Sandwich sheet structures are gaining a wide array of applications in the aeronautical, marine, automotive, and civil engineering fields. Since such sheets can be subjected to forming/stamping processes, it is crucial to characterize their limiting amount of deformation before trying out any forming/stamping process. To achieve this goal, sandwich sheets of Al 3105/polymer/Al 3105 were prepared using thin film hot melt adheres. Through an experimental effort, forming limit diagrams (FLDs) of the prepared sandwich sheets were evaluated. In addition, simulation efforts were conducted to predict the FLDs of the sandwich sheets using finite element analysis (FEA) by considering the Gurson–Tvergaard–Needleman (GTN) damage model. The agreement among the experimental results and simulated predictions was promising. The effects of different parameters such as polymer core thickness, aluminum face sheet thickness, and shape constraints were investigated on the FLDs.
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July 2013
Research-Article
Forming Limit Diagram Determination of Al 3105 Sheets and Al 3105/Polypropylene/Al 3105 Sandwich Sheets Using Numerical Calculations and Experimental Investigations
M. H. Parsa,
M. H. Parsa
1
Professor
College of Engineering,
University of Tehran,
P.O. Box 11155/4563,
14399 Tehran, Iran
e-mail: mhparsa@ut.ac.ir
School of Metallurgy and Materials Engineering
,College of Engineering,
University of Tehran,
P.O. Box 11155/4563,
14399 Tehran, Iran
e-mail: mhparsa@ut.ac.ir
1Corresponding author.
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M. Ettehad,
M. Ettehad
Zachry
Texas A&M University,
College Station, TX 77843
e-mail: mah.ettehad@gmail.com
Department of Civil Engineering
,Texas A&M University,
College Station, TX 77843
e-mail: mah.ettehad@gmail.com
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P. H. Matin
P. H. Matin
Associate Professor
Department of Engineering and
University of Maryland Eastern Shore,
Princess Anne, MD 21853
e-mail: phmatin@umes.edu
Department of Engineering and
Aviation Sciences
,University of Maryland Eastern Shore,
Princess Anne, MD 21853
e-mail: phmatin@umes.edu
Search for other works by this author on:
M. H. Parsa
Professor
College of Engineering,
University of Tehran,
P.O. Box 11155/4563,
14399 Tehran, Iran
e-mail: mhparsa@ut.ac.ir
School of Metallurgy and Materials Engineering
,College of Engineering,
University of Tehran,
P.O. Box 11155/4563,
14399 Tehran, Iran
e-mail: mhparsa@ut.ac.ir
M. Ettehad
Zachry
Texas A&M University,
College Station, TX 77843
e-mail: mah.ettehad@gmail.com
Department of Civil Engineering
,Texas A&M University,
College Station, TX 77843
e-mail: mah.ettehad@gmail.com
P. H. Matin
Associate Professor
Department of Engineering and
University of Maryland Eastern Shore,
Princess Anne, MD 21853
e-mail: phmatin@umes.edu
Department of Engineering and
Aviation Sciences
,University of Maryland Eastern Shore,
Princess Anne, MD 21853
e-mail: phmatin@umes.edu
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the Journal of Engineering Materials and Technology. Manuscript received April 6, 2012; final manuscript received December 19, 2012; published online May 6, 2013. Assoc. Editor: Mohammad A. Khaleel.
J. Eng. Mater. Technol. Jul 2013, 135(3): 031003 (12 pages)
Published Online: May 6, 2013
Article history
Received:
April 6, 2011
Revision Received:
December 19, 2012
Citation
Parsa, M. H., Ettehad, M., and Matin, P. H. (May 6, 2013). "Forming Limit Diagram Determination of Al 3105 Sheets and Al 3105/Polypropylene/Al 3105 Sandwich Sheets Using Numerical Calculations and Experimental Investigations." ASME. J. Eng. Mater. Technol. July 2013; 135(3): 031003. https://doi.org/10.1115/1.4023848
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