A General Time Dependent Constitutive Model: Part II— Application to a Titanium Alloy1

Author:

Arnold S. M.1,Saleeb A. F.2,Castelli M. G.3

Affiliation:

1. National Aeronautics and Space Administration, Lewis Research Center, Cleveland, OH 44135

2. Department Civil Engineering, University of Akron, Akron, OH 44325

3. NYMA Inc., Engineering Services Division, Brook Park, OH 44142

Abstract

Given the mathematical framework and specific viscoelastic model in Part I our primary goal in this second part is focused on model characterization and assessment for the specific titanium alloy, TIMETAL 21S. The model is motivated by experimental evidence suggesting the presence of significant rate/time effects in the so-called quasilinear, reversible, material response range. An explanation of the various experiments performed and their corresponding results are also included. Finally, model correlations and predictions are presented for a wide temperature range.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference8 articles.

1. Saleeb, A. F., and Arnold, S. M., 2001, “A General Time Dependent Constitutive Model: Part I—Theoretical Developments,” ASME J. Eng. Mater. Technol., 123, pp. 51–64.

2. Arnold, S. M., and Saleeb, A. F., 1991, “On the Thermodynamic Framework of Generalized Coupled Thermoelastic Viscoplastic—Damage Modeling,” Int. J. Plast., 10, No. 3, 1994, pp. 263–278, or NASA TM-105349.

3. Arnold, S. M., Saleeb, A. F., and Castelli, M. G., 1994, “A Fully Associative, Nonlinear Kinematic, Unified Viscoplastic Model for Titanium Based Matrices,” Life Prediction Methodology for Titanium Matrix Composites, ASTM STP 1253, Johnson, W. S. Larsen, J. M., and Cox, B. N., eds., 1996, or NASA TM-106609.

4. Arnold, S. M., Saleeb, A. F., and Castelli, M. G., 1994, “A Fully Associative, Nonisothermal, Nonlinear Kinematic, Unified Viscoplastic Model for Titanium Based Matrices,” Thermomechanical Fatigue Behavior of Materials: Second Volume, ASTM STP 1263, M. J. Verrilli and M. G. Castelli, Philadelphia, 1995, or NASA TM-106926.

5. Castelli, M. G., Arnold, S. M., and Saleeb, A. F., 1995, “Specialized Deformation Tests for the Characterization of a Viscoplastic Model: Application to a Titanium Alloy,” NASA TM-106268.

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