Limitations on the computational analysis of creep failure models: A review

M Sattar, AR Othman, S Kamaruddin, M Akhtar… - Engineering Failure …, 2022 - Elsevier
Traditionally, the detection of the creep responses has been carried out using empirical
methods containing multiple adjustable parameters. This makes it very difficult to estimate …

Comparative analysis of the sin-hyperbolic and Kachanov–Rabotnov creep-damage models

MS Haque, CM Stewart - International Journal of Pressure Vessels and …, 2019 - Elsevier
In this study, the Sin-Hyperbolic (Sinh) and the classic Kachanov-Rabotnov (KR) creep-
damage models are fit to creep data for 304 stainless steel at 600 and 700° C. The ability of …

An improved nonlinear damage model of rocks considering initial damage and damage evolution

W Feng, C Qiao, S Niu, Z Yang… - International Journal of …, 2020 - journals.sagepub.com
The experimental results show that the creep properties of the rocks are affected by the
initial damage, and the damage evolution also has a significant impact on the time …

A novel damage constitutive model for creep deformation and damage evolution prediction

X Zhao, X Niu, Y Song, Z Sun - Fatigue & Fracture of …, 2023 - Wiley Online Library
In order to accurately predict creep deformation and damage evolution of nickel‐based
superalloy GH4169, a novel damage constitutive model, that is, TTC CDM‐based model …

The disparate data problem: The calibration of creep laws across test type and stress, temperature, and time scales

MS Haque, CM Stewart - Theoretical and Applied Fracture Mechanics, 2019 - Elsevier
Creep data exists in a diaspora. It is not always available in the regime (short, intermediate-,
and long-term) or form (minimum-creep-strain-rate, creep deformation, stress-rupture, etc.) of …

Finite-element analysis of waspaloy using sinh creep-damage constitutive model under triaxial stress state

MS Haque, CM Stewart - Journal of …, 2016 - asmedigitalcollection.asme.org
The creep deformation and damage evolution of nickel base superalloy (Waspaloy) at 700°
C are studied using the classic Kachanov–Rabotnov (KR) and a recently developed Sin …

An entropy-based failure prediction model for the creep process

Z Shirazi, B Mohammadi - International Journal of Damage …, 2023 - journals.sagepub.com
The creep process is a life-limiting degradation mechanism for many parts. Consequently, it
should have been considered throughout the design process. This study aimed to assess …

A hybrid constitutive model for creep, fatigue, and creep-fatigue damage

C Stewart - 2013 - stars.library.ucf.edu
In the combustion zone of industrial-and aero-gas turbines, thermomechanical fatigue (TMF)
is the dominant damage mechanism. Thermomechanical fatigue is a coupling of …

On the prediction of creep behaviour of alloy 617 using Kachanov-Rabotnov model coupled with multi-objective genetic algorithm optimisation

J Choi, LB Neto, RN Wright, JJ Kruzic… - International Journal of …, 2022 - Elsevier
The accurate prediction of elevated-temperature creep behaviour of alloys is important for
preventing catastrophic failure of systems operating under prolonged elevated temperature …

Correlation analysis of established creep failure models through computational modelling for SS-304 material

M Sattar, AR Othman, M Muzamil, S Kamaruddin… - Metals, 2023 - mdpi.com
To maintain safety and reliability in power plants, creep-life prediction models have received
much attention over the years. This article was designed to focus on the conditions when a …