Microstructure and tensile properties of ultrafine grained copper processed by equal-channel angular pressing

Rare Metals

Volumn 25, Issue 6, 2006, Pages 697-703

  Wei, Wei ^a,b   Chen, Guang ^b   Wang, Jingtao ^b   Chen, Guoliang ^b  

^a CHANGZHOU UNIVERSITY   (China)

^b NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Copper; Equal channel angular pressing; Microstructure; Tensile properties; Ultrafine grain size

Indexed keywords

DUCTILITY; FAILURE (MECHANICAL); MICROSTRUCTURE; PRESSING (FORMING); SHEAR DEFORMATION; TENSILE PROPERTIES; TENSILE STRENGTH;

EQUAL-CHANNEL ANGULAR PRESSING; ULTRAFINE GRAIN SIZE; ULTRAFINE GRAINED COPPER;

COPPER;

EID: 33846537438     PISSN: 10010521     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1001-0521(07)60015-1     Document Type: Article

References (15)

1. Valiev R.Z., Isamgaliev R.K., and Alexandrov I.V., Bulk nanostructured materials from severe plastic deformation, Prog. Mater. Sci, 2000, 45(12): 103.
2. Iwahashi Y., Horita Z., Nemoto M., and Langdon T.G., An investigation of microstructural evolution during equal-channel angular pressing, Acta Mater., 1997, 45(11): 4733.
3. Ota S., Akamatsu H., Neishi K., Furukawa M., Horita Z., and Langdon T.G, Low-temperature superplasticity in aluminum alloys processed by equal-channel angular pressing, Mater. Trans., 2002, 43(10): 2364.
4. Gibbs M.A., Hartwig K.T., Cornwell L.R., Goforth R.E., and Payzant E.A., Texture formation in bulk iron processed by simple shear, Scripta Mater., 1998, 39(12): 1699.
5. 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. Mater. Trans., 1999, 30A: 1425.
6. Ferrasse S., Segal V.M., Hartwig K.T., and Goforth R.E., Microstructure and properties of copper and aluminum alloy 3003 heavily worked by equal channel angular extrusion, Metall. Mater. Trans., 1997, 28A: 1047.
7. Shih M.H., Yu C.Y., Kao P.W., and Chang C.P., Microstructure and flow stress of copper deformed to large plastic strain, Scripta Mater., 2001, 45(7): 793.
8. Wang Y.M., Ma E., and Chen M.W., Enhanced tensile ductility and toughness in nanostructured Cu, App. Phys. Lett, 2002, 80(13): 2395.
9. Valiev R.Z., Alexandrov I.V., Zhu Y.T., and Lowe T.C., Paradox of strength and ductility in metals processed by severe plastic deformation, J. Mater. Res., 2002, 17(1): 5.
10. Langdon T.G, Furukawa M., Nemoto M., and Horita Z., Using equal-channel angular pressing for refining grain size, JOM, 2000, 52(4): 30.
11. Segal V.M., Materials processing by simple shear, Mater. Sci. Eng., 1995, A197: 157.
12. Iwahashi Y, Wang J., Horita Z., Nemoto M., and Langdon T.G., Principle of equal channel angular pressing for the processing of ultrafine grained materials, Scripta Mater., 1996, 35(2): 143.
13. Ma E., Instabilities and ductility of nanocrystalline and ultrafine-grained metals, Scripta Mater., 2003, 49(7): 663.
14. Lu L., Shen Y., Chen X., Qian L., and Lu K., Ultrahigh strength and high electrical conductivity in copper, Science, 2004, 304: 422.
15. Wang Y.M., Chen M.W., Zhou F.H., and Ma E., High tensile ductility in a nanostructured metal, Nature, 2002, 419: 912.