A METHODIC OF STRESS-STRAIN STATE SIMULATION OF STEEL DETAILS AS PART OF ASSEMBLY UNITS WITH TAKING INTO ACCOUNT THE IR PROVISIONAL HARDENING
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Abstract
The article describes the characteristics of residual stresses in induction hardening, set their causes. A mathematical model describing the I residual stresses of the first kind in the steel parts. The resulting mathematical description allows modeling process based on thermal and due to the difference in specific volume phase deformations and phase transformations induced plasticity. The model is adapted for integration with thermal calculations and calculations of phase transformations and includes the ability to direct account dependence of the mechanical properties of the material on the temperature. An algorithm for the computer implementation of the model and the finite element formulation for the case of axial symmetry and overall three-dimensional geometry. The methodic of integrated stress-strained state modeling of details as part of assembly units, taking into account the residual stresses encountered during their hardening. The simulation results are introduced.
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