Results 1 to 10 of about 872,882 (214)

A 3D-Printed SFE-Graded Alloy Mitigates Cryogenic Discontinuous Plastic Flow and Hydrogen Embrittlement. [PDF]

open access: yesAdv Sci (Weinh)
A novel strategy features gradient composition and stacking fault energy‐tuned (CoCrMn)100‐2xFexNix fabricated via in situ alloying additive manufacturing. This design circumvents cryogenic discontinuous plastic flow and hydrogen embrittlement of metallic materials under quasi‐static loading and hydrogen‐rich environment relevant to lunar polar ...
Wu R   +11 more
europepmc   +2 more sources

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

open access: yesNature Communications, 2022
Hydrogen embrittlement limits the strengthening of aluminum alloys. Here, the authors propose the precipitate switching strategy to effectively control hydrogen embrittlement of high-strength aluminum alloys by utilizing the hydrogen trapping effect at T
Yafei Wang   +9 more
doaj   +2 more sources

Investigation of the impact of grain boundary hydrogen concentration on hydrogen embrittlement sensitivity of polycrystalline Fe: Molecular dynamics insights [PDF]

open access: yesSmart Molecules
This study investigates the influence of hydrogen concentration at grain boundaries on the sensitivity of polycrystalline iron to hydrogen embrittlement using molecular dynamics simulations.
Qiaoyun Tang, Wei Gao
doaj   +2 more sources

Hydrogen embrittlement and strain rate sensitivity of electrodeposited copper: part II – hydrogen dynamics [PDF]

open access: yesnpj Materials Degradation
In part I of this study, a previously unexplained form of hydrogen embrittlement and strain rate sensitivity was observed in electrodeposited copper. Here, the authors explored the dynamics of retained hydrogen in electrodeposited copper.
Desmond D. C. Williams   +9 more
doaj   +2 more sources

Current challenges in the utilization of hydrogen energy-a focused review on the issue of hydrogen-induced damage and embrittlement

open access: yesAdvances in Applied Energy
The development of reliable and longevous infrastructures and structural components is the key for the implementation of a hydrogen economy that is currently enjoying unprecedented political and research momentum due to the globally strong demand for ...
Binhan Sun   +8 more
doaj   +3 more sources

Research status and progress of hydrogen embrittlement of hydrogen pipelines

open access: yesYou-qi chuyun, 2023
Hydrogen transportation through pipelines has extremely high economic value in realizing the development of the hydrogen energy industry and promoting efficient energy utilization.
Jianwei DU, Hongliang MING, Jianqiu WANG
doaj   +1 more source

The Phenomenon of Hydrogen Embrittlement in High-Strength Bolts [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
The hydrogen embrittlement of metals is caused by the penetration and accumulation of hydrogen atoms inside the metal. The failure of the product due to hydrogen embrittlement is delayed in time and does not occur immediately after its manufacture, but ...
T. Dubiel, T. Balawender, M. Osetek
doaj   +1 more source

Study on the Effect of Microstructure Gradients Caused by Heat Gradients on Hydrogen Embrittlement Sensitivity in Heavy Forgings

open access: yesMetals, 2022
The hydrogen embrittlement problem of alloy steel heavy forgings not only has the common properties of general hydrogen embrittlement, but also has the characteristics brought by its scale characteristics. The research of hydrogen embrittlement, combined
Lingxiao Li   +4 more
doaj   +1 more source

Hydrogen embrittlement prompt fracture in Ni-based single crystal superalloy

open access: yesJournal of Materials Research and Technology, 2023
Hydrogen-fueled and hydrogen-hybridized aircraft engines are a new trend in the aviation industry for environmental reasons. Single crystalline Ni-based superalloys are the most commonly used engine materials and their hydrogen embrittlement properties ...
Guangxian Lu   +8 more
doaj   +1 more source

Tailoring hydrogen embrittlement resistance of pure Ni by grain boundary engineering

open access: yesCorrosion Communications, 2022
By using thermo-mechanical processing, 99.996 wt.% pure Ni with different grain boundary characteristics were fabricated (Sample #1, 700 ℃ × 10 h + cold rolling reduction 50%+ 650 ℃ × 2 h; Sample #2, 700 ℃ × 10 h + cold rolling reduction 50%+ 900 ℃ × 5 ...
Qingqing Sun   +4 more
doaj   +1 more source

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