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Transactions of the Indian Institute of Metals

, Volume 72, Issue 10, pp 2827–2838 | Cite as

Non-equal Channel Multi-Angular Extrusion (NECMAE): A Design for Severe Plastic Deformation—Proof of Concept

  • Mohamed S. El-AsfouryEmail author
  • Mohamed N. A. Nasr
  • Ahmed Abdel-Moneim
Technical Paper
  • 52 Downloads

Abstract

Equal channel angular pressing (ECAP) is currently the most widely used severe plastic deformation (SPD) process. The current work presents a validated finite element modelling for a new SPD process named “non-equal channel multi-angular extrusion (NECMAE)”. NECMAE is combined of two stages; the first stage is a standard ECAP, while the second stage experiences a reduction in cross-sectional area. The effects of different reduction in area—in NECMAE—on material plastic deformation, corner gap, stress distribution and required load were examined. In addition, a mathematical model was developed in order to trace the shear strains imposed on the material at different stages. Cases with higher reduction in area were found to have smaller corner gap, higher and uniform plastic deformation, as well as higher loads. The magnitude of maximum stresses was unaffected by different designs; the shape and size of the highly stressed material varied with die design. The current results were explained in terms of; (1) back pressure; (2) strain hardening; (3) shear angle of the second stage; and (4) shear strain history.

Keywords

Sever plastic deformation (SPD) Finite element modelling (FEM) Mathematical modelling Non-equal channel multi-angular extrusion (NECMAE) Multi-pass 

Notes

Acknowledgements

The authors gratefully acknowledge the Missions Sector—Egyptian Ministry of Higher Education for financially supporting the current research project. Also, they would like to thank the Japan International Cooperation Agency (JICA) for its continuous support to Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt.

References

  1. 1.
    Segal V M, Reznikov V I, Drobyshevskii A E, and Kopylov V I, Plastic Metal Working by Simple Shear. Izv Akad Nauk SSSR Met (1981) 115. http://www.scopus.com/inward/record.url?eid=2-s2.0-0019392095&partnerID=40&md5=0e4f3b3572a2c0a92dcf8d4cae3b5629.
  2. 2.
    El-Danaf E A, Soliman M S, Almajid A A, and El-Rayes M M, Mater Sci Eng A 458 (2007) 226  https://doi.org/10.1016/j.msea.2006.12.077.CrossRefGoogle Scholar
  3. 3.
    El-Asfoury M S, Nasr M N A, Nakamura K, and Abdel-Moneim A, J Electron Mater 47 (2018) 242.  https://doi.org/10.1007/s11664-017-5755-7.CrossRefGoogle Scholar
  4. 4.
    Furukawa M, Horita Z, and Langdon T G, Mater Sci Eng A 332 (2002) 97.  https://doi.org/10.1016/s0921-5093(01)01716-6.CrossRefGoogle Scholar
  5. 5.
    R M R, Venkatraman R, Raghuraman S, and Forging S P, Int J Recent Res Appl Stud 12 (2012) 477.Google Scholar
  6. 6.
    Soltantabar M, Krishnaiah D A, and Tari A, IOSR J Mech Civ Eng 10 (2014) 01.  https://doi.org/10.9790/1684-1060105.CrossRefGoogle Scholar
  7. 7.
    Mazurina I, Sakai T, Miura H, Sitdikov O, and Kaibyshev R, Mater Sci Eng A 473 (2008) 297.  https://doi.org/10.1016/j.msea.2007.04.112.CrossRefGoogle Scholar
  8. 8.
    Altan B, Severe Plastic Deformation: Toward Bulk Production of Nanostructured Materials, Nova Science, Hauppauge (2006).Google Scholar
  9. 9.
    Ramulu P J, Lavanya A, Design and Fabrication of Equal Channel Angular Extrusion Process Analysis for Non-ferrous Materials, Anchor Academic Publishing, Hamburg (2017).Google Scholar
  10. 10.
    Iwahashi Y, Wang J, Horita Z, Nemoto M, and Langdon T G, Scr Mater 35 (1996) 143.  https://doi.org/10.1016/1359-6462(96)00107-8.CrossRefGoogle Scholar
  11. 11.
    Dobatkin S, Investigations and Applications of Severe Plastic Deformation, Lowe T C, Valiev R Z (eds) nATo Science Series (2000). http://scholar.google.com/scholar?hl=en&btnG=Search&q=intitle:Investigations+and+Applications+of+Severe+Plastic+Deformation+NATO+Science+Series#1 (accessed November 10, 2014).
  12. 12.
    Eivani A R, Ahmadi S, Emadoddin E, Valipour S, and Karimi Taheri A, Comput Mater Sci 44 (2009) 1116.  https://doi.org/10.1016/j.commatsci.2008.07.025.CrossRefGoogle Scholar
  13. 13.
    Segal V M, Mater Sci Eng A 345 (2003) 36.  https://doi.org/10.1016/s0921-5093(02)00258-7.CrossRefGoogle Scholar
  14. 14.
    Eivani A R, and Karimi Taheri A, J Mater Process Technol 183 (2007) 148.  https://doi.org/10.1016/j.jmatprotec.2006.09.020.CrossRefGoogle Scholar
  15. 15.
    Lee J C, Seok H K, and Suh J Y, Acta Mater 50 (2002) 4005.  https://doi.org/10.1016/s1359-6454(02)00200-8.CrossRefGoogle Scholar
  16. 16.
    Ghazani M S, and Mosadeg B, J Adv Mater 2 (2014) 47. http://www.jmatpro.ir/article_4612_742.html (accessed November 10, 2014).
  17. 17.
    Gurăua G, Indian J 21 (2014) 253. http://nopr.niscair.res.in/handle/123456789/28983 (accessed November 10, 2014).
  18. 18.
    Furui M, Kitamura H, Anada H, and Langdon T G, Acta Mater 55 (2007) 1083.  https://doi.org/10.1016/j.actamat.2006.09.027.CrossRefGoogle Scholar
  19. 19.
    Nakashima K, Horita Z, Nemoto M, and Langdon T G, Acta Mater 46 (1998) 1589.  https://doi.org/10.1016/s1359-6454(97)00355-8.CrossRefGoogle Scholar
  20. 20.
    Hasani A, Tóth L S, Beausir B, J Eng Mater Technol 132 (2010) 031001.  https://doi.org/10.1115/1.4001261.CrossRefGoogle Scholar
  21. 21.
    El-Asfoury M S, Nasr M N A, and Abdel-Moneim A, Effect of friction on material behaviour in non-equal channel multi angular extrusion (NECMAE), in: 2016: p. 103.  https://doi.org/10.2495/hpsm160101.
  22. 22.
    Surendarnath S, Sankaranarayanasamy K, and Ravisankar B, IOP Conf Ser Mater Sci Eng 63 (2014) 012011.  https://doi.org/10.1088/1757-899x/63/1/012011.CrossRefGoogle Scholar
  23. 23.
    Kim H, ABAQUS/CAE Tutorial: Analysis of an Aluminum Bracket, Online (2004) 1–18.Google Scholar
  24. 24.
    Balasundar I, Sudhakara Rao M, and Raghu T, Mater Des 30 (2009) 1050. https://doi.org/10.1016/j.matdes.2008.06.057.CrossRefGoogle Scholar
  25. 25.
    Sharma S, Raghav A K, and Kumar S, AIP Conf Proc 9359 (2014) 112.Google Scholar
  26. 26.
    Kim H S, Seo M H, and Hong S I, Mater Sci Eng A 291 (2000) 86.  https://doi.org/10.1016/s0921-5093(00)00970-9.CrossRefGoogle Scholar
  27. 27.
    Li S, Bourke M A M, Beyerlein I J, Alexander D J, and Clausen B, Mater Sci Eng A 382 (2004) 217.  https://doi.org/10.1016/j.msea.2004.04.067.CrossRefGoogle Scholar
  28. 28.
    Cerri E, De Marco P P, and Leo P, J Mater Process Technol 209 (2009) 1550.  https://doi.org/10.1016/j.jmatprotec.2008.04.013.CrossRefGoogle Scholar

Copyright information

© The Indian Institute of Metals - IIM 2019

Authors and Affiliations

  1. 1.Department of Production Engineering and Mechanical Design, Faculty of EngineeringPort-Said UniversityPort-SaidEgypt
  2. 2.Department of Mechanical Engineering, Faculty of EngineeringAlexandria UniversityAlexandriaEgypt
  3. 3.Department of Materials Science and EngineeringEgypt-Japan University of Science and TechnologyAlexandriaEgypt

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