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Severe Plastic Deformation of Difficult-to-Deform Materials at Near-Ambient Temperatures

  • Symposium: Ultrafine-Grained Materials: From Basics to Application
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Abstract

Plane-strain machining can be used to impart large plastic strains in alloys that are difficult to deform by other severe plastic deformation (SPD) processes. By cutting at low speeds, the heating caused by friction with the tool can be reduced to insignificant levels. The utility of this approach for characterizing microstructure development in SPD is demonstrated using a variety of commercial alloys that exhibit different deformation behaviors and strengthening mechanisms, including CP-titanium, aluminum alloy 6061-T6, nickel-base superalloy IN-718, and pearlitic plain-carbon steel.

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Notes

  1. INCONEL-718 and IN-718 are trademarks of INCO Alloys International, Huntington, WV.

  2. JEOL is a trademark of Japan Electron Optics Ltd., Tokyo.

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Acknowledgments

The authors acknowledge the United States Department of Energy (Grant No. 4000031768 via UT–Battelle, Dr. Ray Johnson, Program Manager), Oak Ridge National Laboratory, the NSF (Grant No. DMI-0500216), and Sandia National Laboratory (Dr. Pin Yang, Technical Program Manager) for supporting this work.

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Authors and Affiliations

  1. Department of Industrial Engineering, University of Pittsburgh, Pittsburgh, PA, 15261, USA

    M. Ravi Shankar (Assistant Professor)

  2. Center for Materials Processing and Tribology, School of Industrial Engineering, Purdue University, West Lafayette, IN, 47907, USA

    R. Verma (Graduate Student), B.C. Rao (Postdoctoral Fellow), S. Chandrasekar (Professor) & W.D. Compton (Lillian M. Gilbreth Distinguished Professor Emeritus)

  3. School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA

    A.H. King (Professor, Head) & K.P. Trumble (Professor)

Authors
  1. M. Ravi Shankar
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  2. R. Verma
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  3. B.C. Rao
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  4. S. Chandrasekar
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  5. W.D. Compton
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  6. A.H. King
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  7. K.P. Trumble
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Corresponding author

Correspondence to S. Chandrasekar.

Additional information

This article is based on a presentation made in the symposium entitled “Ultrafine-Grained Materials: from Basics to Application,” which occurred September 25–27, 2006 in Kloster Irsee, Germany.

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Ravi Shankar, M., Verma, R., Rao, B. et al. Severe Plastic Deformation of Difficult-to-Deform Materials at Near-Ambient Temperatures. Metall Mater Trans A 38, 1899–1905 (2007). https://doi.org/10.1007/s11661-007-9257-8

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  • DOI: https://doi.org/10.1007/s11661-007-9257-8

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