Hydrogen Embrittlement as a Conspicuous Material Challenge─ Comprehensive Review and Future Directions

H Yu, A Díaz, X Lu, B Sun, Y Ding, M Koyama… - Chemical …, 2024 - ACS Publications
Hydrogen is considered a clean and efficient energy carrier crucial for shaping the net-zero
future. Large-scale production, transportation, storage, and use of green hydrogen are …

Coupled diffusion-mechanics framework for simulating hydrogen assisted deformation and failure behavior of metals

V Singh, R Kumar, Y Charles, DK Mahajan - International Journal of …, 2022 - Elsevier
Understanding of years-old multifaceted hydrogen-assisted damage evolution necessitates
efforts to model the coupled diffusion-mechanics response in metallic materials. Informed by …

The influence of hydrogen on plasticity in pure iron—theory and experiment

P Gong, IH Katzarov, J Nutter, AT Paxton… - Scientific Reports, 2020 - nature.com
Tensile stress relaxation is combined with transmission electron microscopy to reveal
dramatic changes in dislocation structure and sub structure in pure α-Fe as a result of the …

Hydrogen effect on the mobility of edge dislocation in α-iron: a long-timescale molecular dynamics simulation

R Matsumoto, ST Oyinbo, M Vijendran… - ISIJ International, 2022 - jstage.jst.go.jp
Explaining the hydrogen effect on dislocation mobility is crucial to revealing the mechanisms
of hydrogen-related fracture phenomena. According to the general perspective, reducing the …

Atomistic investigation of deformation behavior of lamellar pearlite with inclined orientation

M Yu, F Duan - International Journal of Plasticity, 2024 - Elsevier
In this work, a novel model of pearlite colony with inclined orientation is proposed for
understanding the deformation behavior of heterogeneous lamellar structures. The …

A rationale for modelling hydrogen-induced softening in fcc single crystals

RK Yarda, A Lahiri - Acta Materialia, 2024 - Elsevier
Several atomistic-scale mechanisms have been proposed to explain the phenomenon of
hydrogen-enhanced localized plasticity (HELP). However, the relative contributions of each …

Effect of hydrogen on dislocation nucleation and motion: nanoindentation experiment and discrete dislocation dynamics simulation

J Wang, L Zhao, M Huang, Y Zhu, Z Li - Acta Mechanica Solida Sinica, 2022 - Springer
The hydrogen effect on the nucleation and motion of dislocations in single-crystal bcc Fe
with (110) surface was investigated by both nanoindentation experiments and discrete …

Modulating dislocation reactions through preferential hydrogen segregation in bcc metals

J Hou, D Peng, XS Kong, H Deng, W Hu… - arXiv preprint arXiv …, 2024 - arxiv.org
The interaction between dislocations is fundamental to plastic deformation, work hardening,
and defect accumulation. While extensive research has focused on the impact of solutes on …

Molecular Dynamics Simulation of the Effect of Hydrogen on the Interaction Between Dislocations in Alpha-Iron

ST Oyinbo, TC Jen - … Engineering Congress and …, 2022 - asmedigitalcollection.asme.org
In this study, we use extensive molecular dynamics (MD) calculations based on a highly-
accurate interatomic potential to examine how hydrogen atoms impact the mechanisms …

Anisotropy in the Mechanical Properties Of Pearlitic Steel: An Atomistic Investigation

M Yu, F Duan - Available at SSRN 4400787 - papers.ssrn.com
In this work, the mechanical response and deformation behavior for lamellar pearlite with
inclined orientation under uniaxial tension are investigated using molecular dynamics …