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Microstructural details of hydrogen diffusion and storage in Ti–V–Cr alloys activated through surface and bulk severe plastic deformation

Autor: Marc Novelli, Kaveh Edalati, Hai Wen Li, Zenji Horita, Shota Itano, Etsuo Akiba, Thierry Grosdidier

Publikováno v: International Journal of Hydrogen Energy
International Journal of Hydrogen Energy, Elsevier, 2020, 45 (8), pp.5326-5336. ⟨10.1016/j.ijhydene.2019.07.058⟩

International audience; Structural observations were carried out on particles obtained after hydrogenation cycling of the Ti25V50Cr25 and Ti10V75Cr15 alloys processed by surface or bulk severe plastic deformation using the surface mechanical attritio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f4eadac710b21fc69d3aa1cdc6ba5b4
https://hal.archives-ouvertes.fr/hal-03011546

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Impact of severe plastic deformation on microstructure and hydrogen storage of titanium-iron-manganese intermetallics

Autor: Etsuo Akiba, Zenji Horita, Shota Itano, David J. Smith, Motoaki Matsuo, Hoda Emami, Shin Ichi Orimo, Ali Alhamidi, Kaveh Edalati, Aleksandar Staykov

Publikováno v: Scripta Materialia. 124:108-111

TiFe 1-x Mn x intermetallics (x = 0, 0.15 and 0.3) were severely deformed by high-pressure torsion (HPT) to enhance their activation and air resistivity for hydrogenation. While the as-cast ingots hardly absorbed hydrogen (TiFe 0.7 Mn 0.3 exhibited s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c26343584b3cda8269ba40e916eb995
https://doi.org/10.1016/j.scriptamat.2016.07.007

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Effect of gradient-structure versus uniform nanostructure on hydrogen storage of Ti-V-Cr alloys: Investigation using ultrasonic SMAT and HPT processes

Autor: Kaveh Edalati, Etsuo Akiba, Hai Wen Li, Thierry Grosdidier, Zenji Horita, Marc Novelli, Shota Itano

Publikováno v: Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2018, 737, pp.337-346. ⟨10.1016/j.jallcom.2017.12.053⟩

Lattice defects can have contradicting effects on the hydrogen storage behavior of titanium-vanadium-chromium alloys: they may facilitate the surface activation, or they may deteriorate the hydriding/dehydriding reversibility. In this study, two type

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b621ca624987e7a58b774097702a75c
https://hal.archives-ouvertes.fr/hal-03011534

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