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TECHNICAL PAPERS

Planar Double-Slip Model for Polycrystal Plasticity and Micro Tension Tests of Pure Nickel and Copper

[+] Author and Article Information
Hong-Ki Hong, Bing-Chang Shih

Department of Civil Engineering, Taiwan University, Taipei, Taiwan

Chein-Shan Liu

Department of Mechanical and Marine Engineering, Taiwan Ocean University, Keelung, Taiwan

Ya-Po Shiao

Science and Technology Information Center, National Science Council, Taipei, Taiwan

J. Eng. Mater. Technol 124(3), 314-321 (Jun 10, 2002) (8 pages) doi:10.1115/1.1479355 History: Received September 03, 2001; Revised February 18, 2002; Online June 10, 2002
Copyright © 2002 by ASME
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References

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Dafalias,  Y. F., 1993, “Planar double-slip micromechanical model for polycrystal plasticity,” J. Eng. Mech., 119, pp. 1260–1284.
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Figures

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The micro-forcing-heating device together with the micro-recorder-image analyzer system
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Geometry of the foil specimen
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Configuration of the planar double-slip model for a single crystal. e1 is in the longitudinal (tensile) direction of the specimen.
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Under external loading a polycrystalline material which initially has a random distribution of grain orientations exhibits a certain texture with an evolving nonuniform ODF
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Optical micrographs of deformation process of a nickel specimen in uniaxial tension: (a) original state at 0 second, (b) at 100 seconds, (c) at 200 seconds, (d) at 300 seconds, (e) at 400 seconds, and (f ) at 500 seconds before the specimen ruptured
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Comparison of experimental macro data with theoretical simulation for the tensile stress-strain curve of nickel
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Comparison of observed micro data with theoretical simulation for orientation evolution of nickel
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Comparison of experimental macro data with theoretical simulation for the tensile stress-strain curve of copper
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Comparison of observed micro data with theoretical simulation for orientation evolution of copper

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