This paper presents a dislocation-mechanics cyclic viscoplasticity model which incorporates
the key physical micro-mechanisms of strengthening and softening for high temperature …

A dislocation-based model for high temperature cyclic viscoplasticity in 9–12Cr steels is
presented. This model incorporates (i) cyclic softening via decrease in overall dislocation …

The finite element (FE) implementation of a hyperbolic sine unified cyclic viscoplasticity
model is presented. The hyperbolic sine flow rule facilitates the identification of strain-rate …

A methodology is presented for physically-based prediction of high temperature fatigue
crack initiation in 9Cr steels, with a focus on material inhomogeneity due to welding-induced …

Improving the understanding of the long term rate dependent behaviour of materials is of
critical importance in many engineering applications. Without this understanding, it is …

The thermo-mechanical fatigue (TMF) of power plant components is caused by the cyclic
operation of power plant due to startup and shutdown processes and due to the fluctuation …

An improved unified cyclic viscoplastic material model for high temperature fatigue of P91
steel is presented. The primary enhancement over existing models is in relation to strain-rate …

In this paper, a multi-scale crystal plasticity model is presented for cyclic plasticity and low-
cycle fatigue in a tempered martensite ferritic steel at elevated temperature. The model …

In this study, the stress–strain responses of G115 martensitic steel, Inconel alloy 750H, and
316H austenitic steel were thoroughly investigated at elevated temperatures via low cycle …

An experimental programme of cyclic thermo-mechanical testing for a P91 power plant steel,
under isothermal, and in-phase and out-of-phase thermo-mechanical, temperature-strain …