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TECHNICAL PAPERS

Simulation of the Age Forming Process

[+] Author and Article Information
K. Idem

Fleetguard/Nelson, Cookeville, TN 38502

J. Peddieson

Department of Mechanical Engineering, Tennessee Technological University, Cookeville, TN 38505

J. Manuf. Sci. Eng 127(1), 165-172 (Mar 21, 2005) (8 pages) doi:10.1115/1.1828058 History: Received August 05, 2003; Revised February 10, 2004; Online March 21, 2005
Copyright © 2005 by ASME
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References

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Hart,  E. W., 1976, “Constitutive Relations for the Nonelastic Deformation of Metals,” ASME J. Eng. Mater. Technol., 98, pp. 193–202.
Walker, K. P., and Wilson, D. A., 1983, “Constitutive Modeling for Engine Materials,” United Technologies Pratt and Whitney Report FR-17911.
Foroudastan,  S., Peddieson,  J., and Holman,  M. C., 1992, “Application of a Unified Viscoplastic Model to Simulation of Autoclave Age Forming,” ASME J. Eng. Mater. Technol., 114, pp. 71–76.
Sallah,  M., Peddieson,  J., and Foroudastan,  S., 1991, “A Mathematical Model of Autoclave Age Forming,” J. Mater. Process. Technol., 28, pp. 211–219.
Narimetla,  S., Peddieson,  J., Buchanan,  G., and Foroudastan,  S., 1998, “A Simulation Procedure for Panel Age Forming,” ASME J. Eng. Mater. Technol., 120, pp. 183–190.
Narimetla,  S., Peddieson,  J., Buchanan,  G., and Foroudastan,  S., 1998, “Simulation of Stringer Age Forming,” Developments in Theoretical and Applied Mechanics,19, pp. 430–441.
Narimetla,  S., Peddieson,  J., Buchanan,  G., and Foroudastan,  S., 2000, “A Simple Unified Age Forming Model,” Mech. Res. Commun., 27, pp. 631–636.
Idem, K., and Peddieson, J., 2000, “Unified Simulation of Age and Cold Forming,” SECTAM preprint XX-MF-80.
Liu,  M., Krempl,  E., and Nairn,  D., 1976, “An Experimental Stress–Strain Law for Cyclic Plasticity,” ASME J. Eng. Mater. Technol., 98, pp. 322–329.
Krempl,  E., 1972, “An Inelastic Stress–Strain Law for Elevated Temperature and Slowly Time-Varying Loads,” Int. J. Fract. Mech., 8, pp. 365–382.
Bass,  J., and Oden,  J., 1988, “Numerical Solution of the Evolution Equations of Damage and Rate-Dependent Plasticity,” Int. J. Eng. Sci., 26, pp. 713–740.
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Nadai, A., 1963, Theory of Flow and Fracture of Solids, Vol. 2, McGraw-Hill, New York.
Zhu,  A. W., Chen,  J., and Starke,  E. A., 2000, “Precipitation Strengthening of Stress-Aged Al-X Cu Alloys,” Acta Mater., 48, pp. 2239–2246.
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Figures

Grahic Jump Location
Bar specimen and forming tool geometry
Grahic Jump Location
Relaxed stress parameter versus applied stress parameter (Eq. (11), Q=0.0025,r0=0.5)
Grahic Jump Location
Relaxation factor versus applied stress parameter (Eq. (12), Q=0.0025,r0=0.5)
Grahic Jump Location
Relaxed stress parameter versus applied stress parameter (Eq. (11), Q=0.0025,r0=1)
Grahic Jump Location
Relaxation factor versus applied stress parameter (Eq. (12), Q=0.0025,r0=1)
Grahic Jump Location
Relaxed stress parameter versus applied stress parameter (Eq. (29), Q=0.0025)
Grahic Jump Location
Relaxation factor versus applied stress parameter (Eq. (30), Q=0.0025)
Grahic Jump Location
Schematic for beam bending

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