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TECHNICAL PAPERS

Investigation of Strain Hardening in NiAl Single Crystals Using Three-Dimensional FEA Models

[+] Author and Article Information
Chulho Yang, Ashok V. Kumar

Department of Mechanical Engineering, University of Florida, Gainesville, FL 32611

J. Eng. Mater. Technol 123(1), 20-27 (Dec 18, 1999) (8 pages) doi:10.1115/1.1286158 History: Received July 07, 1999; Revised December 18, 1999
Copyright © 2001 by ASME
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References

Figures

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Experimental load versus elongation (loading in [110] direction)
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Active slips systems of NiAl for loading along [110] orientation
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(a) Resolved shear strain versus time (case I). (b) Flow stress versus time (case I).
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(a) Deformed mesh, (b) strain in Y-dir., (c) stress in Y-dir. (case I: 20 percent nominal strain)
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(a) Resolved shear strain versus time (case II (a)). (b) Flow stress versus time (case II (a)).
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(a) Resolved shear strain versus time (case II (b)). (b) Critical resolved shear stress versus time (case II (b)).
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(a) Deformed mesh, (b) strain in Y-dir., (c) stress in Y-dir. (case II (b) at 40 percent nominal strain)
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Resolved shear strain versus time (case III (a))
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Resolved shear strain versus time (case III (b))
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Load versus displacement

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