A phase field formulation for hydrogen assisted cracking

E Martínez-Pañeda, A Golahmar… - Computer Methods in …, 2018 - Elsevier
We present a phase field modeling framework for hydrogen assisted cracking. The model
builds upon a coupled mechanical and hydrogen diffusion response, driven by chemical …

Review on sulfide stress cracking in sour service for OCTG and recent advances in modeling of hydrogen-assisted fracture

M Elkhodbia, A Negi, G Mubarak, I Barsoum… - Geoenergy Science and …, 2023 - Elsevier
Sulfide stress cracking (SSC) presents a complex hydrogen-assisted cracking problem in oil
and gas (O&G) production, primarily due to the presence of a wet hydrogen sulfide (H 2 S) …

A phase field model for elastic-gradient-plastic solids undergoing hydrogen embrittlement

PK Kristensen, CF Niordson… - Journal of the Mechanics …, 2020 - Elsevier
We present a gradient-based theoretical framework for predicting hydrogen assisted fracture
in elastic-plastic solids. The novelty of the model lies in the combination of:(i) stress-assisted …

[HTML][HTML] Coupled analysis of hydrogen diffusion, deformation, and fracture: a review

A Negi, M Elkhodbia, I Barsoum, A AlFantazi - International Journal of …, 2024 - Elsevier
Hydrogen (H), emerging as a sustainable and promising clean energy source, holds
significant potential for transitioning towards a H-based economy, offering a cleaner …

[HTML][HTML] A phase field-based framework for electro-chemo-mechanical fracture: Crack-contained electrolytes, chemical reactions and stabilisation

T Hageman, E Martínez-Pañeda - Computer Methods in Applied Mechanics …, 2023 - Elsevier
We present a new theoretical and computational framework for modelling electro-chemo-
mechanical fracture. The model combines a phase field description of fracture with a fully …

A hydrogen diffusion model considering grain boundary characters based on crystal plasticity framework

K Li, B Tang, M Zhang, L Zhao, X Liu, J Fan… - International Journal of …, 2023 - Elsevier
The influence of grain boundaries (GBs) on hydrogen transportation is a crucial factor in
understanding the mechanisms of hydrogen embrittlement (HE) in polycrystalline alloys …

A phase field model for hydrogen-assisted fatigue

A Golahmar, PK Kristensen, CF Niordson… - International Journal of …, 2022 - Elsevier
We present a new theoretical and numerical phase field-based formulation for predicting
hydrogen-assisted fatigue. The coupled deformation-diffusion-damage model presented …

Analysis of the influence of microstructural traps on hydrogen assisted fatigue

R Fernández-Sousa, C Betegón, E Martínez-Pañeda - Acta Materialia, 2020 - Elsevier
We investigate the influence of microstructural traps on hydrogen diffusion and
embrittlement in the presence of cyclic loads. A mechanistic, multi-trap model for hydrogen …

A phase-field regularized cohesive zone model for hydrogen assisted cracking

JY Wu, TK Mandal, VP Nguyen - Computer Methods in Applied Mechanics …, 2020 - Elsevier
Being able to seamlessly deal with complex crack patterns like branching, merging and
even fragmentation, phase-field fracture/damage models are promising in the modeling of …

A mechanism-based multi-trap phase field model for hydrogen assisted fracture

M Isfandbod, E Martínez-Pañeda - International Journal of Plasticity, 2021 - Elsevier
We present a new mechanistic, phase field-based formulation for predicting hydrogen
embrittlement. The multi-physics model developed incorporates, for the first time, a Taylor …