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

The paper presents first of its kind study on the creep-fatigue interaction (CFI) behavior of
simulated coarse grain (CG), fine grain (FG) and inter-critical (IC) heat-affected zones …

This paper focuses on with the cyclic plasticity modelling of welded, ex-service P91 material.
A multi-material model is developed for high temperature cyclic plasticity, including the …

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 …

The strain-controlled low-cycle fatigue behavior of P91 steel is investigated under various
strain amplitudes ranging from 0.20% to 1.0% at 25, 538, and 566° C. The fatigue life …

By using a non-contact digital image correlation (DIC) technology, the ratchetting of
SUS301L stainless steel butt weld joint is investigated under an asymmetric uniaxial stress …

The cyclic plasticity and the low cycle fatigue failure behavior of the weld metal (WM) and
base metal (BM) of the CrNiMoV steel welded joint under the strain and stress-control …

Low cycle fatigue tests were conducted on the weld metal, coarse grain heat-affected zone
(CGHAZ), fine grain heat-affected zone (FGHAZ), inter-critical heat-affected zone (ICHAZ) …

Temperature variation plays a crucial role in the safe operation of welded structures during
long-term high-temperature service. The present work aimed to explore the relationship …

In this study, the microstructures of the three principal heat-affected zones (HAZs) of the P91
steel weld joint were simulated using appropriate heat treatments at different soaking …