<div class="csl-bib-body">
<div class="csl-entry">Prikhna T. O. Пріхна, T., Eisterer, M., Büchner, B., Kluge, R., Sokolovsky, V., Moshchil, V., Bodenseher, A., Filzmoser, J., Lindackers, D., Ponomaryov C. C. Пономарьов, S. S., Karpets M. B. Ӄарпець, M. V., Werfel, F. N., Flögel–Delor, U., Vakaliuk, A., & Sverdun B. Б. Cвердун, V. B. (2023). Trapped Fields of Hot-Pressed MgB₂ for Applications in Liquid Hydrogen. <i>IEEE Transactions on Applied Superconductivity</i>, <i>33</i>(5), Article 6801105. https://doi.org/10.1109/TASC.2023.3248531</div>
</div>
-
dc.identifier.issn
1051-8223
-
dc.identifier.uri
http://hdl.handle.net/20.500.12708/191625
-
dc.description.abstract
The development of hydrogen energy and, in particular, high-performance submersible liquid hydrogen (LH) pumps requires superconducting bearings which can trap magnetic fields up to 1 T at 20 K. MgB2 is hence a promising candidate for this application. The superconducting properties and microstructure of differently prepared MgB2 were compared and the ability of different composite materials to trap magnetic fields was studied. Hollow cylinders of the same geometry were manufactured from hot pressed (under 30 MPa) blocks prepared from Mg:2B with Ti, TiC and Ti-O additives as well as from melt-textured YBCO ceramics. The high critical current densities and critical magnetic fields should ensure high trapped fields in all these materials. Indeed all materials demonstrated the required performance; however, flux jumps are a serious issue in MgB2 even in crack free cylinders and impeded higher trapped fields.
en
dc.language.iso
en
-
dc.publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
-
dc.relation.ispartof
IEEE Transactions on Applied Superconductivity
-
dc.subject
Boron alloys
en
dc.subject
composite materials
en
dc.subject
pumps
en
dc.subject
scanning electron microscopy
en
dc.subject
type II superconductors
en
dc.subject
yttrium compounds
en
dc.title
Trapped Fields of Hot-Pressed MgB₂ for Applications in Liquid Hydrogen
