Application to Mechanical Behavior of Metals

  • Kirk C. Valanis
Part of the International Centre for Mechanical Sciences book series (CISM, volume 77)


In Part I of this work, a theory of viscoplasticity (of which the theory of plasticity was a part) was developed on the basis of the concept that the current state of stress is a functional of the entire history of deformation and temperature,

but the history was defined with respect to a time scale which is in itself a property of the material at hand.


Mechanical Behavior Bauschinger Effect Strain History Copper Crystal Tensile Response 
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  1. 1.
    Valanis, K. C., “A theory of Viscoplasticity without a yield surface, Part I-General Theory”, Mechanics Report 1. 01, University of Iowa, Dec. 1970.Google Scholar
  2. 2.
    Mair, W. M. and Pugh, H. LI. D., “Effect of Prestrain on Yield Surfaces in Copper”, J. Mech. Eng. Sc., 6, 150, (1964).CrossRefGoogle Scholar
  3. 3.
    Lubahn, J. D., “Bauschinger Effect in Creep and Tensile Tests on Copper”, J. of Metals, 205, 1031, (1955).Google Scholar
  4. 4.
    Wadsworth, N. J., “Work Hardening of Copper Crystals under Cyclic Straining”, Acta Metallurgica, 11, 663, (1963).CrossRefGoogle Scholar
  5. 5.
    Ivey, H. J. “Plastic Stress Strain Relations and Yield Surfaces for Aluminum Alloys”, J. Mech. Eng. Sc., 3, 15, (1961).CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Wien 1971

Authors and Affiliations

  • Kirk C. Valanis
    • 1
  1. 1.University of IowaUSA

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