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Anisotropy in the t...
Anisotropy in the thermal expansion of uranium silicide measured by neutron diffraction
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- Obbard, E. G. (författare)
- UNSW Sydney, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia.;Australian Nucl Sci & Technol Org, New Illawarra Rd, Menai, NSW 2234, Australia.
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- Johnson, Kyle D. (författare)
- Studsvik Nucl AB, SE-61182 Nyköping, Sweden.
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- Burr, P. A. (författare)
- UNSW Sydney, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia.;Australian Nucl Sci & Technol Org, New Illawarra Rd, Menai, NSW 2234, Australia.
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- Lopes, Denise Adorno (författare)
- KTH,Kärnenergiteknik
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- Gregg, D. J. (författare)
- Australian Nucl Sci & Technol Org, New Illawarra Rd, Menai, NSW 2234, Australia.
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Liss, K. -D (författare)
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- Griffiths, G. (författare)
- Australian Nucl Sci & Technol Org, New Illawarra Rd, Menai, NSW 2234, Australia.
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- Scales, N. (författare)
- Australian Nucl Sci & Technol Org, New Illawarra Rd, Menai, NSW 2234, Australia.
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- Middleburgh, S. C. (författare)
- Westinghouse Elect Sweden, SE-72163 Västerås, Sweden.;Bangor Univ, Nucl Futures Inst, Dean St, Bangor LL57 1UT, Gwynedd, Wales.
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UNSW Sydney, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia;Australian Nucl Sci & Technol Org, New Illawarra Rd, Menai, NSW 2234, Australia. Studsvik Nucl AB, SE-61182 Nyköping, Sweden. (creator_code:org_t)
- Elsevier, 2018
- 2018
- Engelska.
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Ingår i: Journal of Nuclear Materials. - : Elsevier. - 0022-3115 .- 1873-4820. ; 508, s. 516-520
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In-situ neutron diffraction patterns were collected for a sample of as-cast U3Si2 during heating to 1600 degrees C. Anomalous changes were observed above 1000 degrees C, including the formation of a new diffraction peak not belonging to P4/mbm U3Si2, unequal changes in the peak intensities and onset of anisotropic lattice expansion. The large data-set enabled derivation of a function-fitted isotropic thermal expansion coefficient to high precision, in close agreement with previous dilatometry results but reducing linearly with temperature over the studied interval. Anisotropy in the instantaneous lattice thermal expansion corresponded to anomalies reported by White et al. (2015) at a similar temperature.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Accident tolerant fuel
- In-situ neutron diffraction
- Thermal expansion
- Uranium silicide
- Phase transformation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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