A comparison of FEM and upper-bound type analysis of equal-channel angular pressing (ECAP)

Journal of Materials Processing Technology

Volumn 141, Issue 3, 2003, Pages 313-318

  Alkorta, Jon ^a   Gil Sevillano, Javier ^a  

^a UNIVERSITY OF NAVARRA   (Spain)

Author keywords

Equal channel angular pressing; FEM analysis; Strain hardening; Upper bound analysis

Indexed keywords

APPROXIMATION THEORY; FINITE ELEMENT METHOD; FRICTION; PLASTICITY; STRAIN HARDENING;

UPPER-BOUND ANALYSIS;

PRESSING (FORMING);

EID: 0041691079     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0924-0136(03)00282-6     Document Type: Article

References (14)

1. Segal V.M. Materials processed by simple shear. Mater. Sci. Eng. A. 197:1995;157-164.
2. Valiev R.Z., Islamgaliev R.K., Alexandrov I.V. Bulk nanostructured materials from severe plastic deformation. Prog. Mater. Sci. 45:2000;103-189.
3. R.E. Goforth, K.T. Hartwig, L.R. Cornwell, Severe plastic deformation of materials by equal-channel angular extrusion (ECAE), Investigations and Applications of Severe Plastic, in: Deformation, T.C. Lowe, R.Z. Valiev (Eds.), Kluwer Academic Publishers, Dordrecht (Netherlands), 2000, pp. 3-12.
4. DeLo D.P., Semiatin S.L. Finite-element modelling of nonisothermal equal-channel angular extrusion. Metall. Mater. Trans. A. 30:1999;1391-1402.
5. Kim H.S., Seo M.H., Hong S.I. On the die corner gap formation in equal channel angular pressing. Mater. Sci. Eng. A. 291:2000;86-90.
6. Srinavasan R. Computer simulation of the equichannel angular extrusion (ECAE) process. Scripta Mater. 44:2001;91-96.
7. Prangnell P.B., Harris C., Roberts S.M. Finite element modelling of equal-channel angular extrusion. Scripta Mater. 37:1997;983-989.
8. Bowen J.R., Gholinia A., Roberts S.M., Prangnell P.B. Analysis of the billet deformation behaviour in equal channel angular extrusion. Mater. Sci. Eng. A. 287:2000;87-99.
9. Kim H.S., Hong S.I., Seo M.H. Effects of strain hardenability and strain-rate sensitivity on the plastic flow and deformation homogeneity during equal channel angular pressing. J. Mater. Res. 16:2001;856-864.
10. Kim H.S. Finite element analysis of equal channel angular pressing using a round corner die. Mater. Sci. Eng. A. 315:2001;122-128.
11. Iwahashi Y., Wang J., Horita Z., Nemoto M., Langdon T.G. Principle of equal-channel angular pressing for the processing of ultra-fine grained materials. Scripta Mater. 35:1996;143-146.
12. H. Cui, Computational modelling of equal channel angular extrusion, Ph.D. Dissertation, Department of Mechanical Engineering, Texas A&M University, College Station, TX, 1996.
13. Gil Sevillano J., van Houtte P., Aernoudt E. Large strain work hardening and textures. Prog. Mater. Sci. 25:1981;69-412.
14. Moon B.S., Kim H.S., Hong S.I. Plastic flow and deformation homogeneity of 6061 Al during equal channel angular pressing. Scripta Mater. 46:2002;131-136.