A generalization of Gittus' viscoplastic "mechanical equation of state" to multiaxial stress states

Mechanics of Materials

Volumn 34, Issue 12, 2002, Pages 773-777

  Järvstråt, Niklas ^a,b  

^a VOLVO AERO CORPORATION   (Sweden)

^b UNIVERSITY WEST   (Sweden)

Author keywords

Constitutive; Dislocation mobility; MEOS; Mixed kinematic isotropic hardening; Multiaxial; Orowan; Viscoplasticity

Indexed keywords

EQUATIONS OF STATE; KINEMATICS; STRAIN; STRESS ANALYSIS; TENSORS;

MULTIAXIAL STRESSES;

VISCOPLASTICITY;

EID: 0036887870     PISSN: 01676636     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0167-6636(02)00180-1     Document Type: Article

References (7)

1. Bodner S.R. Constitutive equations for dynamical material behaviour. Lindholm U.S. Mechanical Behaviour of Materials Under Dynamic Loads. 1968;176-190 Springer Verlag, New York, USA.
2. Bodner S.R. Review of Unified Elastic-Viscoplastic Theory. Miller A.K. Unified Constitutive Equations for Creep and Plasticity. 1987;273-302 Elsevier Applied Science.
3. Bamman, Krieg Summary and critique. Miller A.K. Unified Constitutive Equations for Creep and Plasticity. 1987;303-336 Elsevier Applied Science.
4. Gittus, J.H., 1972. The mechanical equation of states: roles of work-hardening and recovery in creep. Int. Symp. Defect Interact. Solids, pp. 182-188.
5. Gittus J.H. Theoretical equation for steady-state dislocation creep in a material having a threshold stress. Proc. Roy. Soc. Lond. A. 342:1975;279-287.
6. Gittus J.H. The mechanical equation of state. Miller A.K. Unified Constitutive Equations for Creep and Plasticity. 1987;221-244 Elsevier Applied Science.
7. Järvstråt, N., 1994. Calculation of thermally induced stress and distortion in extruded aluminium and short fibre composites. Linköping studies in science and technology. Dissertations No. 349, Ph.D. Thesis, Linköping University, Sweden.