Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Kyle D. Johnson"'
Autor:
Sobhan Patnaik, Yulia Mishchenko, Jennifer H. Stansby, Andrea Fazi, Vanessa K. Peterson, Daniel Jädernäs, Mattias Thuvander, Kyle D. Johnson, Edward G. Obbard, Denise A. Lopes
Publikováno v:
Nuclear Materials and Energy, Vol 35, Iss , Pp 101441- (2023)
In this study, neutron diffraction and transmission electron microscopy (TEM) have been implemented to study the crystallographic structure of the ternary phase U2CrN3 from pellet to nano scale respectively. Recently microstructural evaluation of thi
Externí odkaz:
https://doaj.org/article/c5039949cb4247508c4312d16993b9d6
Autor:
Denise Adorno Lopes, Daniel J. Gregg, Grant J. Griffiths, E.G. Obbard, Simon C. Middleburgh, N. Scales, Kyle D. Johnson, Patrick A. Burr, Klaus-Dieter Liss
Publikováno v:
Journal of Nuclear Materials. 508:516-520
In-situ neutron diffraction patterns were collected for a sample of as-cast U3Si2 during heating to 1600 °C. Anomalous changes were observed above 1000 °C, including the formation of a new diffraction peak not belonging to P4/mbm U3Si2, unequal cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c994836227c63ec7ceed8a66b9108dd5
https://doi.org/10.1016/j.jnucmat.2018.04.049
https://doi.org/10.1016/j.jnucmat.2018.04.049
Autor:
Denise Adorno Lopes, Kyle D. Johnson
Publikováno v:
Journal of Nuclear Materials. 503:75-80
Uranium mononitride (UN) has long been considered a potential high density, high performance fuel candidate for light water reactor (LWR) and fast reactor (FR) applications. However, deployability of this fuel has been limited by the notable resistan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5c4d63e2235ec84bfc0639a50ab73b3
https://doi.org/10.1016/j.jnucmat.2018.02.041
https://doi.org/10.1016/j.jnucmat.2018.02.041
Publikováno v:
Journal of Nuclear Materials. 556:153249
The oxidation behaviour of the composite UN-AlN, UN-Cr2N/CrN and UN-AlN-Cr2N/CrN pellets in air and anoxic steam under thermal transient conditions was investigated and compared with the pure UN pellet. The composite pellets were manufactured to cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bddcb06ef276ac4d3698eb9a36c96350
https://doi.org/10.1016/j.jnucmat.2021.153249
https://doi.org/10.1016/j.jnucmat.2021.153249
Publikováno v:
Journal of Nuclear Materials. 553:153047
In this study the composite UN-AlN, UN-Cr, UN-CrN and UN-AlN-CrN pellets were fabricated, and the advanced microstructure with different modes of interaction between the phases was obtained. The dopants for this study were selected based on the resul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ddbe13c45624e72b76eb9cde96a9e5f
https://doi.org/10.1016/j.jnucmat.2021.153047
https://doi.org/10.1016/j.jnucmat.2021.153047
Publikováno v:
Journal of Nuclear Materials. 496:234-241
U 3 Si 2 has been considered as an alternative fuel for Light Water Reactors (LWRs) within the Accident Tolerant Fuels (ATF) initiative, begun after the Fukushima-Daiichi Nuclear accidents. Its main advantages are high thermal conductivity and high h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d0257212a15911cc4f829dc2b5f0bac
https://doi.org/10.1016/j.jnucmat.2017.09.037
https://doi.org/10.1016/j.jnucmat.2017.09.037
Publikováno v:
Journal of Nuclear Science and Technology. 54:513-519
Uranium mononitride (UN) pellets of different densities were subjected to a superheated steam/argon mixture at atmospheric pressure to evaluate their resistance to hydrolysis. Complete degradation of pure UN pellets was obtained within 1 h in 0.50 ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f637de79b4acbc44328a35c878aa878
https://doi.org/10.1080/00223131.2017.1291372
https://doi.org/10.1080/00223131.2017.1291372
Publikováno v:
Journal of Nuclear Science and Technology. 54:405-413
In this work, a systematic study of the degradation of UN pellets (density range 96%-99.9% and grain size of 6-24 mu m) and UN-10%U3Si2 (wt%) composite in a steam environment is presented. Static s ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4c74d0b4fa8e94986b112286545f6b6
https://doi.org/10.1080/00223131.2016.1274689
https://doi.org/10.1080/00223131.2016.1274689
Publikováno v:
Journal of Nuclear Science and Technology. :1-7
In this study, the oxidation of various accident tolerant fuel candidates produced under different conditions have been evaluated and compared relative to the reference standard–UO2. The candidates ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c6633d3ecbfd653d7d305130530bd0c
https://doi.org/10.1080/00223131.2016.1262297
https://doi.org/10.1080/00223131.2016.1262297
Publikováno v:
Journal of Nuclear Materials. 477:18-23
In this study, U3Si2 was synthesized via the use of arc-melting and mixed with UN powders, which together were sintered using the SPS method. The study revealed a number of interesting conclusions ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c02ae3e7560f43e0eb385c33669644da
https://doi.org/10.1016/j.jnucmat.2016.05.004
https://doi.org/10.1016/j.jnucmat.2016.05.004