Abstract
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A multi-axial, unified sinh
viscoplastic material model has been developed to model the behaviour of
advanced materials subjected to high temperature cyclic loading. The material
model accounts for rate-dependent effects related to high temperature creep and
cyclic plasticity effects such as isotropic and kinematic hardening. The
material model, which is capable of simulating both isothermal and anisothermal
loading conditions, is implemented in a material user subroutine and validated
against uniaxial test data. The results indicate that the multi-axial implementation
performs well for both isothermal and anisothermal uniaxial loading conditions for
as-new P91 steel.
| Original language | English (Ireland) |
|---|---|
| Title of host publication | IUTAM Symposium Advanced Materials Modelling for Structures |
| Publication status | Published - 1 Apr 2012 |
Authors (Note for portal: view the doc link for the full list of authors)
- Authors
- Barrett, RA, ODonoghue, PE, Leen, SB