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TECHNICAL PAPERS

Generation of Cyclic Stress-Strain Curves for Sheet Metals

[+] Author and Article Information
K. M. Zhao, J. K. Lee

The Ohio State University, 206 West 18th Avenue, Columbus, OH 43210

J. Eng. Mater. Technol 123(4), 391-397 (Jul 24, 2000) (7 pages) doi:10.1115/1.1395021 History: Received July 24, 2000
Copyright © 2001 by ASME
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References

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Figures

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Schematics of cyclic three-point bending test
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Punch load versus time (four sets of experimental data)
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Surface strain versus time (four sets of experimental data; solid line-top surface; dash line-bottom surface)
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Bending angle versus time (four sets of experimental data)
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Typical convergence pattern of the objective function
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Typical convergence of scaled material parameters in the identification process using micro genetic algorithms
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Experimental and simulated bending moments for SPCEN
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Evolution of yield surface for SPCEN
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Generated stress-strain curve and tension test data for SPCEN
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Experimental and simulated bending moments for SPRC
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Evolution of yield surface for SPRC
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Generated stress-strain curve and tension test data for SPRC
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Bending stress-strain curves with base values and the identified values of case 1
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Evolution of yield surface with base values and the identified values of case 1

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