[HTML][HTML] An overview on material parameter inverse and its application to miniaturized testing at elevated temperature

W Sun, Z Yue, Z Wen, M Li - Journal of Materials Research and Technology, 2023‏ - Elsevier
This paper aims to provide a comprehensive guide to the application of the inverse
technique to the miniaturized tests, on material parameter identification, without investigating …

Microstructural effects and constitutive modelling of cyclic softening behaviour in Ti–6Al–4V titanium alloys

A Ranjan, H Maharaja, S Mishra, D Sahoo… - Materials Science and …, 2024‏ - Elsevier
Abstract Cyclic softening in Ti–6Al–4V titanium alloy significantly influences the reliability
and performance of critical engineering components. This study addresses the lack of a …

Fatigue life prediction at mesoscopic scale of samples containing casting defects: A novel energy based non-local model

AKM Raghavendra, V Maurel, L Marcin… - International Journal of …, 2024‏ - Elsevier
Fatigue failure driven by stress gradients associated to casting defects was studied in two
cast nickel-based superalloys. The experimental campaign revealed complex damage …

An improved unified viscoplastic constitutive model for strain-rate sensitivity in high temperature fatigue

RA Barrett, PE O'Donoghue, SB Leen - International Journal of Fatigue, 2013‏ - Elsevier
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 …

Characterization of viscoplasticity behaviour of P91 and P92 power plant steels

AA Saad, TH Hyde, W Sun, CJ Hyde… - International Journal of …, 2013‏ - Elsevier
This paper deals with the determination of material constitutive model for P91 and P92
steels at high temperatures. An isothermal, strain-controlled test programme was conducted …

[HTML][HTML] Comparison of self-consistent and crystal plasticity FE approaches for modelling the high-temperature deformation of 316H austenitic stainless steel

MP Petkov, J Hu, E Tarleton, ACF Cocks - International Journal of Solids …, 2019‏ - Elsevier
The present article examines the predictive capabilities of a crystal plasticity model for
inelastic deformation which captures the evolution of dislocation structure, precipitates and …

Determination of material parameters for a unified viscoplasticity-damage model for a P91 power plant steel

ST Kyaw, JP Rouse, J Lu, W Sun - International Journal of Mechanical …, 2016‏ - Elsevier
Societal pressures are mounting on electricity operators to operate traditional fossil-fuel
power plants in an efficient and flexible manner in conjunction with renewable power plants …

Creep crack growth data and prediction for a P91 weld at 650 C

TH Hyde, M Saber, W Sun - International journal of pressure vessels and …, 2010‏ - Elsevier
Creep crack growth tests have been carried out on compact tension (CT) specimens
machined from a P91 weldment. Four of these specimens were cut from the parent material …

Data-Driven Accelerated Parameter Identification for Chaboche-Type Visco-Plastic Material Models to Describe the Relaxation Behavior of Copper Alloys

L Morand, E Norouzi, M Weber, A Butz, D Helm - Experimental Mechanics, 2024‏ - Springer
Background Calibrating material models to experimental measurements is crucial for
realistic computational analysis of components. For complex material models, however …

Cyclic softening behaviour of a P91 steel under low cycle fatigue at high temperature

AA Saad, W Sun, TH Hyde, DWJ Tanner - Procedia Engineering, 2011‏ - Elsevier
This paper describes a model used to represent the cyclic mechanical behaviour of P91
martensitic steel. Low cycle fatigue tests were conducted at 600° C using a thermo …