بررسی المان محدود و تجربی فرآیند تغییر شکل شدید لوله‌ آلومینیوم به روش ECAP

1. Valiev, R. Z., and Langdon, T.G. “Principles of equal-channel angular pressing as a processing tool for grain refinement”, Int. Progress in Materials Science, Vol. 51, No. 7, pp.881-981, 2006.##
2. Iwahashi, Y., Wang, J., Horita, Z., and Terence, G. “Principle of Equal Channel Angular Pressing for the processing of ultra-fine grained material”, Scripta Materially, Vol.35, No. 2, pp.143-146, 1996.##
3. Lokesh, T., Matsuki, and Mallik, U.S.  “Effect of   Equal Channel Angular Pressing on the Microstructure and Mechanical Properties of Al6061-sic Composites”; Proc. Int. Conf. Data. Eng. India, 2016.##
4. Basavaraj, V., Chakkingal, U., and Kumar, T.S. “Study of channel angle influence on material flow and strain inhomogeneity in equal channel angular pressing using 3D finite element simulation”, Journal of Materials Processing Technology. Vol. 209, No. 1, pp.89-95, 2009.##
5. Safdarian, R. “Experimental and Numerical Investigation of Forming Limit Diagram of 6061 Aluminum Sheet”, Aerospace Mechanics Journal. Vo 13, No 3, pp.77-86, 2016.##
6. Hashemi, S. J., Moslemi, H., Liaghat, G. H. and Deylami, H. “Forming Limit Curve at Neck and Forming Limit Curve at Fracture in Hydroforming of Aluminum Tubes”, Aerospace Mechanics Journal. Vo 11, No 1, pp.77-86, 2013.##
7. Djavanroodi, F., Ebrahimi, M., Nikbin, K.M. “Experimental investigation of three different tube equal channel angular pressing techniques”, Int. Kovove Mater. Vol. 53, No 9, pp.27-34, 2015.##
8. Hyoung, S. K. “Finite element analysis of equal channel angular pressing using a round corner dies”, Materials Science and Engineering. Vol. 315, pp.122-128, 2015.##
9. Jong, P., Jin, S. “Effect of Die Shape on the Deformation Behavior in Equal-Channel Angular Pressing”, Metallurgical and materials transaction. Vol. 32, No. 2, pp.26-30, 2014.##

10. Guoqun, Z., Shubo, X., Yiguo L., Yanjin, G., Ning, L., and Xufang, R. “Grain refinement mechanism analysis and experimental investigation of equal channel angular pressing for producing pure aluminum ultra-fine grained materials”, Materials Science and Engineering. Vol. 3, No. 4, pp.      281–292, 2006.##

11. Dumoulin, S. H., Roven, H.J., Werenskiold, H., and Valberg, H.S. “Finite element modeling of equal channel angular pressing: Effect of material properties, friction and die geometry”, Materials Science and Engineering. Vol. 221, No.4, pp.248–251, 2005.##

12. Mohebbi, M.S., and Akbarzadeh, V. “Accumulative spin-bonding (ASB) as a novel SPD process for fabrication of nanostructured tubes”, Int. Materials Science and Engineering, Vol. 528, No.1, pp.180–188, 2010.##

13. Toth, L.S., Arzaghi, M., Fundenberger, J. J., Beausir, B., Bouaziz, O., and Arruffat, M. R. “Severe plastic deformation of metals by          high-pressure tube twisting”, Int. Scripta Materialia, Vol. 60, No. 3, pp.175–177, 2009.##

14. Faraji, G.H., Babaei, A., Mashhadi, M.M., and Abrinia, K. “Parallel tubular channel angular pressing (PTCAP) as a new severe plastic deformation method for cylindrical tubes”, Int. Materials Letters. Vol. 77, pp.82-85, 2012.##

15. Ghadiri, M., Mahmoud, M.M., Ghamami, M. “Study of effective parameters of Parallel Tubular Channel Angular Pressing (PTCAP)”, Int. Modares Mechanical Engineering. Vol. 14, No. 16, pp.     27-33, 2015.##

16. Zangiabadi, A., and Kazeminezhad, M. “Development of a novel severe plastic deformation method for tubular materials”, Materials Science and Engineering, Vol. 528, pp.5066–5072, 2001.##

17. Djavanroodi, F., Zolfaghari, A.A., Ebrahimi, M., and Nikbin, K.M. “Equal Channel Angular Pressing of Tubular Samples”, Int. Acta Metall. Sin. Vol. 26, No. 5, pp.574-580, 2013.##

18. Borhani, M., and Djavanroodi, F. “Rubber pad-constrained groove pressing process: Experimental and finite element investigation”, Int. Materials Science and Engineering. Vol. 546, pp.1-7, 2012.##

19. Faraji, Gh., Mashhad, M.M., Kim, H.S.  “Deformation Behavior in Tubular Channel Angular Pressing (TCAP) Using Triangular and Semicircular Channels”, Int. Materials Transactions. Vol. 53, No. 1, pp.8-12, 2012.##

20. Abaqus, D. S. “ALE adaptive meshing”; http://abaqus.software.polimi.it/v6.14/books/usb/default.htm?startat=pt04ch12s02.html#usbaremesh.##

21. Riazat, M., and Faraji, G. “Size Effect Channel Angular Pressing (ECAP) Process”, Vol. 3, No. 3, pp.3-12, 2015.##