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Cyclic thermo-mechanical material modelling and testing of 316 stainless steel

Leen, Sean B.
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http://hdl.handle.net/10379/5404
 https://doi.org/10.13025/19136
Publication Date
2010-04-20
Keywords
Thermo-mechanical fatigue, Creep, Plasticity, Chaboche unified viscoplasticity model, 316 Stainless steel, Unified constitutive equations, Nickel-based superalloy, Viscoplasticity, Plasticity, Creep
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Citation
Hyde, CJ,Sun, W,Leen, SB (2010) 'Cyclic thermo-mechanical material modelling and testing of 316 stainless steel'. International Journal Of Pressure Vessels And Piping, 87 :365-372.
Abstract
A programme of cyclic mechanical testing of a 316 stainless steel, at temperatures of up to 600 C under isothermal conditions, for the identification of material constitutive constants, has been carried out using a thermo-mechanical fatigue test machine (with induction coil heating). The constitutive model adopted is a modified Chaboche unified viscoplasticity model, which can deal with both cyclic effects, such as combined isotropic and kinematic hardening, and rate-dependent effects, associated with viscoplasticity. The characterisation of 316 stainless steel is presented and compared with results from tests consisting of cyclic isothermal, as well as in-phase and out-of-phase thermo-mechanical fatigue conditions, using interpolation between the isothermal material constants to predict the material behaviour under anisothermal conditions. (C) 2010 Elsevier Ltd. All rights reserved.
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Elsevier ScienceDirect
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Attribution-NonCommercial-NoDerivs 3.0 Ireland
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Mechanical Engineering (Scholarly Articles)