Inelastic Anisotropy of Inconel 718: Experiments and Mathematical Representation

Saiganesh K. Iyer; Cliff J. Lissenden

doi:10.1115/1.482804

Journal of Engineering Materials and Technology | Volume 122 | Issue 3 | TECHNICAL PAPERS

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TECHNICAL PAPERS

Inelastic Anisotropy of Inconel 718: Experiments and Mathematical Representation

Saiganesh K. Iyer and Cliff J. Lissenden

[+] 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

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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, σ_t=303 MPa,c=10⁻⁵ MPa⁻¹); (a) principal stress space, (b) loci in deviatoric planes for I₁=−7800, −6300, −4800, −3300, −1800, −300 MPa

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Iyer SK, Lissenden CJ. Inelastic Anisotropy of Inconel 718: Experiments and Mathematical Representation. ASME. J. Eng. Mater. Technol. 2000;122(3):321-326. doi:10.1115/1.482804.

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Inelastic Anisotropy of Inconel 718: Experiments and Mathematical Representation

References

Figures

Tensile and compressive stress-strain responses of Inconel 718

Initial 30 μm/m yield surfaces for Inconel 718 at (a) 25°C and (b) 650°C. Symbols denote different specimens.

Threshold surface for Inconel 718 at 650°C (m=1/2, χ=1.96, σ_t=303 MPa,c=10⁻⁵ MPa⁻¹); (a) principal stress space, (b) loci in deviatoric planes for I₁=−7800, −6300, −4800, −3300, −1800, −300 MPa

Effective stress paths with I₁ changing—J₂ and J₃ constant

Effective stress paths with J₂ changing—I₁ and J₃ constant

Effective stress paths with J₃ changing—I₁ and J₂ constant

Stress path with I₁ constant, J₂ rate constant and J₃ changing

Stress path with J₃ constant, J₂ rate constant and I₁ changing

Effective stress invariants for two proportional loading paths

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Errata

Discussions

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Inelastic Anisotropy of Inconel 718: Experiments and Mathematical Representation

References

Figures

Tensile and compressive stress-strain responses of Inconel 718

Initial 30 μm/m yield surfaces for Inconel 718 at (a) 25°C and (b) 650°C. Symbols denote different specimens.

Threshold surface for Inconel 718 at 650°C (m=1/2, χ=1.96, σt=303 MPa,c=10−5 MPa−1); (a) principal stress space, (b) loci in deviatoric planes for I1=−7800, −6300, −4800, −3300, −1800, −300 MPa

Effective stress paths with I1 changing—J2 and J3 constant

Effective stress paths with J2 changing—I1 and J3 constant

Effective stress paths with J3 changing—I1 and J2 constant

Stress path with I1 constant, J2 rate constant and J3 changing

Stress path with J3 constant, J2 rate constant and I1 changing

Effective stress invariants for two proportional loading paths

Tables

Errata

Discussions

Related Content

Journals

Conference Proceedings

eBooks

Threshold surface for Inconel 718 at 650°C (m=1/2, χ=1.96, σ_t=303 MPa,c=10⁻⁵ MPa⁻¹); (a) principal stress space, (b) loci in deviatoric planes for I₁=−7800, −6300, −4800, −3300, −1800, −300 MPa

Effective stress paths with I₁ changing—J₂ and J₃ constant

Effective stress paths with J₂ changing—I₁ and J₃ constant

Effective stress paths with J₃ changing—I₁ and J₂ constant

Stress path with I₁ constant, J₂ rate constant and J₃ changing

Stress path with J₃ constant, J₂ rate constant and I₁ changing