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Modeling Mechanical Behavior of Materials Processed by Accumulative Roll Bonding

[+] Author Affiliations
Justin L. Milner, Cristina J. Bunget, Thomas R. Kurfess

Clemson University, Greenville, SC

Vincent H. Hammond

US Army Research Laboratory, Aberdeen Proving Ground, MD

Paper No. MSEC2012-7233, pp. 77-86; 10 pages
doi:10.1115/MSEC2012-7233
From:
  • ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing
  • ASME 2012 International Manufacturing Science and Engineering Conference
  • Notre Dame, Indiana, USA, June 4–8, 2012
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5499-0
  • Copyright © 2012 by ASME

abstract

Nanostructured materials are a relatively new class of materials that exhibit high strength and toughness, thus improving performance and capabilities of products, with potential applications to automotive, aerospace and defense industries. Among the severe plastic deformation (SPD) methods currently used for achieving nanoscale structure of a material, accumulative roll bonding (ARB) is the most favorable method to produce grain refinement for continuous production of metallic sheets at a bulk scale. ARB is a deformation technique where metallic sheets are repeatedly prepared, stacked and rolled together, usually to a reduction of 50% in thickness.

The main objective of this paper is to create a model that relates the process parameters and number of ARB cycles to the mechanical properties of the resultant material. The model established in this study can be a useful tool in designing the process and establishing the number of cycles needed in order to achieve the desired properties. Accumulative roll bonding experiments of various materials are analyzed and the resultant materials strength, at the corresponding ARB cycles, is modeled with good agreement.

Copyright © 2012 by ASME

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