Modeling of positive, negative and zero rate sensitivity by using the viscoplasticity theory based on overstress (VBO)

Mechanics Time-Dependent Materials

Volumn 4, Issue 1, 2000, Pages 21-42

  Ho, Kwangsoo ^a   Krempl, Erhard ^a  

^a RENSSELAER POLYTECHNIC INSTITUTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AGING OF MATERIALS; DUCTILITY; MATHEMATICAL MODELS; SENSITIVITY ANALYSIS; STRAIN; STRESS ANALYSIS;

CONSTITUTIVE EQUATIONS; NEGATIVE RATE SENSITIVITY;

VISCOPLASTICITY;

EID: 0033681691     PISSN: 13852000     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1009850608336     Document Type: Article

References (20)

1. Bodner, S.R., Partom, L. and Partom, Y., 'Uniaxial cyclic loading of elastic-viscoplastic materials', Journal of Applied Mechanics 46, 1979, 805-810.
2. Cheng, S. and Krempl, E., 'Experimental determination of strain-induced anisotropy during nonproportional straining of an Al/Mg alloy at room temperature', International Journal of Plasticity 7, 1991, 805-810.
3. Henshall, G.A., Helling, D.E. and Miller, A.K., 'Improvements in the MATMOD equations for modeling solute effects and yield-surface distortion', in Unified Constitutive Laws of Plastic Deformation, A.S. Krausz and K. Krausz (eds.), Academic Press, San Diego, CA, 1996, 153-227.
4. Ho, K. (1998). 'Application of the viscoplasticity theory based on overstress to the modeling of dynamic strain aging of metals and to solid polymers, specifically Nylon 66', Ph.D. Thesis, Mechanical Engineering, Aeronautical Engineering & Mechanics, Rensselaer Polytechnic Institute, Troy, New York, 1998.
5. Irizarry-Quiñones, H., 'Rate-dependent properties of Al-Mn and Al-Mg alloys during dynamic strain aging, and of OFHC-Copper and 304 Stainless Steel', Ph.D. Thesis, Mechanical Engineering Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, New York, 1999, 377.
6. Kishore, R., Singh, R.N., Sinha, T.K. and Kashyap, B.P., 'Effect of dynamic strain aging on the tensile properties of a modified 9Cr-1Mo steel', Journal of Materials Science 32, 1997, 437-442.
7. Krausz, A. and Krausz, K. (eds.), Unified Constitutive Laws of Plastic Deformation, Academic Press, San Diego, CA, 1996.
8. Krempl, E., 'A small strain viscoplasticity theory based on overstress', in Unified Constitutive Laws of Plastic Deformation, A. Krausz and K. Krausz (eds.), Academic Press, San Diego, CA, 1996, 281-318.
9. Krempl, E. and Nakamura, T., 'The influence of the equilibrium growth law formulation on the modeling of recently observed relaxation behaviors', JSME International Journal, Series A 41, 1998, 103-111.
10. Lee, K.D. and Krempl, E., 'An orthotropic theory of viscoplasticity based on overstress for thermomechanical deformations', International Journal of Solids and Structures 27, 1991a, 1445-1459.
11. Lee, K.D. and Krempl, E., 'Uniaxial thermomechanical loading. Numerical experiments using the thermal viscoplasticity theory based on overstress', European Journal of Mechanics, A/Solids 10, 1991b, 173-192.
12. Lubahn, J.D. and Felgar, R.P., Plasticity and Creep of Metals, John Wiley and Sons, New York, 1961.
13. Miller, A.K. and Sherby, O.D., 'A simplified phenomenological model for non-elastic deformation: Predictions of pure Aluminum behavior and incorporation of solute strengthening effects', Acta Metallurgica 26, 1978, 289-304.
14. Mulford, R.A. and Kocks, U.F., 'New observations on the mechanisms of dynamic strain aging and of jerky flow', Acta Metallurgica 27, 1979, 1125-1134.
15. Nortmann, A. and Schwink, C., 'Characteristics of dynamic strain aging in binary f.c.c. copper alloys - I. Results on solid solution sof CuAl', Acta Materialia 45, 1997a, 2043-2050.
16. Nortmann, A. and Schwink, C., 'Characteristics of dynamic strain aging in binary f.c.c. copper alloys - II. Comparison and analyses of experiments on CuAl and CuMn', Acta Materialia 45, 1997b, 2051-2058.
17. Stouffer, D.S. and Dame, L.T., Inelastic Deformation of Metals, John Wiley and Sons, New York, 1996.
18. Tachibana, Y and Krempl, E., 'Modeling of high homologous temperature deformation behavior using the viscoplasticity theory based on overstress (VBO): Part III - A simplified model', Journal of Engineering Materials and Technology 120, 1998, 193-196.
19. Yaguchi, M. and Takahashi, Y., 'Inelastic behavior of modified 9Cr-1Mo steel and its description by constitutive model considering dynamic strain aging', in 14th International Conference on Structural Mechanics in Reactor Technology, Lyon, France, SMiRT 14, 1997, 57-1-57-8.
20. Yaguchi, M. and Takahashi, Y., 'Unified inelastic constitutive model for modified 9Cr-1Mo steel incorporating dynamic strain aging effect', JSME International Journal, Series A: Solid Mechanics and Materials Engineering 42, 1999, 1-10.