Hydrogen embrittlement mechanisms in advanced high strength steel

P Gong, A Turk, J Nutter, F Yu, B Wynne… - Acta Materialia, 2022 - Elsevier
Hydrogen embrittlement is increasingly important in advanced high strength steels (AHHS)
as strength levels increase well above 1000 MPa. This work developed a detailed …

[HTML][HTML] Grain boundary segregation in Ni-base alloys: A combined atom probe tomography and first principles study

AS Ebner, S Jakob, H Clemens, R Pippan… - Acta materialia, 2021 - Elsevier
Grain boundary engineering (GBE) plays an important role in the design of new
polycrystalline materials with enhanced mechanical properties. This approach has been …

[HTML][HTML] Critical verification of the Kissinger theory to evaluate thermal desorption spectra

A Drexler, L Vandewalle, T Depover… - international journal of …, 2021 - Elsevier
Multiple types of hydrogen trapping sites in advanced high-strength steels (AHSS) are often
experimentally characterized by means of thermal desorption spectroscopy (TDS). The …

The influence of alloying on Zn liquid metal embrittlement in steels

D Scheiber, K Prabitz, L Romaner, W Ecker - Acta Materialia, 2020 - Elsevier
In this study we investigate Zn liquid metal embrittlement at Fe grain boundaries (GBs) by
employing ab initio density functional theory (DFT) simulations. We consider three different …

[HTML][HTML] Mitigating hydrogen embrittlement via film-like retained austenite in 2 GPa direct-quenched and partitioned martensitic steels

S Pallaspuro, E Fangnon, SA Aravindh, L Claeys… - Materials Science and …, 2024 - Elsevier
Advanced (ultra) high-strength steels that utilise bcc-fcc microstructures are appealing
solutions for producing a combination of high strength and deformability. However, they are …

Bond strength between TiN coating and microstructural constituents of a high speed steel determined by first principle calculations

M Gsellmann, D Scheiber, T Klünsner, J Zálešák… - Acta materialia, 2022 - Elsevier
The adhesion of protective hard coatings to the substrate is one of the most important
parameters that influence the performance of metal cutting tools. By a combination of high …

Effects of lattice strain on hydrogen diffusion, trapping and escape in bcc iron from ab-initio calculations

F Luo, Q Liu, J Huang, H Xiao, Z Gao, W Ge… - International Journal of …, 2023 - Elsevier
Lattice strain potentially alters hydrogen (H) behaviors in structural materials and thus H-
induced damages. Herein, we computationally investigate effects of lattice strain on H …

The role of hydrogen diffusion, trapping and desorption in dual phase steels

A Drexler, B Helic, Z Silvayeh, K Mraczek… - Journal of Materials …, 2022 - Springer
Hydrogen embrittlement (HE) of advanced high-strength steels is a crucial problem in the
automotive industry, which may cause time-delayed failure of car body components …

[HTML][HTML] Enhanced gaseous hydrogen solubility in ferritic and martensitic steels at low temperatures

A Drexler, F Konert, O Sobol, M Rhode… - International Journal of …, 2022 - Elsevier
Metals that are exposed to high pressure hydrogen gas may undergo detrimental failure by
embrittlement. Understanding the mechanisms and driving forces of hydrogen absorption on …

Surface-to-bulk hydrogen transport in BCC iron: a computational review of adsorption and diffusion mechanisms

L Meier, AI Bhatti, S Cottenier - Critical Reviews in Solid State and …, 2024 - Taylor & Francis
Hydrogen embrittlement poses a significant challenge in various engineering applications.
In this context, the iron/hydrogen system serves as a crucial prototype for examining the …