Effect of Zr thin film on Zr foil as a FCCI barrier between lanthanide (La-Ce) and clad material

Kang Soo Lee, In Yea Kim, Wooyoung Lee, Young Soo Yoon

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Zirconium (Zr), a potential candidate for preventing Fuel-Cladding Chemical Interaction, shows stable interdiffusion behavior between cladding and fuel materials. However, a 25 μm-thick Zr foil allows local inter-diffusion, due to defects generated during manufacturing. In this study, we investigate the use of a Zr thin film deposited on Zr foil for preventing local inter-diffusion. The diffusion behavior of the Zr thin film on Zr foil was investigated using misch metal (Ce: 75% and La: 25%) as fuel fission product, in order to effectively simulate nuclear fuel. While without the Zr barrier substantial inter-diffusion occurred at the interface between the ferritic/martensitic HT9 cladding material and misch metal, the Zr thin film on Zr foil exhibited excellent resistance to interdiffusion. The enhancement of the barrier ability of the Zr thin film on Zr foil was attributed to a lower amount of defects induced by the Zr thin film layer.

Original languageEnglish
Pages (from-to)498-503
Number of pages6
JournalMetals and Materials International
Volume21
Issue number3
DOIs
Publication statusPublished - 2015 May 1

Fingerprint

Lanthanoid Series Elements
Rare earth elements
Zirconium
Metal foil
foils
Thin films
thin films
Interdiffusion (solids)
Defects
fission products
Fission products
nuclear fuels
defects
Nuclear fuels
Metals
metals
manufacturing

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

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title = "Effect of Zr thin film on Zr foil as a FCCI barrier between lanthanide (La-Ce) and clad material",
abstract = "Zirconium (Zr), a potential candidate for preventing Fuel-Cladding Chemical Interaction, shows stable interdiffusion behavior between cladding and fuel materials. However, a 25 μm-thick Zr foil allows local inter-diffusion, due to defects generated during manufacturing. In this study, we investigate the use of a Zr thin film deposited on Zr foil for preventing local inter-diffusion. The diffusion behavior of the Zr thin film on Zr foil was investigated using misch metal (Ce: 75{\%} and La: 25{\%}) as fuel fission product, in order to effectively simulate nuclear fuel. While without the Zr barrier substantial inter-diffusion occurred at the interface between the ferritic/martensitic HT9 cladding material and misch metal, the Zr thin film on Zr foil exhibited excellent resistance to interdiffusion. The enhancement of the barrier ability of the Zr thin film on Zr foil was attributed to a lower amount of defects induced by the Zr thin film layer.",
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Effect of Zr thin film on Zr foil as a FCCI barrier between lanthanide (La-Ce) and clad material. / Lee, Kang Soo; Kim, In Yea; Lee, Wooyoung; Yoon, Young Soo.

In: Metals and Materials International, Vol. 21, No. 3, 01.05.2015, p. 498-503.

Research output: Contribution to journalArticle

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AU - Kim, In Yea

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AU - Yoon, Young Soo

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AB - Zirconium (Zr), a potential candidate for preventing Fuel-Cladding Chemical Interaction, shows stable interdiffusion behavior between cladding and fuel materials. However, a 25 μm-thick Zr foil allows local inter-diffusion, due to defects generated during manufacturing. In this study, we investigate the use of a Zr thin film deposited on Zr foil for preventing local inter-diffusion. The diffusion behavior of the Zr thin film on Zr foil was investigated using misch metal (Ce: 75% and La: 25%) as fuel fission product, in order to effectively simulate nuclear fuel. While without the Zr barrier substantial inter-diffusion occurred at the interface between the ferritic/martensitic HT9 cladding material and misch metal, the Zr thin film on Zr foil exhibited excellent resistance to interdiffusion. The enhancement of the barrier ability of the Zr thin film on Zr foil was attributed to a lower amount of defects induced by the Zr thin film layer.

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