advanced materials for fuel cladding in sodium fast reactors in ...

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3- Refractory metals – Vanadium alloys (6/7)Keypoint = compatibility with environment…• Diffusion of O in the V substrate below theoxide layer embrittlement• Need of canning during fabrication• Need of strong atmosphere control during hightemperature tests (creep…)[M. Fujiwara 2002]Need of external protection…Marion LE FLEM, Advanced Materials for Fuel Cladding in Sodium Fast Reactors 20
3- Refractory metals – Vanadium alloys (7/7)Need of external protection - example :• V-4Cr-4Ti with silicide coating at 650°C in He + 5ppmO 2∆m/S (mg.cm -2 )6543210V-4Cr-4Ti (GfE)V(Cr)Si 2V(Ti)Si 20 100 200 300 400temps (h) [Chaia 2012]• Very low weight gain in air and in He + 5 ppm O 2• No dissolution in impure liquid NaMarion LE FLEM, Advanced Materials for Fuel Cladding in Sodium Fast Reactors21
Page 1 and 2: ADVANCED MATERIALS FOR FUEL CLADDIN
Page 3 and 4: Introduction - SFR Fuel claddingRef
Page 5 and 6: 1- Advanced Austenitic Steels (1/3)
Page 7 and 8: 1- Advanced Austenitic Steels (3/3)
Page 9 and 10: 2- ODS Steels (2/6)Fabrication - Po
Page 11 and 12: 2- ODS Steels (4/6)Mechanical prope
Page 13 and 14: 2- ODS Steels (6/6)Stability under
Page 15 and 16: 3- Refractory metals (1/7)Introduct
Page 17 and 18: 3- Refractory metals - Vanadium all
Page 19: 3- Refractory metals - Vanadium all
Page 23 and 24: 3- Ceramic cladding ? (2/3)Mechanic
Page 25 and 26: 3- Ceramic cladding ? (4/4)Matrix c

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