The elevated temperature, uniaxial inelastic deformation behavior of a Ni-base alloy, B1900 + Hf, has been investigated by performing isothermal tensile, creep, cyclic, stress relaxation, and thermomechanical fatigue tests. The range of strain rates examined are 10−7 to 10−2 s−1, while the test temperatures range from 25°C to 1093°C. This extensive constitutive data base has been used for evaluating the unified constitutive models of Bodner-Partom and of Walker which apply for the small strain regime. Comparison of test results with independent model predictions indicates good agreement over a broad range of loading conditions demonstrating the applicability of the unified constitutive equation approach for describing the strongly nonlinear, time, and temperature-dependent response of metals under a wide range of deformation and thermal histories. Thus, the results give confidence that the unified approach is an effective and efficient approach in which complex, history-dependent, thermo-viscoplastic flow can be represented within a single inelastic strain-rate term.
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October 1989
Research Papers
High Temperature Inelastic Deformation Under Uniaxial Loading: Theory and Experiment
K. S. Chan,
K. S. Chan
Southwest Research Institute, San Antonio, TX 78284
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U. S. Lindholm,
U. S. Lindholm
Southwest Research Institute, San Antonio, TX 78284
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S. R. Bodner,
S. R. Bodner
Technion, Haifa 3200, Haifa, Israel
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K. P. Walker
K. P. Walker
Engineering Science Software, Inc., Smithfield, RI 02917
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K. S. Chan
Southwest Research Institute, San Antonio, TX 78284
U. S. Lindholm
Southwest Research Institute, San Antonio, TX 78284
S. R. Bodner
Technion, Haifa 3200, Haifa, Israel
K. P. Walker
Engineering Science Software, Inc., Smithfield, RI 02917
J. Eng. Mater. Technol. Oct 1989, 111(4): 345-353 (9 pages)
Published Online: October 1, 1989
Article history
Received:
December 10, 1987
Revised:
February 6, 1989
Online:
September 15, 2009
Citation
Chan, K. S., Lindholm, U. S., Bodner, S. R., and Walker, K. P. (October 1, 1989). "High Temperature Inelastic Deformation Under Uniaxial Loading: Theory and Experiment." ASME. J. Eng. Mater. Technol. October 1989; 111(4): 345–353. https://doi.org/10.1115/1.3226478
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