High pressure elasticity and thermal properties of depleted uranium

Jacobsen, M. K.; Velisavljevic, N.

doi:10.1063/1.4948300

Title: High pressure elasticity and thermal properties of depleted uranium

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Abstract

Studies of the phase diagram of uranium have revealed a wealth of high pressure and temperature phases. Under ambient conditions the crystal structure is well defined up to 100 gigapascals (GPa), but very little information on thermal conduction or elasticity is available over this same range. This work has applied ultrasonic interferometry to determine the elasticity, mechanical, and thermal properties of depleted uranium to 4.5 GPa. Results show general strengthening with applied load, including an overall increase in acoustic thermal conductivity. Further implications are discussed within. Lastly, this work presents the first high pressure studies of the elasticity and thermal properties of depleted uranium metal and the first real-world application of a previously developed containment system for making such measurements.

Authors:

; Velisavljevic, N.

Publication Date:: Thu Apr 28 00:00:00 EDT 2016

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1250196

Alternate Identifier(s):: OSTI ID: 1255265; OSTI ID: 1421096

Report Number(s):: LA-UR-15-29694
Journal ID: ISSN 0021-8979

Grant/Contract Number:: AC02-06CH11357; AC52-06NA25396; NA0001974; Seaborg Fellow Program; FG02-99ER45775

Resource Type:: Published Article

Journal Name:: Journal of Applied Physics

Additional Journal Information:: Journal Name: Journal of Applied Physics Journal Volume: 119 Journal Issue: 16; Journal ID: ISSN 0021-8979

Publisher:: American Institute of Physics

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Jacobsen, M. K., and Velisavljevic, N. High pressure elasticity and thermal properties of depleted uranium.  United States: N. p., 2016. 
Web.  doi:10.1063/1.4948300.

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                    Jacobsen, M. K., & Velisavljevic, N. High pressure elasticity and thermal properties of depleted uranium.  United States.  https://doi.org/10.1063/1.4948300

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                    Jacobsen, M. K., and Velisavljevic, N. Thu .  
"High pressure elasticity and thermal properties of depleted uranium".  United States.  https://doi.org/10.1063/1.4948300.

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@article{osti_1250196,

  title        = {High pressure elasticity and thermal properties of depleted uranium},

  author       = {Jacobsen, M. K. and Velisavljevic, N.},

  abstractNote = {Studies of the phase diagram of uranium have revealed a wealth of high pressure and temperature phases. Under ambient conditions the crystal structure is well defined up to 100 gigapascals (GPa), but very little information on thermal conduction or elasticity is available over this same range. This work has applied ultrasonic interferometry to determine the elasticity, mechanical, and thermal properties of depleted uranium to 4.5 GPa. Results show general strengthening with applied load, including an overall increase in acoustic thermal conductivity. Further implications are discussed within. Lastly, this work presents the first high pressure studies of the elasticity and thermal properties of depleted uranium metal and the first real-world application of a previously developed containment system for making such measurements.},

  doi          = {10.1063/1.4948300},

  journal      = {Journal of Applied Physics},

  number       = 16,

  volume       = 119,

  place        = {United States},

  year         = {Thu Apr 28 00:00:00 EDT 2016},

  month        = {Thu Apr 28 00:00:00 EDT 2016}

}

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