Upper-bound analysis of dual equal channel lateral extrusion

Materials and Design

Volumn 30, Issue 5, 2009, Pages 1484-1489

  Talebanpour, B ^a   Ebrahimi, R ^a  

^a SHIRAZ UNIVERSITY   (Iran)

Author keywords

A. Aluminum; C. Extrusion; F. Plastic behavior

Indexed keywords

A. ALUMINUM; ANGULAR DEFORMATIONS; BOUND FORMULATIONS; C. EXTRUSION; DEFORMATION MODES; EFFECTIVE STRAINS; EXTRUSION PRESSURES; F. PLASTIC BEHAVIOR; LATERAL EXTRUSIONS; MATERIAL PROCESSING; UPPER-BOUND ANALYSIS;

ALUMINA; DEFORMATION; STRAIN RATE;

EXTRUSION;

EID: 60249085033     PISSN: 02641275     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.matdes.2008.08.006     Document Type: Article

References (20)

1. Segal V.M. Materials processing by simple shear. Mater Sci Eng A 197 (1995) 157-164
2. Segal V.M. Engineering and commercialization of equal channel angular extrusion (ECAE). Mater Sci Eng A 386 (2004) 269-276
3. Nagasekhar A.V., Tick-Hon Y., and Seow H.P. Deformation behavior and strain homogeneity in equal channel angular extrusion/pressing. J Mater Process Technol 192-193 (2007) 449-452
4. Alexander D.J. New methods for severe plastic deformation processing. J Mater Eng Perform 16 (2007) 360-374
5. Prangnell P.B., Harris C., and Roberts S.M. Finite element modeling of equal channel angular extrusion. Scripta Mater 37 (1997) 983-989
6. Semiatin S.L., Delo D.P., and Shell E.B. The effect of material properties and tooling design on deformation and fracture during equal channel angular extrusion. Acta Mater 48 (2000) 1841-1851
7. Bowen J.R., Gholina A., Roberts S.M., and Prangnell P.B. Analysis of the billet deformation behavior in equal channel angular extrusion. Mater Sci Eng A 287 (2000) 87-99
8. Segal V.M. Slip line solutions, deformation mode and loading history during equal channel angular extrusion. Mater Sci Eng A 345 (2003) 36-46
9. Altan B.S., Purce G., and Miskioglu I. An upper-bound analysis for equal-channel angular extrusion. J Mater Process Technol 168 (2005) 137-146
10. Eivani A.R., and Karimi Taheri A. An upper bound solution of ECAE process with outer curved corner. J Mater Process Technol 182 (2007) 555-563
11. Perez C.J.L., and Luri R. Study of the ECAE process by the upper-bound method considering the correct die design. Mech Mater 40 (2008) 617-628
12. Reihanian M., Ebrahimi R., and Moshksar M.M. Upper-bound analysis of equal channel angular extrusion using linear and rotational velocity fields. J Mater Design 30 (2009) 28-34
13. Avitzur B., and Pachla W. The upper-bound approach to plain strain problems using linear and rotational velocity fields - Part I: basic concepts. J Eng Ind 168 (1986) 295-306
14. Avitzur B., and Pachla W. The upper-bound approach to plain strain problems using linear and rotational velocity fields - Part II: applications. J Eng Ind 168 (1986) 307-316
15. Lee D.N. An upper-bound solution of channel angular deformation. Scripta Mater 43 (2000) 115-118
16. Alkorta J., and Sevillano J.G. A comparison of FEM and upper-bound type analysis of equal-channel angular pressing (ECAP). J Mater Process Technol 141 (2003) 313-318
17. Avitzur B. Metal forming: processes and analysis. 1st ed. (1968), McGraw-Hill, New York
18. Ebrahimi R., and Najafizadeh A. A new method for evaluation of friction in bulk metal forming. J Mater Process Technol 152 (2004) 136-143
19. Eivani A.R., and Karimi Taheri A. A new method for estimating strain in equal channel angular extrusion. J Mater Process Technol 183 (2007) 148-153
20. Iwahashi Y., Wang J., Horit Z., Nemoto M., and Longdon T.G. Principle of equal channel angular pressing for the processing of ultra-fine grained materials. Scripta Mater. 35 (1996) 143-146