Uranium boride
Uranium boride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.358 Edit this at Wikidata
EC Number
  • 234-508-0
  • InChI=1S/2B.U
    Key: QPXOIGGWJBMJIH-UHFFFAOYSA-N
  • B#[U]#B
Properties
UB2
Molar mass 259.651 g/mol
Density 12.7 g/cm3
Melting point 2,430 °C (4,410 °F; 2,700 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Uranium boride (UB2), a compound of uranium and boron, is a very stable glassy boride material that is insoluble in water.

It is being explored as an ingredient in high entropy alloys, and as a method of immobilizing uranium-based radioactive waste, and rendering it safe for long-term storage. It has some applications in endocurietherapy, a method of radiation therapy wherein radioactive microspheres are implanted directly into the treatment site and allowed to remain for an extended period of time, may also use this class of material as it would not be attacked while in situ.

It is being considered as a nuclear fuel material as it has a high density and thermal conductivity[1]

References

  1. ^ Watkins, Jennifer K.; Wagner, Adrian R.; Gonzales, Adrian; Jaques, Brian J.; Sooby, Elizabeth S. (2022). "Challenges and opportunities to alloyed and composite fuel architectures to mitigate high uranium density fuel oxidation: Uranium diboride and uranium carbide". Journal of Nuclear Materials. 560: 153502. Bibcode:2022JNuM..56053502W. doi:10.1016/j.jnucmat.2021.153502. OSTI 1862689. S2CID 245646534.


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