) 191-199
34. Mukai M., Yamanoi M., Watanabe H., and Higashi K. Ductility enhancement in AZ31 magnesium alloy by controlling its grain structure. Scripta Mat. 45 (2001) 89-94
35. Muszka K., Hodgson P.D., and Majita J. A physical based modeling approach for the dynamic behavior of ultrafine grained structures. J. Mat. Proc. Tech. 177 (2006) 456-460
36. Nemoto M., Horita Z., Furukawa M., and Langdon T.G. Microstructural evolution for superplasticity using equal-channel angular pressing. Mat. Sci. Forum 304-306 (1999) 59-66
37. Picu R.C., Vincze G., Ozturk F., Gracio J.J., Barlat F., and Maniatty A.M. Strain rate sensitivity of the commercial aluminum alloy AA5182-O. Mat. Sci. Eng. A390 (2005) 334-343
38. Roven H.J., Liu M., and Werenskiold J.C. Dynamic precipitation during severe plastic deformation of an Al-Mg-Si aluminum alloy. Mat. Sci. Eng. A 483-484 (2008) 54-58
39. Segal V.M. Materials processed by simple shear. Mat. Sci. Eng. A197 (1995) 157-164
40. Segal V.M., Reznikov V.I., Drobyshevskiy A.E., and Kopylov V.I. Plastic working of metals by simple shear. Russ. Metall. (Engl. Trans.) 1 (1981) 99-105
41. Semiatin S.L., Segal V.M., Goforth R.E., Frey N.D., and DeLo D.P. Workability of commercial-purity titanium and 4340 steel during equal channel angular extrusion at cold-working temperatures. Metall. Mat. Trans. 30A (1999) 1425-1435
42. Shin D.H., Kim B.C., Kim Y.S., and Park K.T. Microstructural evolution in a commercial low carbon steel by equal channel angular pressing. Acta Mat. 48 (2000) 2247-2255
43. -1. Mat. Res. Stand. 3 (1963) 713-718
44. Steidel Jr. R.F., and Makerov C.E. The tensile properties of some engineering materials at moderate rates of strain. ASTM Bull. (1960) 247
45. Stolyarov V.V., Zhu Y.T., Lowe T.C., and Valiev R.Z. Microstructure and properties of pure Ti processed by ECAP and cold extrusion. Mat. Sci. Eng. A303 (2001) 82-89
46. Valiev R.Z., and Alexandrov I.V. Nanostructured materials from severe plastic deformation. Nanostruct. Mat. 12 (1999) 35-40
47. Valiev R.Z., Korznikov A.V., and Mulyukov R.R. Structure and properties of ultrafine-grained materials produced by severe plastic deformation. Mat. Sci. Eng. A168 (1993) 141-148
48. Valiev R.Z., Salimonenko D.A., Tsenev N.K., Berbon P.B., and Langdon T.G. Observations of high strain rate superplasticity in commercial aluminum alloys with ultrafine grain sizes. Scripta Mater. 37 (1997) 1945-1950
49. Vevecka-Priftaj A., Böhner A., May J., Höppel H.W., and Göken M. Strain rate sensitivity of ultrafine grained aluminum alloy AA6061. Mat. Sci. Forum 584-586 (2008) 741-747
50. Wang S.C., Starink M.J., Gao N., Xu C., and Langdon T.G. Grain structure and texture development during ECAP of two heat-treatable Al-based alloys. Rev. Adv. Mat. Sci. 10 (2005) 249-255
51. Wei Q., Cheng S., Ramesh K.T., and Ma E. Effect of nanocrystalline and ultrafine grain sizes on the strain rate sensitivity and activation volume: fcc versus bcc metals. Mat. Sci. Eng. A 381 1-2 (2004) 71-79