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Thermodynamic asses...
Thermodynamic assessment of the Fe–Ni–Te system
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- Arvhult, Carl (författare)
- KTH,Materialvetenskap
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- Guéneau, C. (författare)
- DEN-Service de Corrosion et du Comportement des Matériaux dans leur Environnement (SCCME), CEA, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
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- Gossé, S. (författare)
- DEN-Service de Corrosion et du Comportement des Matériaux dans leur Environnement (SCCME), CEA, Université Paris-Saclay, Gif-sur-Yvette, F-91191, France
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- Selleby, Malin, 1963- (författare)
- KTH,Materialvetenskap
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(creator_code:org_t)
- Elsevier, 2019
- 2019
- Engelska.
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Ingår i: Calphad. - : Elsevier. - 0364-5916 .- 1873-2984. ; 67
- 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
- For the purpose of modeling internal corrosion of the stainless steel fuel pins in fast nuclear reactors, the present work presents a thermodynamic description of the Fe–Ni–Te system modeled via the Calphad method. The liquid phase was modeled using the ionic 2-sublattice liquid model. Only binary parameters were optimized in the β2, δ and τ solid phases, to fit the isothermal section at 600 °C. The liquid did not require much adjustment from the extrapolation from the binary Fe–Te, Ni–Te and Fe–Ni systems. The paper presents a re-optimization of the Fe–Te liquid description in order to remove inverted liquid miscibility gaps at high temperatures. The resulting phase diagrams reproduce experimental isothermal sections well, and fits liquidus and solidus data very well. The description will be incorporated into the Thermodynamics of Advanced Fuels - International Database (TAF-ID). This will then be coupled with the Germinal system code to model the fission-product induced corrosion in nuclear fuel pins.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Calphad
- Fe–Ni–Te
- Nuclear reactor materials
- Phase diagrams
- Thermochemistry
- Thermodynamic modeling
- Fission products
- Internal corrosion
- Isotherms
- Nuclear fuels
- Nuclear reactors
- Steel corrosion
- International database
- Isothermal sections
- Liquid miscibility gap
- Reactor materials
- Thermodynamic assessment
- Thermodynamic description
- Thermodynamic model
- Liquids
- Teknisk materialvetenskap
- Materials Science and Engineering
- Kärnenergiteknik
- Nuclear Engineering
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