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TECHNICAL PAPERS

Torsion/Simple Shear of Single Crystal Copper

[+] Author and Article Information
M. F. Horstemeyer, J. Lim, W. Y. Lu

Center for Materials and Engineering Sciences, Sandia National Laboratories, Livermore, CA 94551-0969

D. A. Mosher

UTRC MS129-73, 411 Silver Lane East, East Hartford, CT 06108

M. I. Baskes

MST-8, Los Alamos National Laboratory, Los Alamos, NM 87545

V. C. Prantil

Milwaukee School of Engineering, Mechanical Engineering Department, S229, Milwaukee, WI 53202-3109

S. J. Plimpton

Sandia National Laboratories, Albuquerque, NM 87185-5800

J. Eng. Mater. Technol 124(3), 322-328 (Jun 10, 2002) (7 pages) doi:10.1115/1.1480407 History: Received April 11, 2001; Revised December 11, 2001; Online June 10, 2002
Copyright © 2002 by ASME
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References

Figures

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Finite element simulation of single crystal Cu showing (a) one Euler angle and (b) the correlating displacements to illustrate the oscillating pattern in simple shear
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Finite element simulation of single crystal Cu showing (a) one Euler angle and (b) the correlating displacements to illustrate the oscillating pattern in torsion
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Pictures of two single Cu crystal torsional specimens
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Schematic of MTS multiaxial test system
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Torque-rotation curves for two different single crystal Cu specimens that had an axial orientation in the [110] direction
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Close-up view of specimens at 35% shear strain illustrating wavy pattern on outside of bar
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Schematic of simulation block of atoms for (a) simple shear initial state, (b) simple shear at large strain, (c) torsion initial state, and (d) torsion at large strain in which the clear circles represent the active atoms and dark circles represent the boundary atoms
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Plot of atoms showing relative displacements from original positions for a specimen under simple shear
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Plot of atoms showing relative displacements from original positions for (a) hollow cylinder and (b) solid cylinder under torsion. Lines show relative displacements

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