The role of atomistic simulations in probing hydrogen effects on plasticity and embrittlement in metals

A Tehranchi, WA Curtin - Engineering Fracture Mechanics, 2019 - Elsevier
Atomistic simulations are a powerful complement to experimental probes for understanding
the nanoscale processes associated with the effects of hydrogen (H) on plasticity and …

Mechanisms of hydrogen-enhanced localized plasticity: an atomistic study using α-Fe as a model system

J Song, WA Curtin - Acta Materialia, 2014 - Elsevier
Atomistic simulations of the effects of H on edge dislocation mobility and pile-ups are
performed to investigate possible nanoscale mechanisms for hydrogen-enhanced localized …

The influence of L12 ordered precipitates on hydrogen embrittlement behavior in CoCrNi-based medium entropy alloys

H Cheng, X Lu, J Zhou, T Lu, B Sun, XC Zhang, ST Tu - Acta Materialia, 2023 - Elsevier
The recently emerged multicomponent (or medium/high entropy) alloys have generated
considerable excitement globally in the last 10 years because of their excellent mechanical …

Role of slip in hydrogen-assisted crack initiation in Ni-based alloy 725

M Liu, L Jiang, MJ Demkowicz - Science Advances, 2024 - science.org
We conduct in situ tensile straining experiments to investigate the role of hydrogen and slip
in crack initiation in nickel-based alloy 725. Our experiments reveal no tendency for …

The role of density functional theory in decoding the complexities of hydrogen embrittlement in steels

AAS Devi, V Javaheri, S Pallaspuro… - Physical Chemistry …, 2024 - pubs.rsc.org
Hydrogen (H) is considered as the key element in aiding the initiated green energy
transition. To facilitate this, efficient and durable technologies need to be developed for the …

Effect of hydrogen charging time on hydrogen embrittlement of CoCrFeMnNi high-entropy alloy

X Li, Z Feng, X Song, Y Wang, Y Zhang - Corrosion Science, 2022 - Elsevier
The effect of hydrogen on mechanical properties and failure mechanism of a CoCrFeMnNi
high-entropy alloy was evaluated by in/ex-situ tensile tests and electron backscatter …

Effect of test temperature on the hydrogen embrittlement susceptibility of a duplex stainless steel

W Wu, S Liu, X Zhang, W Li, J Li - International Journal of Hydrogen Energy, 2023 - Elsevier
This study investigates the ductility loss of a hydrogen-charged 2205 duplex stainless steel
at various test temperatures. The initiation and propagation of hydrogen-induced …

Hydrogen effects on the deformation and slip localization in a single crystal austenitic stainless steel

FD León-Cázares, X Zhou, B Kagay, JD Sugar… - International Journal of …, 2024 - Elsevier
Hydrogen is known to embrittle austenitic stainless steels, which are widely used in high-
pressure hydrogen storage and delivery systems, but the mechanisms that lead to such …

Temperature change induce crack mode transition of 316L stainless steel in H2S environment revealed by dislocation configurations

C Liu, J Liu, C Chen, H Yu - Corrosion Science, 2021 - Elsevier
The crack propagation mechanism of 316L austenitic stainless steel in the H 2 S
environment is revealed by dislocation configurations. Slow strain rate tensile test results …

Hydrogen-related with the change in mechanical properties and deformation behavior of 316 L austenite stainless steel

J Park, TT Nguyen, HM Heo, UB Baek - Materials Characterization, 2023 - Elsevier
The effect of internal hydrogen on the mechanical properties and deformation behavior of
316 L austenitic stainless steel at temperatures ranging from 123 to 298 K was investigated …