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TECHNICAL PAPERS

Inelastic Anisotropy of Inconel 718: Experiments and Mathematical Representation

[+] Author and Article Information
Saiganesh K. Iyer, Cliff J. Lissenden

Department of Engineering Science and Mechanics, Penn State University, University Park, PA 16802

J. Eng. Mater. Technol 122(3), 321-326 (Mar 15, 2000) (6 pages) doi:10.1115/1.482804 History: Received November 02, 1999; Revised March 15, 2000
Copyright © 2000 by ASME
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References

Figures

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Tensile and compressive stress-strain responses of Inconel 718
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Initial 30 μm/m yield surfaces for Inconel 718 at (a) 25°C and (b) 650°C. Symbols denote different specimens.
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Threshold surface for Inconel 718 at 650°C (m=1/2, χ=1.96, σt=303 MPa,c=10−5MPa−1); (a) principal stress space, (b) loci in deviatoric planes for I1=−7800, −6300, −4800, −3300, −1800, −300 MPa
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Effective stress paths with I1 changing—J2 and J3 constant
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Effective stress paths with J2 changing—I1 and J3 constant
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Effective stress paths with J3 changing—I1 and J2 constant
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Stress path with I1 constant, J2 rate constant and J3 changing
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Stress path with J3 constant, J2 rate constant and I1 changing
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Effective stress invariants for two proportional loading paths

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