Record Details
Real-time observation of hydrogen absorption by LaNi₅ with quasi-dynamic neutron tomography
ScholarsArchive at Oregon State University
| Field | Value |
|---|---|
| Title | Real-time observation of hydrogen absorption by LaNi₅ with quasi-dynamic neutron tomography |
| Names |
Wood, Bradley M.
(creator) Ham, Kyungmin (creator) Hussey, Daniel S. (creator) Jacobson, David L. (creator) Faridani, Adel (creator) Kaestner, Anders (creator) Vajo, John J. (creator) Liu, Ping (creator) Dobbins, Tabbetha A. (creator) Butler, Leslie G. (creator) |
| Date Issued | 2014-04-01 (iso8601) |
| Note | To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The published article is copyrighted by Elsevier and can be found at: http://www.journals.elsevier.com/nuclear-instruments-and-methods-in-physics-research-section-b-beam-interactions-with-materials-and-atoms/. |
| Abstract | The uptake of hydrogen by lanthanum pentanickel (LaNi₅) to form lanthanum nickel hydride (LaNi₅H₆) is followed with three-dimensional imaging by neutron tomography. The hydrogen absorption process is slower than the time needed for acquiring a single radiograph, about 10 s, but fast relative to the time to acquire a fully-sampled tomographic data set, about 6000 s. A novel data acquisition scheme is used with angles based upon the Greek Golden ratio, a scheme which allows considerable flexibility in post-acquisition tomography reconstruction. Even with tomographic undersampling, the granular structure for the conversion of LaNi₅ particles to LaNi₅H₆ particles is observed and visually tracked in 3D. Over the course of five sequential hydrogen uptake runs with various initial hydrogen pressures, some grains are repeatedly observed. |
| Genre | Article |
| Topic | Neutron tomography |
| Identifier | Wood, B. M., Ham, K., Hussey, D. S., Jacobson, D. L., Faridani, A., Kaestner, A., ... & Butler, L. G. (2014). Real-time observation of hydrogen absorption by LaNi₅ with quasi-dynamic neutron tomography. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 324, 95-101. doi:10.1016/j.nimb.2013.10.052 |
