Application of atomic simulation for studying hydrogen embrittlement phenomena and mechanism in iron-based alloys

L Dong, S Wang, G Wu, J Gao, X Zhou, HH Wu… - International Journal of …, 2022 - Elsevier
High-strength iron-based alloys serving in hydrogen-containing environments often faces a
critical problem of hydrogen embrittlement, which involves intricate mechanisms across …

[HTML][HTML] Hydrogen trap** and embrittlement in metals–A review

YS Chen, C Huang, PY Liu, HW Yen, R Niu… - International Journal of …, 2024 - Elsevier
Hydrogen embrittlement in metals (HE) is a serious challenge for the use of high strength
materials in engineering practice and a major barrier to the use of hydrogen for global …

Atomic-scale investigation of deep hydrogen trap** in NbC/α-Fe semi-coherent interfaces

R Shi, Y Ma, Z Wang, L Gao, XS Yang, L Qiao, X Pang - Acta materialia, 2020 - Elsevier
The precipitation of niobium carbide (NbC) is a superior approach to mitigating hydrogen
embrittlement (HE). The role of the semi-coherent interface between NbC and α-Fe on …

Tailoring the hydrogenated mechanism of Pt3Al from first-principles investigation

Y Pan, X Chen, X Zhang - Vacuum, 2023 - Elsevier
Pt–Al compounds are promising high-temperature structural materials. However, the
hydrogenated behavior of Pt 3 Al is still unclear. To explore the hydrogenated mechanism …

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 …

First-principles investigation of the structural stability and mechanical properties of TM3Al2C (TM= Mo, Cr and W) carbides

Y Pan - Materials Today Communications, 2023 - Elsevier
Abstract Although Mo 3 Al 2 C MAX phase is a promising high temperature ceramics
because of the high temperature strength and excellent oxidation resistance, the structural …

Engineering metal-carbide hydrogen traps in steels

PY Liu, B Zhang, R Niu, SL Lu, C Huang… - Nature …, 2024 - nature.com
Hydrogen embrittlement reduces the durability of the structural steels required for the
hydrogen economy. Understanding how hydrogen interacts with the materials plays a …

Switching nanoprecipitates to resist hydrogen embrittlement in high-strength aluminum alloys

Y Wang, B Sharma, Y Xu, K Shimizu, H Fujihara… - Nature …, 2022 - nature.com
Hydrogen drastically embrittles high-strength aluminum alloys, which impedes efforts to
develop ultrastrong components in the aerospace and transportation industries …

The hydrogenation mechanism of PtAl and IrAl thermal barrier coatings from first-principles investigations

Y Pan, WM Guan - International Journal of Hydrogen Energy, 2020 - Elsevier
In addition to oxidation resistance, the improvement of hydrogen embrittlement is also a big
challenge for the noble metal thermal barrier coating. Unfortunately, the hydrogenation …

[HTML][HTML] Hydrogen-enhanced deformation in pearlite

R Niu, H Li, PY Liu, P Burr, Y Feng, HW Yen, C Huang… - Acta Materialia, 2024 - Elsevier
Hydrogen-induced degradation of pipeline steels is a serious safety challenge for the
transport of hydrogen. Steel pipes contain a large proportion of the pearlite phase, which …